eee te aw Ws Pits INO: pI ip) a ava ye Sarin Ma Aha Gene DRS oh ay, IBA IgV arte ay Peto a ean Pei ALE TOs Ai F Pee i ils tei ye a 0 ta ital ARAB EROM 1, A Uh ae tae t BN iy Dv NE, OR an ut ray ae NAA } Hala titer ll GAR aoe) a a : ROH Ries SY AT YH Set ay hs WA ie it He ah Nigh Beira Sogo. eed ay, vi eels Hy inh Cae eas AL Pa iie gy ne / er i t Mehty Bila ye Leela: Sa 21 el Be ay eb) du Nps a Ru ier vale 1 eh Vly ky rp py Bava) \ ns fhe Ni hes 4 Her) Vents ee cia ant Ye Mee Ur ase tec ver i iy “f})( 1 V6 ei ee “olf Bi ing te, i ae ba ie, rN 1% 7 AN Pe i ys i 4) Doi igh! east Bey) Say p vee i ERY ih i iy SILK CULTURIST?S MANUAL: | A POPULAR TREATISE ON THE PLANTING AND CULTIVATION OF MULBERRY TREES, THE REARING AND PROPAGATING OF SILK WORMS, AND THE PREPARATION OF THE RAW MATERIAL FOR EXPORTATION: ADDRESSED TO THE FARMERS AND PLANTERS OF THE UNITED STATES: BY JOHN D°HOMERGUE. **\ little worm—the source of countless riches, Vake care of him, and he ’Il take care of you.” PHILADELPHIA. PUBLISHED AND FOR SALE BY HOGAN & THOMPSON, NO. 39 NORTH FOURTH STREET. 1839 au Entered according to Act of Congress, in the year 1839, by JOHN D’HOMERGUE, in the Clerk’s office of the District Court of the Eastern District of Pennsylvania. J. THOMPSON, PRINTER. DEDICATION. TO PETER S. DU PONCEAU, LLD. PRESIDENT OF THE AMERICAN PHILOSOPHICAL SOCIETY HELD AT PHILADELPHIA, FOR PROMOTING USEFUL KNOWLEDGE, &C. &C. THIS WORK, IS RESPECTFULLY AND GRATEFULLY INSCRIBED BY THE AUTHOR. Neri TABLE OF CONTENTS. The Author’s Address to the Farmers and Planters of the United States, - - - - page ix. RE OO Di 3 PART | de: ¥ Culture of the Mulberry Tree. Introduction, - CHAPTER |. Of the different kinds of Mulberry trees, — - - 7 White Mulberry, (Aforus Alba, L.) - - Sits 38 Black Mulberry, (Morus Nigra,) - - - 10 Morus Broussonetica, (Mulberry of Constantinople,) 11 Morus Rubra, (Red Mulberry,) — - - - - ll Morus Multicauls, - - - - - 12 Dandeolo or Moretti Mulberry, - - - - 20 CHAPTER 2. Peculiar substance in the Mulberry leaf, and the anal- ogy ofits constituent elements with silk, - 22 CHAPTER 3. Of the Cultivation of Mulberry trees, — - - - 26 This chapter embraces the following heads :— ist. The manner of gathering and preserving the seed, DO ee ee oe 2d. The soil proper for the raising and plantation — of Mulberry trees, - - - - - 30 3d. ‘The various modes of propagating the Mulber- ry trees, - - - - - 31, 35, 38 4th. ‘The planting out of the young Mulberry trees, 42 Sth. The grafting and budding Mulberry trees, 45 A* Vi. TABLE OF CONTENTS. 6th. The culture, ae and management of the trees, ka = - - page 7th. The geese of the Malbeney trees, —s - PART II. Of the Silk Worms. CHAPTER IL. Of the rearing of the Silk Worms, CHAPTER 2. Method of Hatching the Silk Worms, - - - CHAPTER 3. Of the rearing of Silk Worms during their first ages, CHAPTER 4. Rearing of thé ols Worms in the fourth age, = - CHAPTER 5. Of the Fifth age—First period, - - - - CHAPTER 6. Second period of the Fifth ‘eee soe: of the cocoons, - - é e CHAPTER 7. Of the gathering of the cocoons, and their manage- ment for sale or reproduction, - : 5 CHAPTER 8. Of the changes of the Silk Worm, the coupling of the moth, and the gathering and preservation of the eggs, 5 s si a Fi ; 5 CHAPTER 9. Remarks on different varieties of Silk Worms, - = CHAPTER 10. Of the Diseases of Silk Worms, - : = CHAPTER IT. Of Cocooneries, - - : = 4 CHAPTER 12. Extract from the work of Count Dandolo, on the sub- 50 53 58 61 66 79 86 103 113 ject of the preceding chapter, - - - - 159 TABLE OF CONTENTS. CHAPTER 13. ceau, - - - Be ae - 5 : Vil. Miscellaneous Observations, - - - page 177 PART III. Of the Preparation of Raw Silk for Exportation. CHAPTER 1. Preliminary Observations, = - - . - - 193 CHAPTER 2. Of the difficulty and importance of the art of Reeling, 214 CHAPTER 3. ) Of the Filature system and its introduction into this country, - - - - : - - 242 CHAPTER 4. Of Filatures, their exterior form and internal arrange- ments, and other matters relating to them, - 271 CHAPTER 9. Of the Preparations for Reeling, - ee - - 279 : CHAPTER 6. Of the different qualities of raw silk, - - 286 CHAPTER 7. Of the Reel and other apparatus, - - - - 294 _ Explanation of the plate, figure 1, - - - 302 Do do do. 2, - - - 307 CHAPTER 8. Of reeling and preparing the raw material for exporta- tion, - - - - - - se ol@ CHAPTER 9. Of the progress of raw silk until it comes to the hands of the manufacturer, - - - - - 325 CHAPTER 10. Piedmontese Ordinance, concerning Filatures and silk reels, of the 8th of April, 1724, - - - $329 APPENDIX. A. Mr. Boucher’s Correspondence with Mr. Du Pon- 339 TABLE OF CONTENTS. vill. B. History of the Silk Bill, - - - page 350 C. Additional Documents concerning the Silk Bill, - 365 D. Proceedings in the Legislature of Pennsylvania, on the presentation of a flag made of American Silk, bearing the colors of the United States, 401 THE AUTHOR’S ADDRESS TO THE FARMERS AND PLANTERS OF THE UNITED STATES. GENTLEMEN— Permit a stranger who has resided ten years in your country, who admires its liberal insti- tutions and wholesome laws, and above all, the spirit of activity and enterprise by which your people is animated, which in the short period of fifty years, with the aid of intelligence and knowledge widely diffused, has raised these United States, from obscure colonies, to an em- inent and highly dignified station among the nations of the earth, to address to you these fruits of his labor and experience in a branch of industry intimately connected with your agricultural pursuits; an industry peculiarly suited to your soil and to your climate, and which nature herself seems to point out to you as the source from which you are to derive immense riches. | Various attempts have been made from the THE AUTHOR’S ADDRESS. Xe first settlement of these colonies to introduce among you the culture of silk, all of which, for reasons which need not be stated here, have successively failed, and no trace of them re- mains, except a domestic manufacture of infe- rior sewing silk, which, during a period of near eighty years, has Janguished in one of your states, without producing the least benefit to the country at large, or even to the district of country in which it has been so long pursued, which has remained poor, in the midst of a rich produce, while at the foot of the Alps, that pro- duce has been to the little Duchy of Piedmont, hardly equal in extent to some of your counties, and hardly visible on the map of Europe, the ne- ver failing source of immense wealth, so that the sovereign who rules over those mountains, by the title of king of Sardinia, from an insignifi- cant island, which he also possesses, is number- ed among the principal potentates of Europe. Within the last ten or twelve years, this country has been awakened to this her most important interest. The national and state governments have done all in their power to give it their support. But their measures have been either vacillating, or directed into wrong xis THE AUTHOR’S ADDRESS. ‘channels. ‘They have hitherto had no success, and sometimes have produced effects different from those that were intended. At last the people have taken the matter into their own hands. Conventions have been called to discuss the best course to be pursued, and in expecta- tion of something more effectual being done, mulberry trees have been imported and are now importing in large quantities, and command enormous prices; manuals and other works, for the instruction of the people in the cultiva- tion of mulberry trees and the rearing of silk worms, are everywhere issuing from the press, so that, yielding to the general impulse, I ven- ture to contribute my mite towards this impor- tant object. The two first parts of this Treatise are ex- clusively devoted to the subjects above men- tioned, to wit: the cultivation of mulberry trees and the rearing of silk worms. On these topics, you cannot expect much that is new. They have been exhausted by the European writers, and by your own; so that the multi- plicity of books is become an inconvenience, from the difficulty of making a choice from among them. Some of them are filled with mi- THE AUTHOR’S ADDRESS. Xe first settlement of these colonies to introduce: among you the culture of silk, all of which,, for reasons which need not be stated here, have: successively failed, and no trace of them re-- mains, except a domestic manufacture of infe- rior sewing silk, which, during a period of i near eighty years, has languished in one of your’ states, without producing the least benefit to: the country at large, or even to the district of’ country in which it has been so long pursued, , which has remained poor, in the midst of a-rich produce, while at the foot of the Alps, that pro- _ duce has been to the little Duchy of Piedmont, hardly equal in extent to some of your counties, and hardly visible on the map of Europe, the ne- | ver failing source of immense wealth, so that the — sovereign who rules over those mountains, by the title of king of Sardinia, from an insignifi- cant island, which he also possesses, is number- ed among the principal potentates of Europe. Within the last ten or twelve years, this country has been awakened to this her most important interest. The national and state governments have done all in their power to give it theirsupport. But their measures have been either vacillating, or directed into wrong xl. THE AUTHOR’S ADDRESS. channels. ‘They have hitherto had no success, and sometimes have produced effects different from those that were intended. At last the people have taken the matter into their own hands. Conventions have been called to discuss the best course to be pursued, and in expecta- tion of something more effectual being done, mulberry trees have been imported and are now importing in large quantities, and command enormous prices; manuals and other works, for the instruction of the people in the cultiva- tion of mulberry trees and the rearing of silk worms, are everywhere issuing from the press, so that, yielding to the general impulse, | ven- ture to contribute my mite towards this impor- tant object. The two first parts of this Treatise are ex- clusively devoted to the subjects above men- tioned, to wit: the cultivation of mulberry trees and the rearing of silk worms. On these topics, you cannot expect much that is new. They have been exhausted by the European writers, and by your own; so that the multi- plicity of books is become an inconvenience, from the difficulty of making a choice from among them. Some of them are filled with mi- Xl. THE AUTHOR’S ADDRESS. nute details, of no real use in practice, others | are too summary, and not a few are obscure and | not easy to be understood. It is difficult for a writer to avoid every fault and to combine every — advantage; I do not pretend to have done that. I have tried to say all that is necessary to be known and nothing more. I have aimed at. a good method and arrangement of my subject, and above all, I have endeavored to express — myself clearly, and to be understood by all. | This is all the merit which a work of this kind can lay claim to, and I have done all in my | power to entitle myself to it. Ihave made no display of useless learning 5 I have not wan- dered into the fields of history; my simple precepts are not accompanied by philosophical reflections; I have always kept in mind that I was speaking to practical farmers, and not to the members of an Historical or Philosophical Society. You will judge whether the end which I proposed to myself has been sufficiently attained. The third part of this book relates to the art of reeling the silk from the cocoons, and pre- paring the rich material for exportation; for I must confess that I believe that this country is reyar cc wae 73 7 oo Bos 4 - = Se eeeses—_a=mme*—_ THE AUTHOR’S ADDRESS. ‘xiii: not yet ripe for the manufacture of silk. You have tried it in Connecticut in the humble man- ufacture of sewing silk. During eighty years you have made no progress in it, and your silk is yet unsaleable in our great markets. Hight years ago Congress laid a duty of 40 per cent. on foreign sewing silks, whichif your domestic article had been merchantable, would have amounted to a prohibition; the consequence has been that forezgn raw silk has been imported in large quantities from China and Bengal, and only fisted into sewing silk in your country. You purchase it every day as American silk ; but you are deceived, it isnot American. Con- gress, by passing this law, meant to encourage - your agriculture, considering the making of sewing silk as connected with it, (which in fact itis not) and they have only encouraged the silk culturists of other countries, while your domestic industry has remained stationary ; and has made no progress whatever. You will find all that fully explained in the third part of this work. Inconsequence of this duty of 40 percent. on foreign sewing silk, interests have arisen in different parts of this country which may require to be attended to. It might perhaps be the cause ® | xiv. THE AUTHOR’S ADDRESS. of much injury to those who have embarked in twisting establishments under it, if it were taken off too suddenly. This however is a matter which I have no doubt, will be pro- perly considered. The reason of this, gentlemen, (for I must speak eandidly to you) is that you are not sufli- ciently skilled in the art of winding off the silk from the cocoons, and converting it inte what is called raw silk. You have been told that it is a very easy thing, that every woman may do it with little or no instruction; some have said that a proper machine, (say the Piedmont reel) is all that is wanted, as if the machine could work without hands; but there are others, even men in high authority, who have gone farther and have told you that American ingenuity has improved on'the Piedmont reel, and that a ma- chine has been invented so perfect and so simple, that even a child by means of it can without the least difficulty, reel silk admirably well. This, gentlemen, is an illusion greatly to be lamented. I shall be the last man to deny, or in theleast to qnestion the ingenuity of the coun- trymen of Franklin and of Fulton; but I have undertaken to prove, and I hope I have clearly ‘THE AUTHOR’S ADDRESS. — Xv. proved, that what you are said to have per- formed, is beyond the power of man. However extraordinary it may appear to you, it is not the less true, that the art of reeling silk from the cocoons is nice and difficult, that itfrequires instruction as well as experience, and that it is only to be learned by seeing it well performed. It is not so with the rearing of silk worms; that is a sczence, which may be learned from books, but reeling is an art, which no books can teach. Franklin might become a natural philosopher, and Bowditch an astrono- mer, with only the aid af heoks and of native genius, but no bocks ever made a cabinet maker, a watch maker, or a jeweller, nor a_skil- ful performer on a musical instrument. Arts are only to be taught by ocular and manual demonstration, and by practice for some time under the eye of a master. I have tried in the third part of this work to describe as well as I could, the whole process of the art of reeling; but, at the same time, I have acknowledged that all I have said is not sufficient to make you per- fect in it, while, with the aid only of my two first books, you may learn to cultivate mulberry trees and to rear silk worms, in the most econo- XV1.- THE AUTHOR’S ADDRESS. mical and most profitable, and consequently, in the most perfect manner. I endeavor to prove in the third part of this book, and I hope I shall be able to convince you, that there is but one way of making the silk culture profitable to this country, and that is by adopting the European system of large — filatures, which are establishments in which — raw silk is prepared for exportation or manufac- ture, and that the making of sewing silk is no part of this business, but belongs to a separate profession, which is that of certain mechanics, called s2lk thromsters. Their business is to twist raw silk, as it comes from the reel into sening silk, or into other forms, to be employed | in different manufactures. | In those large filatures, young females are taught the art of reeling; some of them remain attached to the establishment, while others, after being sufficiently instructed, return to their homes, where they reel silk for them- selves, and those are called domestic filatures. By means of these establishments, the art of reeling silk in the perfection required for the European manufactures, is disseminated throughout the country, and raw silk, thus THE AUTHOR’S ADDRESS. XVil. prepared, becomes a valuable article for sale at home, or exportation abroad. But this is not all, these establishments afford regular and constant markets for cocoons, and encourage the farmers to produce them in great quantities, by attending to the rearing of silk worms; otherwise they will neglect this occupation, or their cocoons will lie useless upon their hands. It may be said, and it has a said, that there is not yet a sufliciency of cocoons in this country, to begin with large filatures; but un- less we so begin, there never will be, because there will not be sufficient encouragement to produce them. On the contrary, as soon as a filature is established, and a regular market opened, cocoons will appear in abundance, be- cause it will be the interest of the farmers to produce them. When Georgia was first settled, with only a handful of inhabitants, in the midst of a wilderness, the british began by establish- ing a filature at the town (then village,) of Sa- vannah; cocoons immediately appeared as it were by enchantment, and raw silk was-sent to Eng- land in large quantities, considering the then situation of that infant colony, and so continued to Bx XVill. THE AUTHOR’S ADDRESS. be sent until the revolution, which put an end to that promising establishment. In the year 1769, | (a few years before the Revolution,) your illus- trious Franklin, who was then in England, but | constantly watching over the interests of his | beloved country, suggested to the American Philosophical Society, then lately instituted, — _and of which, though residing abroad, he had | been elected the first president, the patriotic | idea of introducing the culture of silk into | Pennsylvania, and recommended beginning by | establishing a filature. ‘That learned body took | up the subject warmly, application was made to the Legislature, but, as 1t appears, without suc- cess; a private subscription was then recurred to, which had the desired effect. Now mind, gentlemen, what the Society did on that occasion. They did not employ writers to compile manuals on the cultivation of mul- berry trees, and the rearing of silk worms, much less on the various modes of manufacturing silk; they did not attempt to invent new machinery, nor offer premiums for emproved reels; they did not give ear tothe schemes of the quacks and pre- tenders of that day, but they determined at once upon the rational plan of a fi/ature in this city. THE AUTHOR’S ADDRESS. xix. They knew that it would produce mulberry trees, and silk worms, and cocoons, and manuals in sufficient abundance. The filature was established; the building was in Seventh street between Market and Arch streets, which was then out of the city: no trace of it now remains. I have been told that a skilful Frenchman was placed at the head of it; but the record from which these facts are taken, only says, that “the Society procured the ne- cessary machine (no doubt the Piedmont reel,) to wind the cocoons.”’ It adds that the silk reel- ed at that filature was “not inferior in goodness to the best from France or Italy.”’ This sounds like exaggeration, even if Dandolo himself had been placed at the head of the filature. Be that as it may, the fact to which I wish to draw your attention is, that from the 25th of June to the 15th of August, 1771, (less than two | months,) 2,300 pounds of cocoons were brought to the filature to be reeled, or were bought by the managers. * Two thousand three hundred pounds of co- coons! where did these come from? Why, gentlemen, from Pennsylvania, New Jersey, and Delaware, not an ounce from any other place. * Hazard’s Register of Pennsylvania, vol. i., p. 64. XX. THE AUTHOR’S ADDRESS. This is almost miraculous; but it is not the less true, and shows what filatures can produce, and how superior this system is to any other that can be devised. The revolution also put an end to this noble establishment. : -I shall only add a recent example to complete this proof. When in 1830 and 1831, an experi- mental filature under my direction, was estab- lished at Philadelphia, cocoons were brought to us in abundance, from all parts of the Union, and they continued to come for a long time after- wards, (for the market had acquired a reputa- tion) but then they could find no purchasers. You see, gentlemen, that all that is required to insure the production of cocoons, is a good market, and that no such market can be estab- lished but by means of a filature. I shall now proceed to speak to you of the last attempt which has been made to introduce the filature system into this country; but which has unfortunately failed. I shall be obliged to dwell at some Iength unon this subject. : In the year 1829, I published, in conjunc- tion with Mr. Du Ponceau, a series of Essays, in which these principles were for the first ' ) | | ; THE AUTHOR’S ADDRESS. XXi. time presented to the consideration of the Ame- rican public. I had, then, just arrived from Marseilles, in France, where I made my resi- dence, having abandoned the silk business, to which I had been brought up, and taken to other pursuits. I was induced to come to this country by the agent of a society established in this city for promoting the culture and manufacture of silk. I had no idea of these promoting societies. From the brilliant pros- pects held out to me by their agent, I saw the mines of Peru open before me; he showed me ® paper written im an unknown tongue, of which I could only make out the words ‘“ Pre- sident,” ‘Vice President,’ “ Secretary,”’ ‘¢ Treasurer 3” the word TREASURER struck me particularly. I expected no less than to be placed at the head of a large filature, to which, perhaps, a throwing establishment might be at- tached. On my arrival, instead of a company of capitalists, I found an association of about thirty excellent patriots, intent on promoting the culture, and even the manufacture of silk, but whose annual income did not exceed two or three hundred dollars. I was, therefore, completely disappointed. XXil. : THE AUTHOR’S ADDRESS. In this situation, it was my good fortune to — become acquainted with John Vaughan, Esq., _ the stranger's friend, and one of the most ac- | tive and efficient members of the American — Philosophical Society. He introduced me to | the President of that learned institution. I had found great difficulty in making my- self understood of my patriotic friends, (per- haps, because I did not speak their language,) | I found none with that gentleman; he had ne- ver turned his attention before to the business of silk; but the explanations that I gave him snon made him familiar with it, at least, suffiet- ently to make him understand the difficulty and the importance of the art of reeling silk from the cocoons. He became convinced that the filature system was the only means by which the culture of silk could be made a source of profit to this country; he proposed to me to write a series of Essays to be published in the newspapers, in which the advantages of this system should be clearly explained to the American nation, and offered to give me his assistance. | The Essays were written, not without diffi- culty. Some errors crept in them, and it is THE AUTHOR’S ADDRESS. XXili. astonishing there were not more, when it is considered that I did not know one word of the language, and that my kind assistant had not yet become sufliciently familiar with the de- tails of this intricate subject. They were writ- ten in great haste, and successively appeared in the National Gazette, from which they were copied into almost all the newspapers of the union. This great popularity induced us to reprint them in a pamphlet, which went off ra- pidly. It attracted the attention of Congress, who referred it to their Committee on Agricul- ture, with power to enter fully upon the sub- ject, and report on the best course to be pur- sued. The committee immediately perceived the importance, as well as the difficulty of the art of reeling, and how necessary it was that it should be brought to perfection in this coun- try. They unanimously determined to estab- lish a normal filature for the instruction of the people, and to place me at the head of it. By their Chairman, who was then the venerable Ambrose Spencer, of New York, they wrote to Mr. Du Ponceau, and desired him to ask of me on what terms I would accept that employment. They proposed a plan which Mr. Du Ponceau XXIV. THE AUTHOR’S ADDRESS. thought could not be carried into execution with- | out too much expense, and which was besides lia~ ble to many difficulties. He suggested another on a more moderate scale, to which I agreed, on the terms that he thought proper to dictate, and he was not disposed to throw away the mo-. ney of the United States. This plan was adopted | by the committee, and a bill, embracing all its. details, was reported to Congress. It remained pending there during three sessions, and on the | 22d of May, 1832, was finally rejected. | I have thought proper, gentlemen, to insert | in the appendix to this work, a history of this bill, which has become generally known un- der the name of the sz/k dill, accompanied | with authentic documents in confirmation of it. Several reasons have induced me to do} this. In the first place, I believe that the | silk biil will be considered as an important part of the history of silk in this country, and therefore, it seems necessary that it should be known with all the circumstances that attend- ed it. But there is another reason which is personal to me, and which, in justice to myself, makes it necessary that it should be known in | all its details. It has been reported in the | THE AUTHOR’S ADDRESS. XKVE newspapers and elsewhere, that I had applied to Congress for employment, and it has even been said in the debates upon the bill, that its only object was to set me up in my line of busi- ness. 1 owe to myself, not only to contradict these assertions, but to prove their falsity, in the clearest manner. I have a reputation to pre- serve as well as others, and I hope the time will come when it will be acknowledged that my fee- ble efforts to promote the true interest of this country, as far as they are connected with the silk culture, have not been entirely useless. It will appear from the documents that I publish, that I never made any application to Congress for aid or assistance of any kind, and that I only accepted the propositions that were made to me without any solicitation on my part. I must own that the ill success of this bill as- tonished me greatly. I had every reason to believe that it would pass into a law, otherwise I would not have sacrificed three years of my life in the hope of its success. It was in fact offered to me. The unanimous report of the Committee on Agriculture and the favor with which it appeared to be received by Congress, completely deceived me. Other business had c XXVi. THE AUTHOR’S ADDRESS. prevented its being acted upon during the two first sessions, but I had reason to believe that it was intended that it should pass. I would, how- ever, have left this country, had it not been for the efforts that were made to induce me to remain; as you will see in the appendix, p. 362. - At the session of 1831 and 1832, a new Com- mittee on Agriculture was appointed, of which the honorable Erastus Root of New York, was the chairman; that committee, I was informed, was opposed to the bill. Mr. Du Ponceau and I went to Washington, and appeared before them. The chairman, Mr. Root, and most of the members were decidedly hostile. We were examined, cross examined, and re-examined be- fore that committee, and the result was that at least a majority of them changed their opinion entirely. The chairman, from an enemy, be- came a zealous friend to the bill, and support- ed it with eloquence in the debates upon it in Congress. The opinion of that body did not | appear at that time to be so generally in favor of the measure as in the two preceding years. Some symptoms of hostility appeared, but still we expected that the friends to the bill would prevail. It had many powerful friends in and out of the House. THE AUTHOR’S ADDRESS. XXVii. "The late President, General Jackson, was in” favor of it. “I hope,’’ said he to Mr. Du Pon- ceau, “‘that you wiil succeed.”” His name was made use of in Congress against the bill, on the last day of the discussion; but I am convinced that it was entirely without the knowledge or participation of the venerable chief. 7 The present Vice President, Richard M. Johnson, was in favor of it, as may be seen by the paper in the appendix B, p. 362, to which his name is subscribed, with many others. The then Secretary of State, Mr. Livingston, was in favor of it, and so was the honorable Andrew Stevenson, the Speaker of the House, although his situation obliged him to use more circumspection than he would otherwise have done. Many others whom I might name were or expressed themselves of the same opinion. I[ do not speak of the eminent men who were amongst the respectable minority that voted for the bill, such as the venerable ex-President John Quincy Adams, Governor Everett of Mas- sachusetts, Governor White of Louisiana, and other distinguished characters. In short, the bill had a host of friends at Washington, so that XXVili. THE AUTHOR’S ADDRESS. I was truly astonished when I saw it rejected by a small majority the very day after its having reported to the House, by themselves sitting as a Committee of the Whcle. To the last mo- ment I thought that the result would be other- wise. Some of my too zealous friends have thought that Congress had done me wrong by coquetting with me during three sessions and at last suddenly letting me go. I am too well acquainted with the course of human affairs, to join in that opinion. The fact is, that Mr. Du Ponceau pressed Congress for a final deci- sion at a time when the highest degree of agi- tation prevailed in it. There was the tariff, nullification, and the Bank of the United States, more than suflicient to distract the mind of ma- ny a wise politician. It is no wonder there- fore, that in the midst of such a storm, my little bark was shipwrecked. I have no com- plaint to make of Congress, I ought to have known, that great political bodies are not always of the same mind; in future, I shall take care to follow the advice of the inspired writer: * Put not your trust in Princes!” Some persons have thought that by endeavor- ing to introduce the filature system into this THE AUTHOR’S ADDRESS. xxix. country, I was acting to the prejudice of France, which you know to be the greatest silk manufac- turing country in the world. The late French Ambassador, Mr. Serurier, who resided at Washington while the silk bill was pending, was of that opinion, and expressed it publicly and withoutreserve. lam,gentlemen,a French- man, and nothing shail ever tempt me to be- tray the interest of my native Country. But I am of a different opinion, from that Minister. I was encouraged by the silk manufacturers of France, who are the most interested in the ques- tion. France wants raw silk,and I thought, and still think, that she may as well purchase it from the United States, as from Italy and other coun- tries for her manufactures; as the time is far distant when America will rival her admirable tissues, which no other nation has yet succeed- ed to imitate. With the utmost respect for Mr. Serurier’s opinion, I think he was, in this case, under a wrong impression, in which I cannot participate. But whether he was right or wrong, I have reason to be astonished that his opposition, which was well known at Washington, in and out of Congress, did not ensure the passage of _ the silk bill. for it showed that he well un- — c* XXX. - THE AUTHOR’S ADDRESS. derstood that the plan I proposed, if adopted by the nation, could not fail to succeed. Iam, therefore, right in ascribing its failure to the agitated state of the public mind at that time. A bill, the mere proposal of which, excited the jealousy of foreign nations, would in other times, have passed unanimously. But fate had decided it otherwise. | After the lapse of six years, I have been much gratified to find that when the silk bill, as I thought, was almost forgotten, a third com- mittee on agriculture, at the head of which is the honorable J. F. Randolph, of New Jersey, expressed their approbation of its principles, as suited to the time when it was proposed, though it was at present useless, for a reason which you will see explained in the following extracts from their report of the 20th of April, 1838. They express themselves in these words: ‘‘Thus perished the first zmportant mea- sure proposed by the nation to promote the production of silk in this country ; a measure which the committee believe, with the lights then in existence, was wzse, prudent, and im- portant, but which the subsequent ingenuity and experience of our countrymen now render THE AUTHOR’S ADDRESS. eek unnecessary; believing, as they do, that the recent improvements in reeling will do more in a few weeks than the establishment of many normal schools upon the old plan would do in many years.’’—(Report, p. 6.) In another part of the same report it is said, that, “the dull, tedious method of reeling by hand, which required a regular apprenticeship to learn, and years to acquire facility in the use of, has given way to the new patent reel, by which a person (even a child) may learn in a few hours to reel, with great ease and expe- dition, a much more even thread than by the old process.’’—(p. 5.) Then, gentlemen, the whole of this great question is reduced to a single point, which 1s a matter of fact, which any mechanician, with the light that this work throws upon the sub- ject, may in a moment decide. If your coun- try is really possessed of that wonderful ma- chine, that Aladdin’s lamp so loudly proclaim- ed, then all I have written must go for nothing, and I shall rejoice with you at the prospect of immense wealth that it opens to view ; if on the contrary it should be found, as I have attempt- ‘ed to demonstrate, that no machinery whatever XXX. THE AUTHOR’S ADDRESS. can produce the effects that are pretended ; then the system which I recommend, that is the filature system, which was the basis of the silk bill, must be now as mise, as prudent and as zmportant as when it was first proposed, and you have in its favour not only the opinion of the two committees of Congress on agriculture of 1830 and 1832, but also that of the commit- tee of 1838, which, (saving the wonderful ma- chine, ) agrees entirely with the former ones. Since this last report was made, I observe that the public opinion, on the subject of silk, has undergone a great change, and that it is now well understood that it is not a safe method to ‘improve first and learn afterwards.”’ Con- ventions of the friends of the silk culture have already been held in different States. At those which were held at Baltimore, Philadelphia, and Harrisburg, I find that the Piedmontese reel has now obtained the general favor, and that zmproved reels are no longer talked of. I have read with great pleasure in the Farmers’ Register, an excellent periodical, printed at. Petersburg in Virginia, an eloquent speech, de- livered by a gentleman who distinguished him- self by his opposition to the filature system, and THE AUTHOR’S ADDRESS. XXXill. who was himself the inventor of an zmproved reel,* in which he passesa high and well me- rited eulogium upon that of Piedmont, which he says is superior to all others, and the general use of which he recommends to his fellow citizens. ‘‘ All ve want,’’ says he, ‘‘to secure the pre- eedence over the very factories of Italy herself, is the uniformity and excellence of reeling. By it we will kill every silk worm in Europe. The Italians themselves, to say nothing of France and England, will give us twenty or thirty per cent. more for our raw silk than they will for any produced in Europe.’’+ This seems rather exaggerated, besides that Italy exports and does not import raw silk, but it shows the opinion of the orator very different from what it was ten years ago, when he so gallantly attacked in a learned series of news- paper publications, the essays which I had then published, and in which I tried to inculcate precisely the same principles. He then pro- ceeds to eulogise the Piedmont reel in warm energetic language, and in much stronger terms than any I have used in the present work. * Gideon B. Smith, Esq, of Baltimore. + Farmers’ Register, vol. 7, No. 2, February, 1839, p. 86. XXXIV. THE AUTHOR’S ADDRESS. The learned gentleman, however, does not appear to have abandoned with his improved reel all his former prejudices; for he seems to think that the Piedmont reel works alone, in- dependently of the skill of the reeler, and that the uniformity of the machine will, of course, produce uniformity of silk; in. short, that it will produce of itself the excellent raw silk which he agrees with me in saying, that it is the only thing you want. I have no doubt that after reading this book, and particularly the Piedmontese Ordinance, he will sacrifice this last mistaken opinion, as he has generously done so many others. The system of exportation, also, is gaining great favor; it has been recommended in the conventions of which I have just spoken; with what success I know nots; but I have no doubt that its advantages will be ultimately apprecia- ted. . I understand that other conventions, on the subject of the silk culture, are tobe held. One is announced to take place at Hartford in Con- necticut, some time in the course of next month. J] am very glad to see that the intelligent silk culturists of that state are to take that subject THE AUTHOR’S ADDRESS. XXXV. into their serious consideration. Their coun- try abounds in mulberry trees, and they pro- duce annually an immense quantity of cocoons; it isin that neighborhood that it is particularly desirable to see a filature established. If their funds are not sufficient, they have at their door the great State of New York, so distinguished for its wealth and enterprise. But wherever the thing may be begun, I venture to predict that the first filature that will be established in the United States will, by quickening and en- couraging the silk culture throughout the coun- try, be able to supply itself with cocoons in sufficient quantity for its purpose, and in the end will prove to you an abundant source of riches, and lead you to that high degree of prosperity to which you are destined. Although I have kept silence during the last eight years, I have not been inattentive to the progress of the silk culture in this country. I have remained faithful to the filature system, which I first recommended to you in the year 1829. The silk bill was only a development of that system, and a means to carry it into exe-— cution. I did notask for that legislative favors it was offered to me, and I am thankful for it, XXXVl. TILE AUTHOR’S ADDRESS. though it ultimately failed. The renewed at- tention which has been lately paid to the sub- ject of silk, and the great zeal which it has pro- duced for the promotion of that object, has in- duced me, with the aid of the same kind friend who in 1829 assisted me in the composition of the essays, again to appear before you, and to communicate to you the knowledge that I pos- sess of many important facts which I have ac- quired from practice and experience, and which you had not before the opportunity of knowing, because silk is yet, as it were, an exotic pro- duction in your country. I ask nothing of you but your good will, and if I have contributed in some degree to the further advancement of your hitherto unexampled prosperity, I shall have obtained the highest reward which I could ever have expected for these feeble efforts. Accept, gentlemen, the assurance of my pro- found respect, J. DHOMERGUE. Philadelphia, April 20th, 1839. THE SILK CULTURIST’S MANUAL. eat) RaW Ry he Cit Ne oly ASPEN VE ha): Ha a Aa TRH Hint a tg ee i A OST 1 ane! j f MUA NOME i BIA LL AMIN ch ‘s Nt ; Daye } 0 rs | tent gra | Bay) H iy re 4 is INTRODUCTION. To MAKE known the different species of the Mu perry tree, and point out those which are the most proper for the food of the SiLk Worm ; to exhibit, circumstantially, the best manner of raising these worms, of selecting the Cocoons, and of winding off the SiLk, especially at the time when there is a fair prospect of introdu- cing the culture of this valuable article into the United States, are the principal motives of my engaging again on this subject. To write upon any thing which is the imme- diate object of practice, is by no means so use- less as the bulk of practitioners imagine. Ag- riculture and all parts of husbandry have long been arts of common practice, and yet will be subjects proper to be treated of, so long as they are capable of improvement; and even though they were not capable of being further im- 4. INTRODUCTION. proved, yet, it would be necessary to make public what was already known, that persons who have not the opportunity of being instruct- ed, might be encouraged to begin their journey by having some directions of the road. In France and Italy, though the culture of silk has long been a practical art, yet, books are still written upon that subject, which have, without doubt, this good consequence, that they engage many in that business who would otherwise never have thought of it, because they had no rule to set out by. The several publications which have been printed on this subject, have not explained even the present practice in such a manner as to extricate persons from the difficulties they would meet in their first trials, much less have they attempted to lay any foundation for future improvements; they were too concise to take in the various incidents that might embarrass a young practitioner, and, in many difficult parts, so obscure, that they seem to be only verbal trans- lations, without any knowledge of the subject. As an instance of this, let any one read the de- INTRODUCTION. 5 scription given of the different reels invented; there is either a total neglect, or a total igno- rance of its most essential movements. We need not mention the many material circumstances which are omitted in the hatching, feeding, and obtaining the breed of silk worms. In the following treatise we have attempted to bring together the best information, and the most material facts which have been published by different authors, and, having ourselves many times gone through the practice of the different parts into which we have divided the subject, we have taken occasion to mention such improve- ments as we had actually tried, and also to sub- mit such as we had reason to think would, on trial, be found useful: by these means attempt- ing to impart what we already knew, and direct- ing to such trials as might discover more than we knew, and striving to enter so far into the rea- sons of things, as might give some light to future discoverers. If some should think we have treated the sub- ject too minutely, we can only say, that this was owing to our observing that brevity in rules 2% 6 INTRODUGTION. which were to be put in practice was often the cause of obscurity and error. | In short, it may happen that this treatise may be speedily censured, and slowly found useful; or it may, without either praise or cen- sure sleep in obscurity. But, while we are con- scious of the intention with which it has been written, and are of opinion that it can, at least, do no injury to the cause which produces it, we shall not add solicitude about its credit, to the trouble it has already cost us. PART I. CULTURE OF THE MULBERRY TREE. —e CHAPTER I. OF THE DIFFERENT KINDS OF MULBERRY TREES. Tue mulberry tree is the foundation of the silk culture, its leaves being the only food so peculiarly adapted to the worm which affords us its rich materials, that no other can be sub- stituted for it, with any advantage, whatever authors may have stated to the contrary at va- rious periods; experience has not only shown that the silk worm has no other aliment proper to its nature than the mulberry leaf, but it is also ascertained to be extremely hurtful to this delicate insect to change the quality of the leaf, as inexperienced persons in rearing them are too apt to do. ‘The cocoons produced by worms uniformly fed with the same kind of leaf are always more beautiful, finer, richer in silk, and of a more delicate texture. , The first silk worms reared in Europe were _ fed on the black mulberry leaves, the only spe- 8 SILK CULTURIST’S. MANUAL. cies then cultivated there, as would appear,. although it was well known that the white mul- berry was cultivated in Greece. But the white mulberry, (Morus Alba, L.) was soon after introduced into all the temperate regions of Europe. This mulberry tree offers three advantages: the leaf is earlier, and thus the care of the silk worm is not protracted too much into the hot season. It also gives a much greater abundance of leaves in a shorter period, and their quality produces the sort of silk most approved of by the manufacturers. But there is a considera- ble difference in the quality of the white mul- berry trees. Count Dandolo, the great silk cul- turist of Italy, considers those as the best which grow in Lombardy, under the name of Fogha Giazzola, of a middle sized leaf, dark green, and Foglia Doppia, of small leaf, of a dark | colour, rather thick, more difficult to pick, and well calculated for the nutriment of silk worms, the leaf of which contains five different substan- ces: Ist, the solid, or fibrous substance; 2d, the coloring matter; 3d, water; 4th, the saccharine substance 3 5th, the resinous substance. The solid or fibrous substance, the coloring | matter, and the water, excepting what in part | composes the body of the silk worm, cannot be said to be nutritive to that insect; the \ - . SILK CULTURIST’S MANUAL. 9 saccharine matter is, therefore, the only part which nourishes it, promotes its growth, and forms its animal substance; the more the leaves contain of it, in comparison with the other ele- ments which compose it, the better is the tree adapted to the purposes of the silk culture. The resinous substance is that, which, sepa- rating itself gradually from the leaf, and, attract- ed by the animal organization, accumulates, clears itself, and insensibly fills the two reser- voirs, or silk vessels, which form the integral. . parts of the silk worm. According to the dif- ferent proportion of the elements which com- pose the leaf, it follows that cases may occur in which a greater weight of leaf may yield less that is useful to the silk worm, as well for its nourishment, as with respect to the quantity of silk obtained from the animal. ) Thus the leaf of the black mulberry, hard, harsh, and tough, with which the worm is fed in some parts of Spain, Sicily, Calabria and Greece, produces abundant silk, the thread of which is very strong, but coarse. The white mulberry leaf of the tree planted in high lands, exposed to cold dry winds, and in light soil, produces, generally, a large quanti- ty of strong silk, of the purest and finest quality. _ The leaf of the same tree, planted in damp situations, in low grounds, and in a stiff soil, pro- 10 SILK CULTURIST’S MANUAL. duces less silk, and of a quality less pure an. fine. The less of the nutritive substance the leaf contains, the more leaves must the silk worm consume to complete their development. The result must therefore be, that the silk worm which consumes a large quantity of leaves less nutritive, must be more fatigued, and more liable to disease, than the silk worm which eats a smaller proportion of more nutritive leaves. The same may be said of those leaves, which, containing a sufficiency of nutritive matter, con- tain little resinous substance, in that case, the: insects would thrive and grow, but probably would not produce either a thick or strong’ cocoon, proportionate to the weight of the: worm, as sometimes occurs in unfavorable sea- sons. | The black mulberry is the least advantageous | for silk worms, because it produces a coarse silk, and much litter and moisture, which proceeds | from its fruit; for these reasons, therefore, it. ought not be used as a food for silk worms. | The Spanish mulberry would have the same | effect, if the silk worm were fed a long while: with its thick and fat leaf. Persons skilled in | the care of silk worms, do not touch this leaf’ before the moment of the greatest consumption, — and at the time when they need to be filled with substantial nourishment. SILK CULTURIST’S MANUAL. ‘ei The mulberry of Constantinople, (Morus Broussonetica, from the name of Mr Brous- sonet, a distinguished professor,) with a low and stunted trunk, very short branches, and leaves much clustered together; this species is difii- cult to be got, and yet more so to be propagated. The red mulberry, (Morus Rubra,) which is indigenous to North America, and bears very large, numerous, wrinkled leaves, would also afford an excellent food for silk worms, if care were taken to engraft, or better yet, to inocu- late it with rings of bark taken from the best white mulberry ; it is small, not very succulent, of a dark green, shining, and contains little water, which may be easily ascertained by dry- ing some of its leaves; otherwise we cannot recommend it as food for the worms. There is another species of white mulberry which bears a middle-sized leaf, thick, and of a dark green color. When the trees are not exposed to a dry atmosphere, and are not in light soils, they bear a large quantity of leaves, but they are not then of such a nature as to afford much silk. It appears that nature more easily produces leaves abounding in nutritive matter, than those which produce resinous or silky sub- stances. Besides the varieties of the mulberry tree above mentioned, there is one, which, if we may 12 SILK CULTURIST’S MANUAL. believe the high commendations of it, is su- perior to all others for the silk worm. We mean the mulberry of the Philippine Islands, (Morus Multicaulis,) thus called by M. Perottet, and often confounded by amateurs in general with the ordinary mulberry of China, (Morus Alba — Sinensis,) which, though resembling it a little in exterior appearance, differs materially from it in essential qualities. This is a new and most valuable species of mulberry, which has been of late, the object of very great observation and experiment among cultivators in Europe, as well as in the United States. It is represented as possessing such decided superiority over all others, as to be speedily substituted for them in every part of the globe. 7 This tree was brought from Manilla, the capital of the Philippine Islands, to France in 1820, by M. Samuel Perottet, a celebrated naturalist employed by the French government. The Chinese inhabitants assured him that, to this tree, the disciples of Confucius are indebt- ed for the prosperity and solidity of their em- pire, and that it is the only species used by them in the production of the finest silks, such as they weave into stufis exclusively for their own use. The Morus Multicauls is already propa- gating in many parts of Europe and the United - | ! | | | SILK CULTURIST’S MANUAL. 13 States, and probably will be substituted for, and preferred to all other varieties. It is gen- erally known in Europe, by a name derived from its origin, that is, the “‘ Mulberry of the Phihppine Islands. In botanical language M. Perottet has called it Morus Multicauls, on account of its roots having the property of putting forth many branches. Another eminent agriculturist, (Matthew Bonafous,) has thought it a better designation to call it Morus Cucul- lata, because the leaves have a concave form, inasmuch as the botanic description marks it by the following characteristics, Morus folis cor- dates, bast wniquahbus, viz lobatis, dentatts, amplissimis, cucullatis; mulberry with leaves heart-shaped, unequal at the base, scarcely divided into lobes, indented, very large and concave. Among the other qualities of this tree, it is affirmed that a less quantity of its fo- liage is required for the precious insect than of other species. - The lower branches of the Morus Multicau- hs, are ordinarily straight and small, so that they bend easily under the weight of the leaves in the manner of a weeping willow, (Salyz Baby- lontensis,) but those which grow from the crown of the roots attain often a height of six feet perpendicular. The fruit, which was unknown in Europe till 1830, consists of a 3 14 SILK CULTURIST’S MANUAL. | small number of black pulpy grains, of which) only a few arrive at maturity. It is said that! these grains used as seed, seldom give a tree: resembling the one upon which they grew. To: obtain one precisely similar, it is usual to re- sort either to inoculation or to cuttings; this: last method is the best for the rapid propaga-: tion of this tree, because the cuttings take root! in a very short time and grow quickly. This species having its origin in the most northern part of the Philippine Islands, where the cli-: mate is much cooler than farther south, it would seem easy to naturalize it in all those countries where the white mulberry is cultivated. In fact, the experiment has already justified this hope., In the dreadful winter of 1829-30, in the coldest districts of Italy, where this mulberry had been introduced, only the smaller extremities of the limbs perished. It also withstood the hard win- ter of 1828, in the field of M. A. Eyries, at Havre. We are also informed that it has resisted the rig- ors of several winters uninjured and unprotected on the plantation of Madame Parmentier, of Brooklyn, L. 1. Prussia, Bavaria, and Sweden are in possession of this very useful tree, and we are informed that it grows in those countries per- fectly well. ‘he experiments made in France, by Messrs. Audibert, of Tarascon, Barthere, of Toulouse, and Deslong-champs, of Paris, and those made by Messrs. Bonafous and others in | | ; | SILK CULTURIST’S MANUAL. 15 Italy, on this interesting question, have con- firmed all that has been previously asserted re- specting the quality of silk produced by that plant. They have further proved, that the cocoons made by the worms fed with this quali- ty of leaves, are rather heavier and produce silks comparatively finer, more elastic, and in greater quantity than those fed with the leaf of the common tree. It has been ascertained, ist. That the Morus Multicaulis, does not require any particular soil, as exclusively suit- able to its growth, but prospers even in a wet soil, which it seems to prefer. 2d. That it yields very little fruit, so that the leaves are more easily cleaned, and less mat- ter of a fermenting nature is introduced into the body of the silk worm. 3d. Thatit does not rise too high, and yields a greater quantity of leaves which can easily be gathered by women or children. 4th. That it puts forth its thin, tender and soft leaves earlier than other mulberries, which permits the period of hatching of the silk worms to be anticipated some days. _ 5th. That the roots possess the remarkable . property of throwing up numerous small flexi- ble stalks, without forming properly a principal trunk. 16 SILK CULTURIST’S MANUAL. 6th. That these stalks assume in a very short time a great length. | 7th. That the leaves speedily acquire a re-- markable development, and are promptly re- | newed. — | Sth. That these stalks or branches strike root. as cuttings, with extraordinary facility, without particular care, even before they have acquir- ed a ligneous or woody consistence. It may be proper here to give place to some | remarks on the culture and uses of the Morus Multicaulis, by M. Perottet himself, which will be found very interesting. ‘The Morus Multicaulis, which we noti- ced for the first time in the Annals of the Linnean Society of Paris, appears to have ori- ginated in the elevated regions of China; from whence it has been disseminated throughout the low plains near the sea shore. It is believed that it is cultivated in all parts of that vast em- pire where the raising of silk worms is an ob- ject of commercial importance. From Canton it was introduced into Manilla and all the islands of the Asiatic Archipelago, where it was only cultivated for ornamenting gardens. The Chi- nese are entitled to the credit of this introduc- tion, who, in emigrating from their country, have from motives of industry, endeavored to multiply it, that they might render it useful to themselves in the new country of their adoption. ‘¢The fortunate discovery of this precious SILK CULTURIST’S MANUAL. 17 plant, occurred in the garden of a Chinese at Manilla, who, after having informed us of its properties, and the important purpose for which it was used in his own country, yielded to our solicitations and sold us two bushes for ten Span- ish dollars, assuring us that he had introduced it into Manilla, where it has been considerably extended. ‘‘In August we brought it from Manilla, and first introduced it into the Isle of Bourbon, from thence into Cayenne and France. Ata later period, it was sent from Cayenne to Mar- tinique, and from France to Guadeloupe, and also to Senegal, where it has considerably multi- plied. The numerous plants which are already disseminated in the various climates of Africa, America and Europe, have been all produced from the two bushes we procured at Ma- nulla. _ & Amongst the number of mulberry trees now cultivated by the Chinese, for the rearing of silk worms, the Morus Multicaulis appears to be _ the most esteemed of all, not only for the facility with which it is propagated and grows, but still | more for the essentially nutritive property which | the leaves possess. We have been enabled to | verify this important fact during the five years | which we passed in Senegal. | ‘Besides the advantages which we have al- | ready named, we may still add, that these trees } are admirably calculated for forming regular ) plantations. They do not naturally grow tall, or | form any trunk properly so called; they can be 18 SILK CULTURIST’S MANUAL. placed very near each other without any injuri- ous effect, and, by heading down the stalks an- nually, near the ground, a rich vegetation is produced, with a complete development of vigorous branches and leaves. And, finally, it is easy to multiply them by thousands from the roots in the course of the first year, and to form vast and regular plantations of them the second. A few years, then, are sufficient to obtain con- siderable fields of them in full vigor, and to support an immense quantity of silk worms with the greatest facility, as they are repro- duced in a manner almost indefinite. Regular plantations of it can be formed without difli- culty by planting the scions at a distance of six or eight feet from each other, a space suf- ficient for the extension of the branches, to facilitate the culture and for collecting the leaves; this last operation is so much facilitated by the flexibility of the stalks, that a child is sufficient for gathering leaves to feed a large establishment of silk worms. ‘‘This species will be readily acclimated in Europe; because it originated in an analo- gous region as to climate, to that which we in- habit. It appears not to suffer from the ex- cessive cold of the northern, nor the intense heat of the intertropical regions; for the plants deposited in the gardens of the government at Cayenne, acquired in the space of eight months a truly remarkable development, and at the time of our departure from that colony, in June, 1821, they were clothed with leaves of an ex- - SILK CULTURIST’S MANUAL. 19 traordinary size. Those, also, which we culti- vated at Senegal, although situated under a dry and scorching sky, and planted in an arid soil, afford an appearance sufliciently satisfactory, but they had acquired less development in all respects than those which had vegetated under the damp climate of Guiana. It appears ex- pedient then, that plantations of this mulberry should be made upon a humid rather than a dry soil, to obtain in all respects, a satisfactory re- sult. ‘Besides, this mulberry stands the most rigorous winters. We saw on our arrival at Havre, in July last, in the field of Mr. A. Eyries, plants, which had withstood in the open ground, the winter of 1828, and which appear- ed vigorous and beautiful.”’ Thus much M. Perottet. Let us now hear the testimony of Mr. Poiteau, on the same tree, in the Annales @ horticulture, 1830. _ By the information which we receive from all quarters, it appears that this mulberry is destined to replace the common white mulberry every where for feeding silk worms; its pro- perty of continuing low and bushy, so that the leaves can always be gathered without a ladder; and the large size, abundance, and tenderness of the leaves, cannot fail to give it a decided preference. It has been sufficiently ascertained, that they are eaten with avidity by the silk worms, and that the silk which they form is of the first quality. This mulberry has not suffer- 20 SILK CULTURIST’S MANUAL. | ed in the least, from the rigors of the last severe | winter. | ‘The zealous traveller, who has given to France, America, and Africa this precious plant, has acquired a just claim to public gratitude, and it is not only easy, but proper, to give him | at this time a proof of it, by aflixing his name | to the tree which has given him celebrity, and which will contribute so much to the prosperity of Freneh industry.” Dandolo, or Morettt Mulberry.—This is a new and most valuable species of mulberry | tree. It was first discovered by M. Moretti, | Professor in the University of Pavia, and from a single scion he had, in 1826, multiplied them. to one hundred and twenty thousand. The. tree is presumed to be strong. The fruit which is at first purple, becomes at maturity, perfectly | black. The leaf is oval, sharp pointed, entire, cordate at the base. It is thin, smooth on the under, and especially on the upper surface, | which is of a beautiful and rather deep shining - green; it is not near so thick as that of the large white mulberry called in France “The Admirable,”’ in consequence of its remarkable — beauty and qualities, and is thinner than those of the Spanish mulberry. It is neither wrin- kled nor plaited. It is in general nearly eight inches wide, and ten inches long. This species will be most profitably cultivated in’ SILK CULTURIST’S MANUAL. 21 the form of a hedge, and from the great size of the leaves, they are gathered with the great- est facility. Its superior quality has been proved by the experiments of Messrs. Gera and Count Dandolo, who assert that they produce silk of a more beautiful gloss and of a finer quality. This last species of mulberry tree 1s, we believe, not much known in this country. We should like to see its introduction, but it is probable that the Morus Multicauls will pre- vent it. CHAPTER II. PECULIAR SUBSTANCE IN THE MULBERRY LEAF, AND THE ANALOGY OF ITS CON- STITUENT ELEMENTS WITH SILK. THERE is no doubt, some peculiar substance © in. the mulberry leaf, which is not to be found in any other vegetable production. Experience | has shown that the leaves of all the different — kinds of mulberry which nourish the silk worm, have a granulous surface covered with a great number of minute tubercles resembling glands, which seem to contain the odour which the leaves exhale, This observation very early formed the - subject of some examinations by several chem- ists, and they have been enabled to ascertain the existence of a matter altogether peculiar to the leaves of the mulberry, having no relation to the general principles of other vegetable produc- tions. | Thus, then, if merely by the substance of this neutral matter, the leaves of the mulberry are distinguished from all other vegetables, if it be a fact that the silk worm feeds exclu- sively on these leaves, and that no other food enables it to make cocoons of good quality, there SILK CULTURIST’S MANUAL. 23 seems, then, reason to believe that silk is only a metamorphosis of the matter in question. In our last voyage to France, in the summer of 1837, a friend of ours communicated to us the observations on the species of mulberry, re- cently discovered by Professor Bafrau Delille of Montpellier, which he calls Morus Nervosa: it is said, in fact, that the transparent edges are formed by the extravasated gummy and resinous matter of which the silk is constituted, and that the worm fed with this sort of leaf gives a silk of finer quality and greater quantity. No doubt that an immense service could be rendered to the culture of silk, if it could be ascertained by an exact and thorough analysis, what is its actual composition. Unfortunately, this precise know- ledge is yet wanting. Messrs. Berthollet, Four- _croy and Chaptal, have declared that silk has | much analogy with the tissue of horn, and that _ by distillation they have obtained from it car- | bonate of ammonia, and a large portion of oil. | Roard, in his excellent memoir addressed on the _ subject, to the National Institute of France, (see vol. 22, Decreusage des soves—ungumm- ing silk,) gives an analysis conformable to the | observations of the three celebrated chemists | abovenamed. He demonstrates that the yellow | silk contains of gum, from twenty-four to twen- | ty-five per cent.; of coloring matter, which 1s 24 SILK CULTURIST’S MANUAL. a resinous substance, nearly solid at twelve de- grees of the centigrade thermometer, and en- tirely liquid at thirty degrees, its proportion is fifty-five to sixty per cent.; of wax, which melts at between seventy-five and eighty degrees, it is insoluble in water, and dissolved easily in the alkali or in soap; this part is no doubt what forms the exterior brilliancy of the silk; this matter is found in the yellow as well as the white, and forms from 1.200 to 1.250 of their weight; and a volatile oil having a strong and disagreeable odour, and which, by itself, resem- bles the essential oil of anise, or of any other vegetable matter. By these characteristics, we may conclude that silk is of an intermediate nature, between — vegetable and animal, which will correspond — with the qualities discovered by the above — chemists. Another proof that the quality of the leaf has an important influence on the quality of the silk, is found in the observations lately made on the leaf of the Morus Multicauhs. Any one can satisfy himself that these leaves are more abun- dantly and entirely covered with those little glands than any other quality of mulberry, and consequently they contain a larger gpently of that nutritive substance spoken of. After having treated of the different species | SILK CULTURIST’S MANUAL. 25 of mulberry bearing leaves, proper as food for the silk worm, we will treat of the culture of that plant. Here we must acquaint the reader that a great part of the method which follows for raising mulberry trees is drawn from some of the best authors who have written on that subject, for the climate of Europe, to which _ every thing found in the writers of this country, which seemed useful, has been added, and some things which were deduced from our own expe- rience; nor have we omitted giving hints of such improvements as, though we have not had time _and opportunity to try them all, seem to us rea- sonable, and will, perhaps, upon experiment, be found useful. CHAPTER III. OF THE CULTIVATION OF MULBERRY TREES. This Ghapter embraces the following heads :— Ist. The manner of gathering and preserving the seed. 2d. The soil proper for the raising and plantation of Mulberry trees. 3d. The various modes of propagating the Mulberry trees. 4th. The planting out of the young Mulberry trees. 5th. The grafting and budding Mulberry trees. | 6th. The culture, pruning, and management of the trees. 7th. The diseases of the Mulberry trees. Our principal objects in adopting the above distribution and arrangement has been to show, first, the manner of obtaining the greatest possi- ble quantity of leaves during the proper season for raising silk worms; second, of securing the vigor and the health of that insect, on which depends the richness of the crop; both tasks to be accomplished with the least expenditure of time and money. We have adopted the above plan as the most eligible for condensing the directions which ap- pertain to this part of our subject, being con- vinced that one part of them only is necessary SILK CULTURIST’S MANUAL. 2a ow and unchangeable in any climate or latitude where the plant can grow. But the task must ultimately be left to the discernment of the agriculturist himself to judge, what circumstan- ces and practical means are necessary, by the nature of their own soil, in the order of seasons, and with their adopted modes of tillage. ‘There- fore we could not select a better model than the method of the Count de Verry, in his treatise on the mulberry, and that of the celebrated Doctor Antoine Pitaro on the same subject. We have borrowed at least, those precepts, which we thought must be strictly observed. On the other hand, not mistrusting our own knowledge and experience, acquired in one of the richest silk districts in France, we have attended to such selections and comments as we believe to be interesting, and may prove useful. lst. Of the manner of gathering and preserv- ing the Seed. The mulberries whose seed you intend to keep, should be gathered perfectly ripe, this you may know by their beginning to fall from _ the trees, by their softness, and, if you examine nicely, by the kernel being completely ripened - in the small shell which enclosesit. You should not choose the fruit of those trees which have }) been stripped of their leaves that year, or even 28 SILK CULTURIST’S MANUAL. the year before, if you can avoid its the berries of the white mulberry which incline most to a dark color are the best. It is a good method to shake the tree moderately every day from the time that the fruit begins to ripen, for mulberries do not all ripen together. These mulberries should be laid thin on a clean table, in some airy place, for four or five days, in order that they may attain their full ripeness, and should be removed and stirred every day for fear of heating or rotting, espe- cially if they lie thick upon one another; after this let them be soaked in water until they can be easily bruised with your hand, and thus dissolve and separate the grain from the pulp; separate the seeds afterwards by washing the mixture with several waters; stir it briskly, the seed will sink, in three or four hours, to the bottom, and the pulp swimming at the top, may be poured off with the water. The seed should then be taken out, spread on cloths, and dried an the shade or in some airy place, stirring it often for fear of the heat injuring it. When perfectly dry it should be put into a tight ves- sel and kept in a dry place. This and other processes in relation to a provision of seed, should never be neglected by good culturists, to guard against the chance _ of employing old or poor seeds: which danger | ee SILK CULTURIST’S MANUAL. 29 is obvious, unless they can trust to horticul- turists and gardeners who follow that business with diligence and reputation. In the more temperate climates of Europe, it has been found necessary to select good trees, well manured, and hardy, in order to have sound and well-ripened seeds and in any cli- mate, it would be useful to have a few trees of the best growth peculiarly set apart for seed. But, if, for want of better, you are obliged to make use of the seed from trees whose leaves have been pulled for the worms, let it be from those trees which were last used, viz: when the worms are in their last age, at that time they have their fruit pretty well grown before having been stripped, for the mulberries do not fill when the leaves are pulled too early. If the berries are ripe on any tree whose leaves you have occasion for, it will be convenient to shake the tree moderately every time before you pull the leaves; thus you will both save the fruit for the seed, and prevent it from mixing with the food of the silk worms 3; and on this last account you should preserve for seed those trees which are so greatly loaded with fruit as to have but few leaves, since it would be almost lost time to pull the leaves; and they would be so mixed with the mulberries as to occasion a great deal of litter among the worms; and if A* SOU ii SILK CULTURIST’S MANUAL. they were so ripe as to shed their juice on the leaves, it would make them unwholesome food. 2d. Of the Sow proper for raising Mulberry trees. The ground for raising mulberry trees either from seed, layers, or cuttings, should be a rich, loose soil, mixed with much mould, and inclining to sandy, in order that the tender new formed roots may be the better enabled to ex- tend init. A small depth of soil will be suf- ficient for these, especially those raised from seed, but it ought rather to have gravel under it than any sort of stiff clay, which might pre- serve humidity, and chill the young plants. Though a small depth of soil 1s suflicient for raising trees which are to be transplanted, yet, when they are raised where they are to stand, (as will be shown under the head of raising mulber- | ry hedges,) or when they are transplanted where | they are to remain, a deep soil is best, because mulberry trees shoot downward, with very long tap-roots; it is true, indeed, that when they | have taken root they will live, and throw out | abundance of leaves, even ina bad soil, but then | those leaves are not so good to feed the worms, | especially, when the trees are planted in low | watery grounds, they then afford but bad leaves, | though they may have a greater quantity; for, - SILK CULTURIST’S MANUAL. 31 as they abound too much with moisture, their leaves approach to the nature of those which grow on the suckers of the mulberry trees, and endanger the silk worms which feed on them, especially if they had been used to better _ leaves before. 3d. Of the various modes of propagating the . Mulberry trees. There are three principal methods of raising mulberry trees: 1st, by sowing the seed of the berry; 2d, by layers depending upon the - mother trees, till they have taken root; 3d, by _ branches separated from the mother tree, and _ therefore called cuttings. We shall begin with _ the method of raising them from seed, as it is both the surest and most effectual way to pro- cure great numbers; and numbers of small trees _ will answer the end of a few large ones. st. To raise Mulberry trees from the seed ; _ choose some part of an inclosed garden which _ has a good exposure to the sun, and is protected from the north wind; the ground should be ploughed the preceding fall, and again plough- ed two or three times in the spring and made light and friable, two or three dressings of dung, _ not too much decomposed, and well ploughed in, Oe SILK CULTURIST’S MANUAL. would be of essential service; then lay out the ground in beds, a little raised above the surface of the earth, of what length you may think | proper, but not above four feet broad, that they | may be conveniently weeded. The best time for sowing the seed is in Feb- ruary, March, April, May, even in June, for ; it depends upon the climate. ‘The sooner it is done in spring, when frosts of any continuance are no longer to be feared, it will be so much | | | | the better, as the plants by coming up early, will have time to get strength, and be the bet- ter able to bear the ensuing winter. As the plants require, according to the difference of climate, twelve to fifteen days, with sound seed and good weather before they begin to rise, we think it is a good rule to sow the seed about twelve or fifteen days before the time the mul- berry bud begins to open, (which may be a sort of general direction for any climate,) although no alarm need be felt if it should be later, as was the case in France, in 1825, when three weeks elapsed before the plants appeared. Take, therefore, the seed which you have kept, and if it is too dry, or if the season is too warm, steep it for one night in water, in order to induce the germination, then place two seeds at most in each drill made in the beds prepared as above, one inch and a half deep in SILK CULTURIST’S MANUAL. 33 _a heavy soil, and two inches deep in a light one, and five or six inches asunder, and cover- _ ed with earth; should the weather be dry du- ring, or shortly after the sowing, the beds should be watered immediately after the seed has been sown, and at least once every two days in dry weather, particularly towards the time _ when you expect the seed to spring up. _ While the earth appears moist you need not water them, since it is very apt to thicken the surface of the ground, and make a crust gather on it, which prevents the springing of the young plants, and therefore when you water them, it should be with a watering-pan whose -rose-has very fine holes, or else you should have two or three light bundles of osier, straw, or rushes, which you should lay upon the several parts of the beds as you water them. If any frost happens, or the weather be very hot when you sow the seed, it is proper to cover the beds with some straw for four or five days; this will protect it from either cold or drought, ac- cording as the season is, and also, from being scratched up, and picked by birds; above all, it is requisite, often and with the greatest care and gentleness, to stir up the earth, clearing it from all weeds, which would impede the growth of the young trees. For this and other reasons, we would advise to make the drills run 3o4 SILK CULTURIST’S MANUAL. across the bed, and not Jengthways, because the:| weeds can be more easily seen and destroyed., If the seed has been preserved with some of iil the pulp about it, you may sow it in a drill ini the following manner: first steep it in water’ till it becomes a soft pulp, then make drills) across your beds as before directed, only some- | what deeper; then, having some small ropes of! hay, about as thick as bulrush, fix them with. two pegs directly over each drill; take now the: moist pulp, and rub it along the rope, so that. the seed may stick here and there upon it, then: thrust the pegs down, so that the rope may he) in the bottom of the drill, and cover it with, earth, after which, you may draw out the pegs. . This, although a very easy method, is not so) good as that above described, because if the seeds are too close, they will not germinate well, or oblige you to pull up some of the trees if they rise too thick. You may also sow the seed at its maturity, well cleaned, free from any animal or vegetable substance, and mixed with so much fine sand as may serve to separate the grains; thus you will gain almost a year in the growth of the trees; but, as this is done in the summer, the beds should be duly watered, and the plants, when winter comes on, should be protected against frost with straw or some other covering, which should not he too close SILK CULTURIST’S MANUAL. 35 for fear of suffocating them, and in mild weather should be taken off; dry leaves are best for such purpose. If the nursery ground has been well attended to, during the first year, the little mulberry trees may be taken up the next spring, to be re-planted either in another nursery, in order to become large trees, or in the field, to make hedges of low stature. But if it is preferred to leave them longer than the spring, in order that they may gain greater strength, it is useful to cut those stems close off to the ground, by the means of such a sharp and well-edged nipper, as will not shake nor disturb the roots. The new growth will acquire additional vigor from this operation, and there will be obtained the second year, a mulberry tree four or five feet high, and sometimes even more. 2d. By Layers.—Though the mode of rais- ) ing mulberry trees from seed, is the most advan- tageous, yet, where large plantations are to be suddenly raised, all other methods may be at the same time used. Layers may be made from low trees, and from shoots, which are sometimes pro- duced plentifully from the roots; but the me- thod of making layers being generally known, needs notbe particularly insisted on; the branch- es now are bent and pinned down in the earth, 36 SILK CULTURIST’S MANUAL. with crotchets of wood, leaving only their ex-: tremities above ground, and in this situation: they subsist on the mother tree, until the parts: which are under the earth have formed roots: suflicient to maintain themselves, and then they’ are to be separated from the trees and planted out. These layers are more certain of growth than cuttings, and do not require such watering while they depend on the old tree; but then, this dependance makes them lazy in putting forth roots, with which they often appear but moderately furnished, when you come to sepa- rate them from the old tree; therefore some agriculturists recommend to twist a piece of brass wire about the parts laid under ground. The theory upon which they built their im- provement, is, that as the branches of trees are produced generally at acute angles from the stem, and tend upwards, so that the roots are produced at acute angles, but in an opposite di- rection, downward. The ligature, therefore, checks the motion of the sap, and turns it into that direction which is proper to produce roots, — and experience seems to have convinced them of the truth of this theory. We should think that a ligature of lead or of cord, may be found fitter for that purpose than brass wire, as they will give way to the growth of the branch, . SILK CULTURIST’S MANUAL. 7 and not cut through the bark, as the other ap- pears to us apt to do. The spring is the most suitable season for making layers, and in two years they will be fit to transplant. It might, however, be of use, if, at the end of the first year, you should begin to wean them from the mother tree, by cutting them off four inches from it; and putting tar upon the cut, this might force them to put forth roots for their subsistence. _ Shoots often spring from the ground, about the roots of trees, which have their heads torn by winds, or many of their principal branches lopped off, this may be promoted by digging - and opening the ground about the roots of such trees, but, though such suckers spring out of the | ground, it is needful to their well rooting, that \ they should be bent down, and have good mould laid on their lower parts, in the same manner as has been described for branches laid down. Besides the foregoing methods, we think ') proper to mention, that mulberry trees may be propagated from parts of the root taken up, the ' more length they have will be the better; these may be laid horizontally, about two or three inches under ground, in a loose fine mould, and placed in lines to produce hedges, as is general- Y\ly done with cuttings; they may be planted early in the spring, and will soon shoot forth 5 38 SILK CULTURIST’S MANUAL. plants, which, being at first sufficiently rooted, are less liable to failure. The ground, how- ever, should be watered in dry weather, both before and after they have sprung, because the roots lie near the surface, being so placed in order that they may put forth plants above ground earlier. 3d. By Cuttengs.—The next most easy and quick method of raising mulberry trees, is from cuttings; and in this method, though you can- not so readily raise the same number as from seed, yet you have the advantage in the quick- ness and strength of their growth. The mul- berry is more easily propagated from cuttings in moist and temperate climates, (particularly the species called Morus Multicaulss, as we have. already said, ) than in those which are extremely, hot and dry; for the branches which are sepa- rated from the mother trees having no roots ta) subsist upon, require to be plentifully supplied with moisture, in order to keep them alive till the roots are formed, and where the cli;| mate denies this, the defect must be made. uF} with watering. | The soil chosen to receive the slips or cuttings | of the mulberry tree, should be prepared much), in the same way already described for the seed, A two year old branch of a sey a / | | SILK CULTURIST’S MANUAL. 39 _ which has wood of four or five years at one end, _ must be selected, and the extremity of the old _ wood must be interred to the depth of about ten _inches. The branches must be taken off from sound and well grown trees; and in order to fa- cilitate the shooting of the roots, two or three _ incisions must be made in the joints or knots of _ the old wood, from which the roots always put _ forth. 3 _ The best time for planting cuttings, is as soon | as the leaves have fallen in autumn, so that the | parts which lie under ground may be prepared _ to put forth roots the spring following; for, if they are planted in the spring, they will mostly fail for want of roots to supply the large quan- tity of nourishment which the leaves will soon require. The soil in which the cuttings are to be set,- should have been dug, broken and weeded some weeks before; and if there was a necessity, enriched with some good loam, dung, sand, or other manure, so as to make a fine loose mould proper for the young fibres of the roots to shoot into. In this make furrows of about one foot in depth and two in breadth, sloping from the edge to the bottom of the fur- row, and of the length which you design for your hedges; the distance between each furrow need not be above four feet, if you design future plan- tations, by taking away and transplanting one or 40 SILK CULTURIST’S MANUAL. more of the intermediate hedges; but if no more | hedges are planted than you intend to stand in | the same places, then the trenches should be four | or five yards distant. The ground between the | trenches may be cultivated with any low vegeta- | ble that will not overshade the young mulberry plants. ‘The trenches should run from north to south, for reasons given in speaking of the form of a mulberry plantation. When you would plant the cuttings, first fill the trenches about one third with some of the fine mould taken out of them; then begin to lay in the cuttings, by placing their main stem as flat as you can on the bottom of the trench, and turning up the small branches on each side so that their ends may stand above ground from three inches to a foot, as they can be convenient- ly bent and turned up; for which purpose place that side of the main branch undermost which has less twigs growing out of it; you may bend the small branches, and make them yield as much as you please, they will not grow the worse. The cuttings must then be covered with a well manured and friable earth, and the end of the branch which rises from the soil must be cut off at the third bud from the surface. If ~ rains should not frequently occur after the plantation is finished, it would be necessary to water the plants often. SILK CULTURIST’S MANUAL. Al These cuttings, thus managed, will in the first summer put forth shoots of about eight or _ ten inches in length, more or less, according as _ they have thriven; and at the same time they _will strengthen themselves with roots, so that if they have made shoots, and preserved their _ leaves till fall you need not doubt of their growth. In the ensuing spring and summer, although | they will then be more out of danger, yet you should continue to water them in very dry weather, and they will this year put out shoots, often a yard in length, and furnish themselves completely with roots, so as to be fit for trans- planting in the fall. This method therefore, of raising mulberry trees, we take to be as ad- vantageous and expeditious as any that can be pursued, and if cuttings thus managed fail to grow, at least in a temperate climate, it will be owing either to want of watering, weeding, or a good soil. We would recommend, before the cuttings are put into the ground, as above directed, to dip the part that is cut in tar or melted pitch; because when moisture insinuates itself where a branch is cut, especially in the mulberry tree, it generally makes the bark part from the wood and grow rotten; besides, the tarring over of the cut will, as we think, prevent it from tak- ing in a large quantity of crude and improper 5* 42 SILK CULTURIST’S MANUAL. juices, which will now be forced to strain through the bark, and prepare the shoot to put — forth roots. The method here given for raising mulberry trees from cuttings, may perhaps be advanta- geously applied to the producing of nurseries from many other trees, as well as from the mul- berry. All that seems necessary for producing trees from cuttings, is, that the part which is | under ground should, as soon as may be, acquire © the nature of a root, so as to feed the branches. Wherefore the less any particular tree is apt to strike root from cuttings, the more of the branch must lie under ground to make up the defect, and the more should such other artzfices be used as will make it put out roots; for other- wise, though a branch may bud and keep alive during the beginning of the summer, yet when the leaves are expanded by the advance of the season, they require a greater supply of sap. and the braneh will often, for want of due nourishment, decline by degrees, and at last die. Ath. Of planting out young Mulberry trees. Mulberry trees raised from seed, or from parts of the roots laid in the ground, may be transplanted after having acquired the thick- ness of an inch and a half indiameter. ‘Though SILK CULTURIST’S MANUAL. 43 someauthors mention that mulberry trees may be transplanted in the spring, yet the surest season for doing it, is just after the leaves have fallen in the autumn; for the dry weather,which often hap- pens in spring, before the roots have settled and begin to draw nourishment, will much endanger and often kill the plants; but, when planted in the fall, this is avoided, and there is then nothing to be feared, except a severe frost soon after planting, but this may be prevented from doing any harm by laying some fresh litter, straw, or the like on the ground, over the roots. The pits for setting out should be prepared and always left open beforehand, in order to fer- tilize the soil by the airing or contact of the am- bient atmosphere, which, as is very properly supposed, has its share of influence upon the vegetative property of such layers or strata of earth as have thus been mellowed. It is in this view, also, that a judicious horticulturist will take care to set apart the upper and best vege- table earth, and Jay it on the roots of the sapling. There are two methods of planting out the young mulberry trees, or of forming plantations, viz: Ist, in hedges, or 2d, as standard trees. 1st, The planting in hedges affords three im- portant objects: supplying food for silk worms; keeping the trees low, so that the leaves may be gathered from the ground by children; and 44 SILK CULTURIST’S MANUAL. furnishing a good and almost never ending fence for gardens, meadows, &c. In transplanting young trees for hedges, they should not be pruned till the second year, or at least the third, the tops should be cut off and the side branches trained laterally with the hedge, by interweaving them. ‘The white mulberry forms an excellent live fence, and, when once estab- lished, is probably the most permanent of any other. : : 2d, As standard trees. This operation, as well as the one already spoken of, requires con- siderable diligence, both in taking up the trees, so as not to spoil or damage the stem, and also in re-planting them. Itis necessary to cut care- fully, with a sharp and well-edged nipper, all the branches of the young tree close to the stem, without, in so doing, inflicting any serious wound upon the tree; all the injured roots must be cut off. The trenches to receive these trees vary from four to five feet in diameter, accord- ing as the soil is more or less strong. In stiff and argillaceous ground the trench ought to be larger. The depth should not exceed two feet, in order that the roots, not being too deeply buried, may feel the influence of the sun’s rays; horse dung, not too dry, and sheep dung make the best manure and may be put in the bottom of the holes, or some fresh mould. It would be SILK CULTURIST’S MANUAL. 45 desirable to ascertain the exposition that the plants had in the nursery, which may be easily discovered by the size and the number of its roots, which are generally more conside- rable on the south side of the tree, as well as by the size and the distance of the rings or cir- cles which form at the forks of the branches, Directed by these signs, one may give to the tree the same exposition which it had before its removal, by attentively turning to the south the largest roots and circles. It will be a good precaution to put a stake, firmly driven into the ground, by the side of each tree recently planted, and tying the tree to it. The wind will thus have less power to disturb the tree and draw the roots out of their proper position. ‘Three or four dressings a year with a hoe, might be of essential benefit. Fresh- ness and strength are communicated to the tree and to its roots by this attentive tillage, and the benefit is so visible, that even an unpractised eye will at once distinguish the plantation of the industrious from that of the negligent pro- ‘prietor. (5th. Of grafting and budding Mulberry trees. _ Bonafous observes that there is a difference of opinion in regard to this method, as some )think it advisable to graft the young trees, 46 SILK CULTURIST’S MANUAL. whilst others prefer to leave them in their natu- ral state. Count Dandolo appears to be of the latter opinion; let us hear him on this last point. ‘¢T have fed, though with difficulty, a num- ber of silk worms on the leaf of the wild mul- berry tree alone. This leaf is scarce, because even the hedge mulberry trees are grafted. ‘‘The cultivator, finding that the grafted mulberry yields more leaves, is always anxious to graft as soon as possible, which has prevent- ed my making the experiment on a large scale. I have however, ascertained the following facts. 6©1, That 142 Ibs. of wild mulberry leaves, weighed when just gathered, without sorting, will produce a pound and a half of cocoons, while it requires 203 lbs. of the leaves of the grafted mulberry to make’ the same quantity. 6¢2, That 74 Ibs. of cocoons, proceeding from worms fed on the leaves of the wild mulber- ry gives about fourteen ounces of exceedingly - fine silk; whilst generally, the same weight of cocoons, managed exactly in a similar manner, but of which the worms have been fed with leaves of the grafted mulberry, yields only ele- ven or twelve ounces of silk. «3, That the silk worms fed on the wild leaves are always brisker and have better appe-__ tites.”’ | The celebrated Doctor Antoine Pitaro is of SILK CULTURIST’S MANUAL. AT _ thesame opinionon this subject. ‘¢ The black or white mulberry transplanted from the nursery,’ _ says he, *‘is the true and natural mulberry, and it is for that reason that it is called wild mul- _ berry; yet it is in our opinion preferable to the grafted mulberry, because its leaf, compared to _the grafted mulberry, yields, at equal weight, a greater portion of nutritious and resinous sub- stance, and less of the fibrous substance.” It would appear from what we have stated, that we prefer the culture of the wild mulberry ; how- ever, before coming toa conclusion the agricultu- rist should weigh the following observations at- tentively. 1. In the vast class of the wild mulberry plant, there are varieties of an indifferent qual- ity, which yield few leaves, those leaves much indented, and the branches thorny. 2. Some give a great quantity of fine sound leaves, scarcely distinguishable eon the graft- ed mulberry leaf. 3. The wild mulberry tree with sound leaves and of a good quality, may be grafted on the wild mulberry tree of the inferior sort, with indented leaves. / 4, As it is the nature of the wild mulberry to have a great quantity of small branches, and grow bushy, it should be well pruned and thin- ned, which will also strengthen the tree. 48 SILK CULTURIST’S MANUAL. 5. The hedge rows of wild mulberry trees | should all be grafted with the best sorts of the wild mulberry, and they should be planted in | every spot where they are not likely to injure | any other production. We may have enlarged too much on this sub- | ject, and we must conclude that before the cul- | ture of the wild mulberry tree shall supersede | the grafted tree, experiments must be made for | many years, from which alone exact calculations — and unerring practical comparisons can be de- duced ; therefore we will proceed to give the best method of grafting mulberry trees. We are sorry to be in opposition with one of the most illustrious writers of Lombardy, the Count Verri, who recommends very highly the engrafting by the shoot as the surest and most advantageous mode. Experience has, however, proved that the branches proceeding from such a graft will never acquire much strength, and moreover, the smallest storm of north wind will suffice to break them. The engrafting by rings is better adapted to the tree, and gives to its branches more strength to support the force of the wind. Scions of the preceding year are the best adapted either to inoculate or to graft the trees, and the time most suitable is the month of May, ona dry and calm day, for rains and high winds are injurious, SILK CULTURIST’S MANUAL. 49 The branches from which the rings are to be taken should be cut from the tree in the first fortnight of April; when the sap has ascended to the limbs, to the very extremities of the branches. After having cut them off, it is the custom to bury them in the sand, a little moist- ened, for fifteen days, in order to render the bark more flexible and easier to be removed. The operation of inoculation is very easy, and may be learned in three hours’ exercise, after seeing it done by an able inoculator. During the whole year in which the inoeula- tion has been performed, care must be taken not to suffer any other shoots to grow than those which are inoculated, and which are intended to form the crown of the tree. In the spring of the following year the engrafted branches should be trimmed, leaving three eyes between the place of inoculation and the extremity. This operation surprisingly concentrates the strength of the tree, which, the same spring, puts forth very flourishing branches, Generally, only three branches are left, which form, with their shoots, a fine crown or top tothe tree. It is always useful to cut off the branches that have taken an ill direc- tion or become thorny, or when they weaken the plant too much. This ought however, to be done only before the sap has recommenced 6 50 SILK CULTURIST’S MANUAL. its circulation; at the same time all the little: branches or extremities should be lopped off that have perished by the cold or any other accident. 6th. Of the culture, pruning and management of the trees. Few persons bestow much trouble on the: mulberry trees designed for silk worms; and yet it is certain, that the leaves will be more whole-- some and the trees thrive better by culture. In some countries of Europe which produce: silk, the grown up mulberry trees are leit to) themseives; in others they are more or less: pruned. Both these methods are more found- ed upon custom than upon sound principles of rural economy. Three things ought to be kept in view : Ist. The quality and the quantity of the leaves. 2d. The duration of the tree. 3d. The facility and the certainty of the gathering of the leaves. Any method adopted, without regard to these primary conditions, is dangerous, or use- less. The clipping of the trees contributes undoubtedly to render the leaves more numer- ous, and larger; but if practised without judg- ment and necessity, or done at an improper time, or imperfectly, the leaf not only becomes SILK CULTURIST’S MANUAL. 51 less nutritious, but diminishes in quantity ; it fills the tree with wounds and scars, and weakens it; much caution is therefore recom- mended in pruning, in the first year that the leaves are plucked; and the pruning must be so executed, that by an equal distribution of the sap, there may be a perfect equilibrium in all parts of the tree. Consequently, ten days at least after the fall of the leaves, or after they have been pulled off, all the branches damaged in that operation, and all the dead ones, ought to be lopped off, as well as those the vegeta- tion of which seems too low ; and those which, ) on the contrary, are too luxuriant, ought to be restrained in that propensity, or turned up in a different direction, to diminish the sap; the tree ought not to be left to grow to an excessive height, nor to spread too far; the branches which obstruct the development of the head, or hang tco much down, should be shortened ; and lastly, those that have been thrust out of their natural direction, during the gathering of the leaves, ought to be set right again; and with regard to the rest, the good sense of every cultivator will direct him how to form trees the most beautifu] as well as the most productive. In regard to the preservation of mulberry trees and mulberry hedges, much depends on » the method of gathering their leaves. It should 52 SILK CULTURIST’S MANUAL. be done with the greatest care, with the view of causing as little injury as possible to the plant, of preserving itin good condition and proper vigor, so as to satisfy the voracity of our precious in- sect. It is essential that all the leaves should be pulled off; for, if any remain on some branches, they attract the sap, whilst the naked branches are incompletely nourished. Begin by pulling the leaves of the hedges, if you have any, then proceed to the young trees, whereby the latter gain time to come into fresh leaf, and the sooner, in proportion as the leaves of the old- er trees are more fully grown, more nutritious, and more suitable to the worms in their progress and advanced ages. The stripping of the leaves _ should not be begun before the disappearance of the dew, and ought to be ended before the setting of the sun. The hand should move from below upwards, in order to avoid pulling off the - buds, and an inverted force and direction that might pull off the eyes and break and mutilate — many parts. It is never proper to climb upon a tree which is not strong enough by age or by nature; for the motion is more injurious than the ad- ditional weight; the best way is to use the double wheelbarrow, or step ladder. The bags employed to contain the leaves should have a hoop at the mouth to keep them SILK CULTURIST’S MANUAL. 53 open, and be furnished with a hook, that they might be hung on the branches; when filled another should be at hand, and care taken to keep them sheltered from the sun. Mulberry leaves are frequently much soiled in summer with what is called honey-dew, a viscous matter. This is a phenomenon not yet accounted for; it results from insects, from the plant or from the clouds. Sauvage, Bonafous, Count Verri, Dandolo, Pitaro, and other eminent agriculturists, have said much about it; what- ever it may be, the honey-dew is poisonous to the silk worms, and leaves, thus stained, should be - thrown away. Rusty or partly dried leaves have not this inconvenience, because the worms either refuse them or they eat only the healthy portion; if wet by rain, they induce disease, and you have to dry them by spreading them in parcels on a clean linen cloth, in a dry and airy room, stir them often with a wooden fork, shake the cloth, and the leaves will soon dry ; dusty leaves must be also cleansed before feed- ing the worms. 7th. OF the diseases of the mulberry trees. Every species of tree is liable to some pecu- har malady; and when the interest of the pro- | prietor is awakened by the value of the object, _ he applies the means of cure already known, or | 6x 54 SILK CULTURIST’S MANUAL. has recourse to some remedy of his own, which he thinks the nature of the case requires. It would be too long to relate here every thing which has been published on the diseases of mulberry trees, we will only expose those most fatal to them, and particularly one which has been observed epidemically ruinous to planta- tions. The following literal translation of a case and cure of that kind, by Count Verri, will at once indicate the nature, the danger, and the treatment; observing, however, at the same time, that the same’ disease may originate from carious or gangrenous spots at the extremities of branches instead of being only confined to the root, as in the following instance. é¢A mulberry which i had planted and taken care of during twenty years, offered all at once, alarming symptoms; the leaves grew small, and the greater part of them withered; others were yellow, and dropped off long before the autum- nal period. ‘There not appearing any local de- fect, 1 ordered the ground to be opened, and — the roots to be searched. I found that a few — had been gnawed by moles, and others were dis- eased. lLhad them all taken off, I renewed the earth, mixed it with manure, and curtailed a little the sound ones. But this was not all, I had © all the branches pruned off except the principal’ ones, which were shortened only, and I made, — SILK CULTURIST’S MANUAL. 55 with a very sharp knife, several deep, longi- tudinal incisions, to the places from whence a thick fluid oozed out, taking care to detach all the black parts. ‘This operation, by facilitating the flowing of that humor, saved the tree from gangrenous ulcers, which would have been sub- sequently formed. All this was done in the month of September, the next year the tree still kept in a hopeful condition, although very weak; but in the next it perfectly recovered its vigor and luxuriant vegetation. I had oc- casion to repeat the same method with several other trees, and always very successfully, al- though this last was done in the month of May. My neighbors, being advised by me, have ex- perienced the same success. Itis unfortunate- ly but too true, that if, in a row of fine trees, one alone be attacked, the next one will soon follow, show the same disease, and die; in which case, having dug up the dead tree, it will be necessary to open a large and deep ditch between that and the next trees, (to intercept contagion,) and all the rest will be preserved.’’ —Verri, pp. 81-2. The malady that attacks the trunk of the tree is soon perceived, and agriculturists have been often alarmed at its progress and its destructive effects. It is a sort of ulcer which breaks forth almost always in the middle of the trunk; rare- _ 56 SILK CULTURIST’S MANUAL. ly on the north side, still more uncommonly on | the east, but usually on the south, or the west side. When the moisture flowing from the ul- cer increases sufficiently to reach, and actually ' | attains the roots, the mulberry tree soon per-— ishes. This disease is attributed to the setting © of plants more than four years old ; for the stem becomes hard and dry in proportion to its age,. and, taken from its native soil, at a more ad- vanced age, is more affected by drought and heat, and thus losing part of its original moisture, receives the seed of future disease. This evil may be obviated by applying the knife, and taking out a circular piece of the bark, sufficient- ly distant from the diseased part, and cleaning the wood by scraping it where it is found neces- sary. A coat of bees wax and turpentine must immediately be spread over the incision, extend- ing it a little beyond the edge of the wound, and, in two growing seasons, the cut will be closed, and the tree will recover its vigor and hardy vegetation. Of the vermin which occasionally infest the mulberry trees, much might be said, but their enumeration would not be here of any use. ‘Bonafous speaks of only two sorts, the Lamia Curculio, and the Lamia Lugubris, the grubs of which settle themselves beneath the bark and the lgneous or woody substance, and which SILK CULTURIST’S MANUAL. 5a ought to be carefully removed or destroyed. Pitaro speaks of the Scarabeus Melolontha of Linnzus, or the Melolontha of Fabricius. These insects, it appears, live several years under the earth, and the roots of the trees are so carefully gnawed by them, that although you take all the precaution to destroy these larve by all and every necessary means in your power, the mul-- berry trees are so damaged that they cannot live any length of time, and must die. These attentions are of vital consequence; for a mulberry plantation contributes largely to the comforts of its proprietor, and when well managed, becomes to him a source of wealth. He will soon feel the all important difference between a healthy and vigorous tree, producing abundantly, and one that is sickly and ae a poor crop. PART II. CHAPTER IT. OF THE REARING OF SILK WORMS. Without going into the natural history of cat- erpillars generally, amongst which is comprised the silk worm ; and as the rearing of silk worms must be in this country a source of industry to a class of people who more particularly need instruction on this subject, it has been thought proper to present at once, to that class, a con- densed view of that mode of raising silk worms, which would best secure the reward of their — labor. The publications on this subject, in this coun- try, appear to be either too voluminous, and too full of details, for the most part of minor importance, or too much condensed to con- tain the principal directions necessary to be attended to. This by no means pretends to ba e perfect or complete work. To endea- vour to convey, in plain and perspicuous lan- guage, the practical knowledge which the au- thor has acquired by experience, so as to en- able the American farmers to undertake the SILK CULTURIST’S MANUAL. 59 rearing of silk worms, and the production of x00d saleable cocoons, with : a reasonable hope of success, is his only aim. The way to be certain of having good eggs of your own breed, will be hereafter shown, but if you are only beginning to raise silk worms, and are obliged to buy your eggs, you must, in a great measure, depend on the hones- ty of the seller, especially if you send for them to a distant country 3 the principal rule to be depended on in this case is, for the buyer to choose the small and bright seed, of a grey co- lour, more or less dark ; "hoe that are white or yellow have been laid by the female without coupling with the male, at least have not been fecundated, and are of course good for nothing ; and those that are brown, shrunken, and very flat are decayed. If you are near the place : where the eggs were bred, you can best dis- \cover their size and goodness, before they are ‘taken from the materials on which they were aid by the moth. Besides the choice of good eggs, some regard is to be had to the climate in which they were produced, so as to buy your veggs from a country which enjoys nearly the ‘same degree of heat, or if any difference is to . ‘be made, they ought to be bought in a country a small degree colder than the one to which Aihey are brought. i 60 SILK CULTURIST’S MANUAL. Being provided with eggs, the next thing to be considered is the time of hatching them, and the best and surest rule for this is, to do it when you observe that the mulberry buds begin to open and spread into small leaves; and it will not be sufiicient to observe this in one or two trees, which may chance to stand in a warm and sheltered situation, but it must appear through the bulk of all your trees, otherwise, though you may have a great number of them, you may be distressed for want of food. Having fixed upon your time of hatching, ob- serve that all the directions which follow, con- cerning the manner of doing it should be atten- tively pursued; experience has demonstrated that the harvest of cocoons depends entirely upon well a managed hatching. CHAPTER II. METHOD OF HATCHING THE SILK WORM. Tue nature of silk worm’s eggs is such, that, like those of other insects, they will, as the weather advances in warmth, hatch of them- selves; but as, in this manner, there would be a great distance of time between those that hatch first, and those that hatch last, insomuch that, as some would every minute be hatching, it would be impossible to attend to collect them together, or afterwards to feed them, on account of their being sick at different times; therefore it is necessary to make use of a heat properly graduated, by means of stoves, in order that numbers may be hatched at one time, and that your whole quantity of eggs may come out at least in two or three days. You will keep sepa- rate the worms of each days’ hatching, and if you can, you will collect them two or three times a day, and feed them by themselves; this is a thing so absolutely necessary, that, without it, there would be no possibility of feeding any quantity of silk worms to advantage, as will be shown hereafter. v4 62 SILK GULTURIST’S MANUAL. Various methods of making the eggs hatch, may be used according to the convenience of the breeders; but whatever method is used should aim principally at this end, viz: of making them hatch, as nearly as may be, together, on account of their moulting or casting off skin, and, as the only thing that will most effectually do this, is an equal degree of warmth, as near as can be attained, and constantly applied till they are hatched, a very simple and easy process to ob- tain such result, will be given. The eggs are spread upon white paper, placed on a clean table, separating each ounce of eggs, and leaving a space of six or eight inches all round each parcel, for the reception of small leaves of the mulberry, which the silk worm ea- eerly seizes on assoonas itishatched. Thistable, of a size proportioned to the quantity of eggs in- tended to bespread uponit, ought to be placed in a room seven or eight feet square, and seven or eight in height, closely wainscotted or plastered on all sides, having a glazed window on the east side, with a fire place, or (still better,) a stove, for the maintenance of a proper temperature. Three tiers of shelves, two feet long and eigh- teen inches wide, with a distance of two feet between the lower and the middle, and between the middle and upper tiers, must be fixed along the extent of two of the side walls. A fire must SILK CULTURIST’S MANUAL. 63 be made in the little room early in the morning, at noon, and at ten in the evening, for three days before the eggs be placed in it, in order that the air and the walls should be made dry and warm. ‘The temperature of the air, during the first twenty-four hours after spreading the eges, must be maintained at from 77 to 78° of Fahrenheit, and each succeeding day the heat must be increased two degrees, till it shall arrive on the seventh dav, at 92 or 93 degrees, and never higher, when the worms will probably begin to make their appearance. ‘This room should be furnished with two large dishes in which water may be poured, so as to offer a sur- face of four inches in diameter, at least; the moisture, which rises very slowly, moderates the dryness which might occur in the stove room. Very dry air is not favorable to the de- velopment of silk worms. Exposed to this graduated heat, the shell of the eggs on the sixth day appears much whiter. It is then that we must be unremitting in our care, turning the eggs every four or five hours, and preserving an equal temperature. Those which put forth before the seventh, or after the tenth day, are delicate and sickly, they should be set aside, and raised by themselves. The heat therefore, _ ought to be graduated with due reference to the climate of the region where the worms are bred, and the temperature in which they have 64 SILK CULTURIST’S MANUAL. been preserved during the winter. This is so true, and so worthy of remark, that if, in the winter the eggs have been kept in an atmos- phere of 55 or 59°, or heaped together, they come forth without the aid of the stove, sponta- neously, when the room is but slightly warmed, and before the mulberry tree has given any sign of vegetation. This circumstance is, therefore, of essential consequence, and should be noted to prevent its occurrence ; to preserve the eggs in an even and gentle temperature, is there- fore recommended. The following are the signs of the speedy vi- vification of the silk worms: The dull brownish slate color of the eggs grows bluish, then purplish, and then gray, with acast of yellow, and finally ofa dingy white, then the worm is already formed, and with a glass may be seen within the shell. To collect the worms, small twigs of mulberry, with a few leaves on them should be laid on the paper, and they should be increased as fast as the worms come out upon them. Care must be taken not to injure the worms with the small twigs by ’ pressing too much upon them. The worms which may have been managed according to the method here stated, will always be healthy and strong. They will neither be red nor black, but of a dark hazel or chesnut co- lor, which is the proper color they should have. SILK CULTURIST’S MANUAL. 65 Itis impossible to express the practical advan- tage of this method, thus ensuring the constant production of well constituted animals. The appearance of the newly hatched worm is that of a woolly substance, of a dark chesnut hue, in which is perceptible a general stirring of minute animals, raising up their heads and presenting a black and shining speck or head. Their bodies are covered with regular lines of hair, or down, of various lengths. ‘Their brown color is caused by this hair, the skin being whitish, which appears as they grow larger and the hair thinner. The whiteness of the skin is perceptible the moment the worm casts its shell and stretches its head. When seen through a glass, it appears to have a white collar; the tail is also bristled with hair. When carefully following the precepts here given, there will invariably result the certainty of obtaining silk worms, healthy and strongly constituted. _ More particular attention has been bestowed on this circumstance of hatching the eggs, as it is one of the most necessary points in rearing silk worms, yet, notwithstanding the many and minute things which are set down, the prac- tice will be found sufficiently easy. The man- agement of the worms when they begin to hatch, will next be considered. 7% CHAPTER III. — OF THE REARING OF SILK WORMS DURING THEIR FIRST AGES. THE worms, as they hatch, seek and cling to the mulberry leaves; they should be removed as soon as possible, and laid, with the twigs on which they are feeding, on wicker hurdles, covered with paper. In laying the twigs on the paper, care must be had to allow space enough for mulberry leaves to be put over the twigs, and between them, that the insects may have room to stretch and properly distribute themselves. It should be noted here, that the silk worms produced from one ounce of eggs, thus disposed, should occupy a space of nine and a half square feet, taking care to lay the -worms in smali squares of ten inches, which will exactly allow them the space they need until after their first moulting, but those who have the means of extending these allotted spaces may do so, because it is certain that the more room silk worms are allowed, the better they eat, digest, breathe and rest. The first day after coming forth, and the dis- | tribution of the silk worms proceeding from one ounce of eggs, they should be given, in four SILK CULTURIST’S MANUAL. 67 meals, thirteen ounces of single, tender young leaves, chopped very small; dividing the time, so as to allow six hours between each meal, giv- ing the smallest quantity for the first feeding, and gradually increasing that of each meal. Be careful that the leaves be always perfectly dry before you give them to the worms, which may be easily obtained by putting them under cover on a brick pavement, or gravelled floor, turning them over and placing them further where it is not damp, (for they always leave a dampness where they lie,) three or four times a day; you may thus keep leaves three or four days, provided there is no draught of air. Leaves cleansed and chopped very small are more suitable at this age. In this state they bite the leaf quickly, and it is consumed before it can be withered. } If care be not taken to chop the leaves small, and to give the young worms space when they are little, a great number must perish, as they will contract diseases, and lose their equality. The worm that cannot eat, dwindles, becomes extenuated, weak, sickly, and perishes under the leaf. This object, which appears trifling in itself, is however, of great amportance, and deserves unceasing attention. In feeding the worms regularly four times a day, you must manage so as never to give the 68 SILK CULTURIST’S MANUAL. whole quantity at once, as we stated above, be- cause after the distribution of each meal, it is better to observe if some food should not be ad- ded in different spots. As they advance in this early age of their existence, if they consume their food readily and appear eager, it is well to give them a little food at intermediate times. Thus, by much care, and all these appropri- ate and indispensable attentions, we lead this profitable little animal, at the end of five days, exclusive of the two days employed in its com- _ing forth, and being removed and properly dis- tributed, to its first dormant state, which results in the change of its skin. The signs by which it is known that worms are sick and about to change their skins, are these: they hold their . heads up, are motionless, and appear to sleep; this should be noticed. As it is from this age that depends the harvest of cocoons, it is then useful to wait the revivification of the greatest number of the silk worms before they are fed, particularly as these insects, when they cast their skins, need free air and gentle heat more than food. In this first stage, the silk worms proceeding from one ounce of eggs, have consumed six pounds of picked leaves, well sorted and chop- ped very small, viz: SILK CULTURIST’S MANUAL. 69 Ibs. ounces. First day, 13 Second day, Lacs Third day, 3 Fourth day, ) 8 Fifth day, 4 In this first age the temperature-of the room should be kept at 75° and the air be renewed only by opening the door; nothing further is necessary for the thriving of the worms, and their healthy continuance. Second age of the silk worm. Fourteen feet eight inches square of table or wicker hurdles are needed for the accommoda- tion of the worms, proceeding from one ounce of eggs, until the accomplishment of their se- cond casting or moulting. These tables or wicker hurdles, as before men- tioned, should always be covered with strong paper. The temperature in this age should be about 73°. You must take care not to lift them from their litter until they are nearly all re- vived. There is no harm in waiting till they are all well awake and stirring, even should it be for twenty or thirty hours from the time when the few first began to revive. When a great number of worms issue from the sheets of paper where they were placed, it 70 © SILK CULTURIST’S MANUAL. is a sign that they should be removed from their litter, and removing them a little sooner, the others will soon revive also. There are | always good opportunities of taking them up by means of twigs, to which they attach them- selves. If the worms are laid on a newspaper, it is easy to take out the newspaper, lay it ona — table, and transport the worms, which general- ly adhere to the leaves and branches, to ano- ther newspaper, which is put on the shelf after sweeping it. The litter on the former may then be thrown away. Instead of forming small squares, as was done for disposing of the newly hatched worms, long strips should be laid down the middle of the wicker hurdles, so prepared, that by widening them on each side when arri- ved at the consummation of the second age, the whole space of fourteen feet cight inches of the hurdle should be entirely covered by the silk worms, ‘These means for removing the silk worms are the best, and suited to all the differ- ent ages, and the worms thus removed upon clean shelves with fresh boughs, get strong and revived. An hour or two after the worms have been placed upon hurdles, they should be given a meal of one pound of leaves chopped small. In the re- mainder of this day you should give them 2 lb. 8 oz. of chopped leaves, in two meals, with an | | \) | | SILK CULTURIST’S MANUAL. 71 interval of six hours between each, or according to the hours of the day which remain. The second day they will require about 8 lb. of chopped leaves, in four meals, with intervals of six hours, the two first meals less plentiful than the remaining. It is very necessary gra-_ . dually to widen on both sides the strips in which the worms are distributed, that at the close of this day two-thirds of the allotted space should be covered. The body of the worm now acquires a clear hue; the head enlarges and becomes whiter. Should some places be thinly covered with worms, by placing small boughs where the worms lie thick, they will fasten on them, and may then be removed to fill up the places which were not sufficiently covered: the equality of the worms being very desirable, it should be carefully attended to, and those means above stated practiced through all the moultings, and whenever circumstances seem to require them. The third day of this age they will require 8 lb. and 11 oz. of chopped leaves well picked, observing that the two first meals should be the largest. Now the leaves should be distri- buted in proportion as they are wanted, dis- tributing them with attention, because the vo- racity of the silk worm abates towards evening ; and many worms show, by raising up their 72 SILK CULTURIST’S MANUAL. heads, and not eating, that they are approach- ing the period of torpor, and some already are become torpid. The strips should now be widened, so that at least four-fifths of the hurdle should be covered. The fourth day they will require only 2 ib. 5 oz. of picked leaves distributed in the same manner as before, as may be wanted, lightly and carefully scattered over the worms. This day the silk worms sink into torpor, so that the next day they will have cast their skins, and will be roused, and thus will the second age be accomplished. The color of the worm is become of a light grey, the hair is hardly to be perceived by the naked eye, and is become shorter; the muzzle, which in the first age was very black, hard, and scaly, becomes immediately, upon moulting, white and soft, but afterwards again grows black, shining, and shelly as before, the length of its body is now rather more than six lines, and in four days its weight has increased four- fold. As the insect grows, it breathes more freely, its excrements are more plentiful, which, as the number of hurdles also increases in the room, makes it necessary that the room should be bet- ter aired. Should there be no wind or cold in the at- SILK CULTURIST’S MANUAL. 7O mosphere, the door and window may be left open for a little while. In this second age they have consumed 22 Ib. 8 oz. of leaves, viz: first day, 3 lb. 8 0z.3 second, 8 lb.; third, 8 Ib. 11 02.3 fourth day, 2 Ib. 5 oz. | Third age of the Silk Worm. On the first day of this age, 3 Ib. of the small shoots and 33 Ib. of picked leaves chopped rather coarser than formerly, will be necessary. At this age the worms of one ounce of eggs should occupy nearly forty-six square feet of space, on the hurdles or tables which should always be covered with paper. The tempera- ture may be now lowered and is not to be raised above 73°, but should it be higher externally, it may be checked by creating a current of air. Particular care must be taken not to remove the worms from the wicker hurdles, until they have been all nearly roused from their torpid state ; there would be no harm if those first revived should wait twenty-four hours, till the rest are all roused. The following are the most certain signs that the worms are roused: They issue from their old skin with so different an aspect, that any one may distinguish them without the aid of description ; they make an undulating motion 8. 74 SILK CULTURIST’S MANUAL. with, their heads when horizontally blown upon, which is a never-failing sign that they are roused, then a gentle motion of the air through the room does them good, provided the renew- ed air is not colder than their usual atmos- phere. You should allow to the worms in this third age forty-six feet square of space, as has al- ready been observed, disposed in a strip down the centre of the wicker hurdle, so as to leave rather more than a quarter’s width down each side of the strip. The space to be occu- pied by the silk worms, in their different ages, being well ascertained, there will be nothing more easy, more useful, and more economical than to remove, cleanse, and place them in the manner above described. Until their casting is accomplished, you need not touch the worms. Once plased upon the | wicker hurdles, they feed well without inter- fering with one another, and without requiring to cleanse the intervals on the sheet of paper. Their litter does not become mouldy, unless there should be a very unusual and continued dampness of weather, but is of a fresh green color, thinly scattered, nearly dry, and com- posed of the fibres of the leaf, and little por- tions of the leaf fallen from the mouth of the animal. SILK CULTURIST’S MANUAL. 75 The 3 Ib. of young shoots afford the silk | worms their first meal, as in the preceding age; but when they have eaten the leaves upon the shoots, they should havea second meal of about 13 |b. of leaves, carefully filling with them the space between the shoots, in order to equalize - the distribution of the worms upon strips; the last meal to be given this eo will be of 13 Ib. again of leaves. At the end of the second or the third meals, there will be a very sensible change in the silk worms. They are much larger, their muzzle is grown longer, and their color clearer. On the second day they will require 17 lb. of picked and chopped leaves, the smallest quanti- ty given during the two first meals, because, near the end of the day, they grow voracious- ly hungry. Care must be taken to widen the strips when they are fed, in order to allow them room. The third day they will eat 19% Ib. of pick- ed leaves, chopped, and divided in four meals, the two first being the most plentiful. Towards evening their hunger decreases, consequently, the last should be the least meal. This day the silk worms grow fast, their skins whiten, the bodies are nearly transparent, and — the heads are longer. The contortions they begin to make with their 76 SILK CULTURIST’S MANUAL. heads, show that their change approaches. The fourth day they will eat 103 Ib. only, of chopped leaves. The decrease of food is con- sequent upon the diminution of appetite al- ready mentioned; many of the worms are alrea- dy torpid. They should be given four meals, the largest first, and the last the least, those only that seem to require it, should be fed. Should a great number of silk worms on one table be tor- pid, whilst others continue to require food, you must not wait for the regular hours of their feed- ing, but give them a slight meal one or two hours after, in order to satisfy them, and that they may sink quickly into torpor; this care is of con- sequence, and these intermediate meals are very beneficial. : On the fifth day of this age the worms will require 54 Ib. of picked leaves, chopped, and distributed as they are needed, this will be about the quantity, if it is not enough, more may be added, if too much, less can be given. These two last days the silk worms begin to cast about some silk down. ‘The insect seeks free space to slumber in, dry and solitary spots, rearing its head upwards, which is known by finding it on the edges of the paper, where any stalks stick up, upon which it retires. All of them not being able thus to separate from each SILK CULTURIST’S MANUAL. TT other, are obliged to remain upon their litter, but testify uneasiness by rearing up their heads. When on the point of sinking into torpor, they completely void all excremental matter, and there remains in their intestinal tube, a yellowish lymph alone; rather transparent, and which supplies almost all the animal fluid in them. It isthat which, before the surface of the skin they are going to cast, becomes wrink- led and dry, causes them to appear of a yel- lowish white color like amber, and semi-trans- parent. When the worms prepare for the third, and even fourth moulting, the air of the labora- tory should be gently agitated, but the tempe- rature should not be much varied. On the sixth day the silk worms begin to rouse, and thus accomplish their third age. The general view of this age presents the fol- lowing results. ist. They have consumed nearly sixty pounds _ of leaves and young shoots. 2d. Their average length, which was six lines after the second moulting, has become, in less than seven days, above twelve lines. 3d. Their weight has increased fourfold in the same period, and their bodies are more wrinkled, particularly about the head, having no appearance of hairiness. 8x* 78 SILK CULTURIST’S MANUAL. It has been sufficient during this age to open the door and the windows, when the weather was still and fine, so as to lower the temperature by a degree only. CHAPTER IV. REARING OF THE SILK WORMS IN THE FOURTH AGE. Your worms being recovered from their third moulting, will be pretty large, as we have already said, they should, therefore, occupy a space of 109 square feet, and having now arrived to a state of vigor, the temperature of the room should be diminished, by keeping constantly a draught of air, and if the temperature should be rising from 71 to 80°, and the air stagnant, it is recommended to burn some faggot wood in the fire-place, which should be, if possible, sit- uated in an angle of the room, to create a complete current of air, and thus change the air of all the room thoroughly. If, instead of thus acting, when the heat of the sea- son rises suddenly, (which augments the fer- mentation of the litter,) we should exclude the exterior air from the room, we may expose our- selves to lose the whole brood, because, as the worms grow, the mass of leaves and litter in- creasing, the dampness proceeding from it will more quickly produce fermentation, the heat 80 SILK CULTURIST’S MANUAL. would also increase, and the air would soon be not only damp, but pestilential. As has already been said, you should not remove the silk worms, from the hurdles on which they have accomplished their third age, until they are nearly all well roused, because, though the first roused should remain a day ora day anda half before being removed, it will not hurt them ; you will put the early roused in the coolest part of the room, and the hurdles of the late roused in the warmest part. If you do not wish to take so much trouble, it may suffice to give the latest roused worms more space, by keeping them farther asunder; by proceeding thus, they will soon come up to the others. It will be easy to ascertain by the thermome- ter, which parts of the room are constantly the hottest ; this knowledge will serve to render all the silk worms even sized, particularly if those who attend them have any practical skill. Those precautions are indispensable if you wish the worms to begin to spin at the same period, inasmuch as there arises great evils, when some of the silk worms begin too long before the others. We must here repeat how advantageous to the art of rearing silk worms is the practice of distributing them in regular strips and squares which are filled with these insects gradually, SILK CULTURIST’S MANUAL. 8l and only when they have accomplished their various ages. Ist. Because you need not clean the hurdles in the fourth age, the litter which spreads by degrees, not heating or contracting any eflluvia, and not rising much. 2d. Because the leaf, distributed upon even- ly portioned spaces is entirely eaten before it is withered and spoilt. 3d. Because, by this practice the worms can feed with facility, move with ease, perspire and breathe more freely; all decisive advanta- zes for these insects. These advantages cannot be obtained ohew the worms lie too thick ; in that condition they cover the surface too closely, the leaveson which they lie are wasted, as they cannot possibly eat them; while, on the contrary, when they have plenty of room, they seek, in moving, every atom of the leaf and eatit up. Besides, when straightened, the action of their breathing and perspiring tubes is hindered and confined by the pressure, either superior or lateral, of one worm against the other; whereas, if they have full space, the action of these organs, which is so necessary to their health, is very free. The first day of this age they will require about 7 Ib. of shoots with leaves, and 42 lb, of picked leaves coarsely chopped. 82 SILK CULTURIST’S MANUAL. When the moment for removing the worms from the hurdles comes, one or two hurdles on- ly at a time should be covered over with young shoots, which, when loaded with worms are re- moved, as in the first moultings; but, as in this age the worms are heavier, it is recommended to put the shoots loaded with them upon some portable trays; thus the worms will be bet- ter removed, and carried with less inconven- ience. The strips on which the worms are laid upon hurdles, should occupy about half the space allowed them, or 544 square feet. After hav- ing removed all the early roused, if they have eaten all the leaves on the shoots, and should remain without food upon the hur- dies; you will give them 6 1b. of leaves chop- ped a little; with these leaves the intervals be- tween the young shoots should be filled, and form the strips into regular order, by sweeping into their place any boughs or leaves that are scattered irregularly, with a broom made for that purpose; after this second meal, the worms formerly heaped up together, will be seen stretching out evenly. The other 6 Ib. of leaves should not be given until the Second meal has been entirely con- sumed. Although it is not the general custom to chop SILK CULTURIST’S MANUAL. 83 or cut the leaves for silk worms in this fourth age, it has been, however, found very beneficial to give them, coarsely cut up, not only the first day, but also the second and third. The reason is, that when the silk worms are just is- suing from the cast skins, they are weak, and not very hungry; therefore fresh leaves, slight- — ly cut up, by exhaling a stronger smell, stimu- late their hunger, and the cut edges are more easy to bite. The late roused silk worms should be placed on hurdles distinct from the earliest. | At the end of this day, the worms begin to show some vigor; they move quickly to the leaves, they grow perceptibly, they lose their ugly colors, become slightly white, unless they are of that spotted species which the French call tzgrés, and assume more decided animal action. The second day they will consume 33 Ib. of sorted leaves, slightly cut up. The two first meals should be the lightest, and the last the most copious. In giving the meals, the space occupied by the worms should be widened. The third day there will be needed 45 Ib. of sorted leaves, a little cut. The two first meals ought to be the most plentiful, the last meal the | lightest. The fourth day you should give them 51 Ib. ————— es —C— 84 SILK CULTURIST’S MANUAL. of cut leaves, the three first meals should be the most copious, and the fourth the lightest... The worms become still whiter, and at this period are more than an inch and a half Jong. No more than 26 Ib. of picked leaves will be needed the fifth day, because the hunger of the insect diminishes much; the first meal should be the most copious. A great number of the worms become torpid on this day. You will distribute the leaves as they will be wanted, and only on the hurdles where the worms are perceived not to be torpid; they will be this day an inch and three quarters long. The sixth day seven pounds of picked leaves will be enough. It is easy to see where and in what quantities the worms need food. Since the preceding day the silk worms be- gin to decrease in size, as they have cleansed and cleared themselves of all nutritive substances, before they sink into their torpor. The green- ish color of the rings has disappeared, and their skin seems quite wrinkled. On the seventh day of this age, they rouse, cast their skins, and accomplish their fourth age, having consumed, in that period, 173 Ib. of sorted leaves, and 7 Ib. of shoots with leaves, and occupied 109 square feet of space, gradual- ly allowed to them. On that day the worms, which were before SILK CULTURIST’S MANUAL. | 85 about one inch long, have grown half an inch in length, and their weight has augmented four fold. In order to renew and lighten the air of the room, without particularly heating it, dry straw or shavings of wood should be burnt in the fire- places, three or four times a day, having, at the same time, the door and windows opened for the circulation of air; and if the exterior tempera- ture be not cold, and without wind, they may re- main so, ’till the interior temperature is lowered half a degree; thusthe silk worms will breathe continually a pure and dry air, which makes them most healthy. Chobe bys: OF THE FIFTH AGE—FIRST PERIOD. Tuts period embraces the management of the silk worms from their recovery out of their fourth moulting, until they are ready to spin their cocoons. As the fifth age of the silk worms is the:‘long- est, and most decisive, a few practical observa- tions will be given, before resuming the descrip- tion of their daily progress in this age. It is not intended here to give scientific lectures, but to endeavor to make some truths obvious, which the intelligent cultivator may easily put into practice, to protect himself in all cases from those losses to which even a man of experience may be exposed, not knowing those truths. Should the worms die in the first age, the loss is trifling, because the expense is not pro- longed, while, on the contrary, should they perish in the fifth age, the loss is considerable. It is, therefore, very important to know the con- dition of the worms in this age, to learn how to manage them, so as to insure their health and ‘strength against the effects of the atmosphere or other evils that may assail them. SILK CULTURIST’S MANUAL. 87 It is mostly in this age that you will find the advantage of keeping the worms’ on hurdles; for as they will now eat during nine or ten days before they are ready to spin, and will grow very large, making a prodigious deal of litter, they would, if they were kept upon shelves made of boards, require to be cleaned every day, which would be a considerable trouble; but on hurdles made of small reeds which are very dry and light materials, and have vacant spaces between them, the air will have free ac- cess to the litter which sticks and remains among the fibres and shreds of the leaves, and it will not so suddenly become putrid, moist, and mouldy, as it would do if the whole quantity of litter and fibres should he on boards or shelves, which did not admit the air underneath. Any one will appreciate the above recom- mendation, particularly when he knows that as the silk worms grow in the fifth age, they are liable to three evils, which injure them accord- ing to their strength, and to their distribution in the reom, and may weaken them so as to cause their speedy destruction. Those enemies are :— ist. The incredible quantity of fluid disenga- - ged every day from their bodies by the transpira- tion and evaporation of the leaves given to them. 2d. The deadly and mephitic emanations 88 SILK CULTURIST’S MANUAL. emitted every day from the insects, from their excrements, from the leaves and their remains. 3d. The damp hot atmospheric air, as well as - the smothering heat of the coneaneny during the fifth age. These evils injure the silk worms in three ways: ist. The moist exhalations produced by the leaves and the perspiration of the insect, accu- mulate in the room, and tend to relax the skin of the worms; this organ thus loses its elasticity, puts the animal into a state of languor, decreases _ its appetite, alters its secretions, and makes it liable to various diseases, and even to death. 2d. The mephitic emanations issuing from the body of the insect, and from the leaves, render the silk worm’s breathing difficult, destroy its excitability, and produce disease and death. 3d. The dampness and stagnation of atmos- pherie air, increased by the moisture of the room, create a great fermentation in the dung, and consequently, disengagement of heat, which, by destroying the elasticity of the air, renders it so deadly, as, in the course of a few hours, to destroy the silk worms entirely. To these causes of sudden disorders we often have to add another, which proceeds from the silk worms being too closely distributed on the hurdles, particularly in this age. This in- SILK CULTURIST’S MANUAL. 89 sect, as people generally seem to think, does not breathe by the mouth, but by small aper- tures, which are placed near its legs, and which are called stzgmata. ‘These breathing vessels are almost all stopped up and covered when the worms are heaped together, which makes their breathing difficult, and the perspiration also ceases, much to the detriment of the insect. It will be easy to avoid the above diseases, Ist, by evenly distributing the worms in spaces proportioned to their numbers, as has been fre- quently repeated; 2d, by renewing the air, and keeping the cocooneries dry and lightsome by the means already indicated; 3d, by taking care to gather the leaves some time before they are wanted, and when they are wet, to have them thoroughly dried before they are given to the worms; 4th, by keeping the hurdles on which the worms are placed free of all excre-. mental matter; 5th, and lastly, by avoiding or preventing smoke, which may occasion the instant suffocation and death of the silk worms of a cocoonery, particularly should there be any dampness in it, which is unluckily too often the case. These few observations containing all the in- structions needed to put any one on his guard, itis now time to bring the worms to the period when they prepare to rise, and when they re- Ox 90 SILK CULTURIST’S MANUAL. ject the food they had lately so voraciously de- voured. The silk worm comes out from its last moult- ing with a larger head and body, the first wrink- led and the other rather shrunken; the room should have uniformly 68 or 694° of heat, and at the termination of their fifth age, the silk worms should occupy 239 square feet of hur- dles. They will consume in this age 1098 Ib. of sorted picked leaves. On the first day of this age the worms should fill a space of about 994 square feet of hurdles, they will eat a prodigious quantity of leaves, which should now be of the best sort you can procure for them, because it is now that they collect and digest the matter out of which they afterwards form their silk. If you were to open a worm before the fourth moulting, you would find nothing but a watery humour mixed with . the green mucilage of the leaves which they feed on; but when they are somewhat advanc- ed in this last age, you will find in their silk vessels a pale or yellow gum, out of which they form their cocoons. The goodness, therefore,-of their silk de- pending in a great measure upon their being properly fed at this time, care must be taken that their food be, in all respects, as good as can be got; not the soft, tender leaves of shoots SILK CULTURIST’S MANUAL, 91 or suckers, or of a very young tree, but the firmest dark green leaves from your oldest trees, always free from dew or moisture and damp- ness, which would now make the worms drop- sical and kill them. They must this day be fed, first on thirty- six pounds of twigs with leaves, or bunches of leaves, and as soon as these are loaded with worms, they must be taken off, put upon the little portable trays already spoken of, and the litter immediately removed. The hurdles must be cleaned every two days during this period. It must be so managed, that the worms should cover rather more than half the space which is allotted to them this day, (994 square feet,) and that there should be a void space in the middle of each hurdle of about half its width. If after cleaning the hurdles any worms should be found awake on the litter, by putting some leaves they may be taken off like the others. Should some after this, remain still in torpor, they must be cast away. The fresh leaves should now be disposed in a longitudinal band, with a vacant space to be occupied by brushwood: arches in ten or eleven days from this, as will be hereafter ex- plained. : The thirty-six pounds of twigs and leaves on which the silk worms have been first removed, 92 SILK CULTURIST’S MANUAL. furnished them with an abundant meals; and you should now divide eighteen pounds of leaves more into two meals, which should be given them at the interval of six hours. In giving the first meal, care must be taken to regulate the strips on the hurdles, by sweeping any straggling leaves or worms into regular or- der with the little broom. At the third meal, that is to say, when you distribute to the worms the remaining nine pounds, you may widen again the strings a little more, and should there be too many worms in some parts, they should be removed instant- ly, and placed on the least crowded parts of the hurdles. This day the worms appear tolerably strong. Attend to the temperature, which, if too high might exhaust their vigor, and diminish the quantity of silk. Wiuth rare exceptions the season now Calls often for a pure, cool, and re- freshing air to relieve and comfort all kinds of animated beings. Silk culturists agree, that if the dryness of the atmosphere should be such as to affect our own feelings, the floor of the co- coonery should be sprinkled with water, and buckets of water be kept there, which will af- ford a salutary moisture by exhalation. Let us not, however, expose the worms to an opposite extreme, which would, no doubt, retard their SILK CULTURIST’S MANUAL. 93 last urgent task, or prevent them from filling well their cocoons. The second day the worms will consume fifty-four pounds of sorted leaves, divided into four meals; the first should be the least, and the last the most plentiful. In distributing the food the strips should be widened gradually; at the close of this day the worms are much whiter, and considerably de- veloped. The third day they will require about eighty- four pounds of sorted leaves. The first feed should be about fifteen pounds, the second and third of twenty each, and the last of about thir- ty pounds. ‘They continue to whiten and many appear upwards of two inches long ; they could eat, on this day a larger quantity than here speci- fied; but it is most beneficial not to add to this quantity, that they may thoroughly digest it; be- sides which, it strengthens their constitution, and makes them livelier. The strips they oc- cupy should be widened whenever they are fed. The fourth day they will want one hundred and eight pounds of sorted leaves, the first feed should be the smallest and the last the largest; their voraciousness seems to increase; they grow larger and stronger; some are two inches and _ahalf long. _ The fifth day they will consume one hundred | : | | } 94 SILK CULTURIST’S MANUAL. and sixty-two pounds of picked leaves, you will distribute to them in the same proportions as the preceeding day, the last meal always the most copious, and if necessary you must not con- fine them to four meals, but must take care that they get some intermediate food; when the regular distribution of leaves is devoured in less than an hour and a half, the worms must not be suffered to fast four hours, but have some leaves in the interim, particularly if there should be any hurdles on which the worms had not been at first as well fed as the others ; for. al- though the quantity of food has been fixed for this day, it is always HS to be regulated by experience. In the course of this day the hurdles should be cleaned. — If the litter isdry and fresh, the worms should not be shifted till the evening, or the be- ginning of thenext day. The following manner is employed to clean the worms at this period. You will place a line of fresh leaves the whole length of the hurdles near the worms, to which they will immediately attach themselves ; and as soon as they get on the new leaves, the litter they have left can be swept away, and re- moved from the room. During this operation, if the exterior air be damp, which would indicate that of the laboratory being still more so, there should be burnt light blazing fires, and if this SILK CULTURIST’S MANUAL. | 95 should raise the temperature too much, it may easily be lowered by opening the doors and windows. On the sixth day the silk worms should have 195 lb. of picked leaves, which you will divide in five meals, the last of which should be the most plentiful. ‘The worms now eat most vora- ciously, and some even attack the mulberries which are amongst the leaves. If, after having distributed the leaves, the quantity appears insuflicient upon some hurdles, or if it has all been devoured in an hour, you should add an intermediate meal. Knowing the quantity of leaves to be given in this day, it is easy to distribute them either into four or five meals, as may best appear to suit the worms. The shelly black shining proboscis placed at the extremity of the muzzle is become stronger; it is in this proboscis that are placed the small saws which tear and separate the hard leaves, and even the fibrous parts of the leaf. Some of the worms are now three inches long, they are whiter, they present to the touch a soft velvety surface, and are strong and healthy. Take care to give more food to those which have been last removed, and allow them more space, and they will soon equal the earliest in sige. They will require on the seventh day,.one 96 SILK CULTURIST’S MANUAL. hundred and eighty pounds of well sorted leaves. The first meal should be the largest, and the others should diminish; should there be any in- termediate meals wanted, they must be given as before. ) ~ Some worms will now ab seen upwards of three inches long, the extremity of the insect _ begins to grow shining and yellowish, which shows they are approaching to maturity. Some of them begin to eat with less voracity. They have now attained their utmost growth, being upwards of three inches long, and an inch and a half round, nearly. Towards the close of this day they begin to lose size and weight, because from this time they take less food in proportion to the quantity of excrement and steamy vapor which their bodies discharge. We shall continue to observe them as they decrease, as we have done while they were in- creasing. They are at present in their highest condition. They must have on the eighth day, one hun- dred and thirty-two pounds of well sorted leaves. The proportion of leaves must diminish, as the appetite of the worms decreases much. The leaves, as usual, should be divided into four meals, the first being the largest, and gradually diminishing. In order to bring on backward worms to ma- SILK CULTURIST’S MANUAL. 97 turity, some intermediate food should be Sabie according to their wants. ‘They now advance towards maturity, which may be perceived by their yellow color, which increases from ring toring. Their backs begin to shine, and the rings lose the dark green color that marked them. The advance to maturity is also denoted, in some of them, by the diminu- tion of their bulk in the course of this day; and by their trying to fix themselves to the edges of the hurdles, to void the substance with which they are filled. This day, and as speedily as possible, accord- ing as the signs of maturity increase, and as the litter gets moist, the hurdles should be cleaned in the manner before described, being very careful not to bruise the worms. It is now that light fires, and the purification of air are more essential than on any former change, _ particularly in a large laboratory. On theninth day distribute to the worms nine- ty-nine pounds of leaves,as may be wanted. On. this day their yellow hue grows deeper, their bo~ dies will be of an ivory color and polish, somewhat transparent towards their necks with a little of a golden appearance. The muzzle is become of _ abrighterred than it wasin the beginning. From _ time to time a gentle fire should be lighted, parti- _ cularly in the night, and the air entirely renewed. 10 98 SILK-CULTURIST’S -MANUAL. Most of the worms will leave off eating, and before they are ready to spin, they will somewhat lessen in size; but their bodies will feel:more firm and consistent than before. They will begin to desist from eating, and to wander about, stretching out their heads in quest of a place proper to fix in and spin their cocoons. Now although, on account of pre- serving some little order and method, the in- structions for accommodating them at their spin- ning time, are not given till the next chapter, yet it is necessary that you should have looked into that part, in order to have made the suit- able preparations for them some time before- hand; for you would find yourself greatly em- -barrassed to do it when numbers of the worms were to be accommodated, if you had not made some provision before. It may be proper, before we end this chapter, to insert here a table of the rearing of silk worms from one ounce of eggs, taken from the work of M. Bonafous,..a distinguished pupil of Count Dandolo. The only difference between the pu- piland his great master is in the spaces prescribed by Monsieur Bonafous, which are greater than those marked by Count Dandolo. We must here inform our readers that the measures and weights in the following table, as well as those which we have made use of in the SILK CULTURIST’S: MANUAL. 99. progress of our own work, are French, the first, when reduced to American measure, are as follow, fractions omitted : French Feet. Inches. Am. Feet. 9 6 10 19 21 46 02 109 124 239 272 And the quantity of leaves when reduced to American weights, are as follow, omitting frac- tions: : French lbs. Am. lbs. OZ. vt a 12 21 23 4 69 76 9 210 229 8 1,281 1,400 The French foot is divided into twelve inches, and the inch into twelve lines, It is longer by nine lines than the American foot, or one foot 7.100 American, nearly. ‘hose who intend to regulate the spaces by the rules of either Dan- dolo, (which we have followed,) or by those of Bonafous, may easily do so, by noting the di- | mensions of each hurdle or feeding frame. The dimensions of Count Dandolo may be considered as a minimum, or the least that can be allowed, to secure the health of silk worms. It cannot be too often repeated, that the constant rule to be attended to, is to give the worms ample space, and never to permit them to be crowded. 100 SILK CULTURIST’S MANUAL. Table of the rearing of silk worms to iin ole Temp’ ture ; Quantity of Total of AGES. — | orm: on|h™'Seale. | leaven. | deen ager frames or hurdles. Ft. in. lb. oz. Ib. (1st day) 60 14 2d do ia ny oH First Age< Sd.ido -| 9 6 {75° ES Sh AN Oats ” 4th do | ee ccs | sth do J LO. 6) (Ast day) ( 4 “ Sec. ge< 2d do > 19 73 to 75° |< 6 12 > 9 3 | 3d do Le Sil \4thdo J Lis aA) ist day (uot [2a do | 21 q 3d de 22 8 Th'd Ages finde pj 45 [71to78° 4 39 8 + 69 | 5thdo | LG. Sl 6th do /) , (rence) Ist day) | G23 a ta 2d do 39 3d do o | 52 eS | th Age< 4thdo +109 68 to 71 Ge) Zh Sie lish do 29.4 4 f 210 6th do 6:19 L7thdo J y) (1st day | (420) 2d do 6 10 3d do LR @) 4th do 1301's A 1 5thdo | }185 8! Fifth Ages Gthdo 7.239 , 168 to 69° | 293 OF} 4,987 7th do 214. 0 8thdo 150 0 Sthdo | 120 14 (10th do) L 56 4) SILK CULTURIST’S MANUAL. 101 the sixth age, from one ounce of eggs. OBSERVATIONS. Tender young leaves chopped fine ; four meals, progressively increased. do - do do the first the largest, the last the smallest. do do . do four meals. The first meal of 9 oz., the others less, if the leaves have not been eaten. Tender leaves, chopped finee Worms casting their first skins. Half tender branehes and half leaves, cut fine; the first meal twelve ounces, the other leaves in two meals. Tender leaves, four meals; the two first less than the two last. Enlarge the spaces. do do the two first the largest. do do distributed as wanted. Worms casting their second skins. Half tender branches, half leaves a little chopped; second meal 1 Ib. 14 oz. Chopped leaves four meals ; the two first less than the two last. Enlarge the spaces. do do the two first the largest. do do do do the last, least. do do distributed as required. The third casting of their skins. de do do do Worms are roused. ® lb. of branches, 14 Ib. of leaves, cut coarsely; give the branches first. Leaves coarsely cut, four meals; the two first the smallest. Enlarge the spaces. do do three meals ; the three first the least, the last-17 Ib. 4 oz, Whole leaves, four meals; the three first 16 lb. 4 oz. the Jast 10 1-2 Jb. Picked leaves distributed as wanted ; the first meal the largest. do do do do Worms prepared to cast their skins, Leaves 2s wanted. Worms are roused. Half branches half leaves. EnJarge the spaces. Pieked leaves, four meals; the first the smallest, 12 Ib. the last 22 Jb, do the first meal 22 Ib. the last 27 Ib. 12 oz. do do -—. 27 Ib. 12 02, the last 37 1-2 Ib.. do do 37 1-2 Ib. the second 46 lb. 14 oz do fuur meals, the last the most abundant. da do the first meal the largest, the rest to lessen gradually. do four or five meals, the first the largest, 46 Ib. 14 oz. de distributed as wanted, Worms approaching maturity. do do do if not enough give more. 10* 102 _ SILK CULTURIST’S MANUAL. The general result of what we have stated is that in the course of about thirty days, in which the silk worms have attained their greatest development and heaviest weight, we may ob- serve the following facts :— Ist. That in their growth they have become forty times larger than they were when first hatched, being then about the size of one line. 2d. That in thirty days their weight has be- come nine thousand times greater, since it re- quired 54,525 young hatched silk worms to form an ounce, (vide Dandolo, chap. v, § 3,) whereas six silk worms, when full grown, are ‘now sufficient. From the ninth day of the fifth age, and the thirty-first of the life of the silk worm, until the completion of its maturity, we shall see, that although they need little food, they will re- quire great care, of which we shall speak in the following chapter. CHAPTER VI. SECOND PERIOD OF THE FIFTH AGE—THE SPINNING OF THE COCOONS. Let us for a while leave the silk worms on the hurdles, to mention some things relative to them, and to show the preparations we should make‘for the accomplishment of their fifth, and in the shape of worms, their last age. This age can only be looked on as terminated when the cocoon is perfect. When the worm has poured out all its silk, and formed its cocoon, it casts its envelope, and becomes a chrysalis. But to form the cocoon, it must attain to this point, viz: of becoming a compound of only two remaining substances, the silky substance and the animal substance. It must then have discharged all the excremental matter contained in its in- testinal tube. It is not only requisite to know the last de- gree of perfection of the worm in order to fa- cilitate the means of forming its cocoons, but also to know all the other operations necessary to insure the cocoons being of a very good quality. The cleanliness of the hurdles in these last 104 SILK CULTURIST’S MANUAL. days of the fifth age, requires great attention to preserve the health of the silk worms. It is with these insects as with all other ani- mals, some are quick in all their operations, others more slow; and it is important to form just observations on these facts. We have seen, in the foregoing chapters, how the worms begin and continue to show signs of maturity. ‘This last day they attain perfection, which may be ascertained by the following in- dications: They crawl on the leaves without eating them, they rear their heads as if in search of something to climb on; their rings draw in; the skin of their necks becomes wrinkled, and their bodies have more softness to the touch than heretofore, and feel hike soft dough. Their color also changes, and the whole body assumes the transparency of a ripe yellow plum. When _ these signs appear in any of the insects, every thing should he prepared for their rising, that those worms that are ready to rise may not lose their strength and silk, in seeking for the sup- port they require. We have now brought the worms to that pe- riod of their lives, at which your labor of feed- ing them ends, for, from the time they are quite ready to spin, they take no more food of any kind, though their lives in different forms last near a month longer, and in cold climates a good deal SILK CULTURIST’S MANUAL. 105 — more. Yet, though you will be eased of the trouble of feeding those which are come to their spinning time, you must, for a few days, till they are all settled in their work, give them a diligent attention. To avoid the loss that aout accrue from de- lay, there should be bunches ready made of small twigs, or common broom, or of clean bean stalks, or, in short, of any bush, or brush wood, free from leaves, dirt, moisture, mouldi- ness, or offensive smell. With these twigs you are to form several long arbours, arched at top, quite across each shelf; the distance between the sides of these arbours, should leave the arch open quite through, so that there may be room to put in your arm, and feed those worms which are not yet quite ready to spin. You should form these arbours so as to have a sort of bushy appearance without being too thick or too thin. But if the making of them be thought too troublesome, it may sufficiently answer the same purpose to place between the shelves branches of broom a little aslant, so that the worms that climb up may run no chance of dropping off, taking care to spread out the branches like fans, that the air may penetrate through all parts, and the worms may work with ease, When the worms are too near each 406. SILK’ CULTURIST’S MANUAL. | other they do not work so well, and form dou-. ble cocoons, whose silk is of an inferior quality. It would be endless to give all the methods: which might be contrived for this purpose, but whatever mode may be adopted, it is always _ desirable that the bushes should be well plac- ed, well arched, clean and light, and not too thick; that as we have already said, the air may circulate freely, and that the worms may work with ease. ; While the silk worms are seeking places to spin their cocoons in, some of them will often wander about the middle of the hurdles, wasting their silk in useless floss. Indeed, if the hurdles are furnished with arched arbours, as recommended, the silk worms will scarcely miss a place where they may readily spin their cocoons; but in large hurdles, that have the twigs only placed round them, you must often look, and whatever worms you find wandering un- der the hurdles, or far from the arched arbours, you must take and place them near the twigs, provided they are ready to spin, and their wan- dering from their food is a sign that they are so; you need not fear hurting them by taking them in your hands; but observe to take them up with whatever sticks to their claws, without tearing it away, for fear of blunting the claws by which they are now to climb. SILK CULTURIST’S MANUAL. 107 As many of the worms will continue to eat for some time after others have begun to spin, you must constantly supply them with the best kind of leaves, sprinkling them very thinly over them, and feeding them often, and this even at night just before you go to bed, and.as early as you can in the morning; for fice quan- tity of silk, and their strength and activity in spinning it, depends now upon their being pro- perly and fully supplied as long as they conti- nue to eat; for which reason, you must give them leaves often, but few at a time, because if they lie under the arbours it is not easy to clear away their litter, which, however, must be done. This operation, although tedious, is easy enough, with the aid of the portable trays; and by carefully putting the silk worms upon them. This done, the litter should be cleansed and the worm gently slided down upon it by slanting the tray. They should, strictly, only be given the quantity of food a may want, and that very sparingly. In sliding the silk worms upon hurdles, they should be placed in squares of about two feet, beginning on the side upon which the arched arbours are already placed, and forming the ‘squares close to them, so that the silk worms 108 SILK CULTURIST’S MANUAL. may find no difficulty in rising upon the bushes ; a distance of eight or ten inches must be left between the squares. In the centre of these squares should be fixed bushes of broom, or small dry boughs, to afford the worms room to spin, and not leave the vacuities amongst the branches too large, because they would waste a great deal of their silk, before they can fix on a proper place ; the size of their cocoons, which is that of pigeons’ eggs, will direct you in this matter. If you find that as many worms have got amongst the branches as can conveniently spin there, then take away those which have not yet mounted, and place them upon another hurdle, with worms which will spin nearly at the same time; for if the worms are too much crowded in the arbours, they will be more apt to spin double cocoons, which having two worms in one, cannot be easily reeled off: therefore, as you look over the arbours, wherever you see two worms begin one common cocoon, take one of them away, and place it in some other part of the twigs. A little before the worms on any stand are ready to spin, you must clean away their litter from all the hurdles, that the stands may be sweet and airy at the time of spinning, and that SILK CULTURIST’S MANUAL. 109 you may not at that time disturb or shake the arbours where they are spinning ; for this would stop and interrupt their work, so that some would desist from making any more silk and the cocoons of others would be ill-formed, and dif- ficult to reel off; therefore you must take care to shake or sin them as little as you can. As you were directed, in feeding the worms, to keep those of the same age on the same hur- dle, so you should also in distributing them as they grow large, always keep them on the same stands, that they may spin at the same time. It is supposed that you have many stands of hurdles. When most of the worms on any hurdles have climbed the branches in order to spin their co- coons, you will generally find some on each hurdle, which are weak and lazy, which do not eat, and do not seem of the disposition of those that have risen, but remain motionless on the leaves, without giving any sign of rising ; these should be collected from all the several hurdles where they lie, and should be put in a dry clean room of at least 73° of heat, where there are twigs or branches prepared for them. As soon as they are thus placed, some will - rise directly, others will eat, and then rise, and so on until all shall have risen. ‘These worms 11 110 SILK CULTURIST’S MANUAL. will soon acquire the vigour and stimulus they want, by being put in a warmer and much drier apartment. Cold and damp weather david the time of their spinning is extremely hurtful; in very cold weather the worms desist from their work; you may see them, while their cocoonsare yet thin, either moving very slowly, or quite inactive ; if you remove one of the cocoons to a warm place, the worm immediately begins to work with activity, and desists again when put in the cold, where, if it continues, the worm at length totally leaves off its spinning, and is changed into a beetle or chrysalis, which is its state in the cocoon before it becomes a butterfly. This interruption, though the worm should resume its spinning, makes the cocoon diflicult to wind off, the thread often breaking; therefore, if this kind of weather should happen, you must ‘make fire in the room, and if the temperature becomes too high, admit fresh air for a little whiie. ‘This inconvenience of cold and moisture will happen chiefly in cold and changeable climates ; but in hot climates you will oftener have occa- sion to guard against sultry and suffocating heat, which can easily be done by leaving the. current of air free on the side where it blows coolest. SILK CULTURIST’S MANUAL. 1ll In large laboratories the great mass of silk worms in evacuating themselves, often soil one another with excremental matter. ‘Moisture, as we have frequently observed, is very perni- cious to these insects, and, if once wet, it checks their transpiration: that alone will destroy their vigour, and indispose them to rise. As fast as the hedges and clumps are formed, the worms that rise on them shed a liquid matter upon the litter and paper, where lie the later silk worms, which increases their languor and listlessness, even supposing the air to be pure; if it were damp, they would be slower and lazier still, so the best is to remove them at once ta a tole- rably warm spot, provided with branches and a few fresh leaves. With this assistance, the lazy worms will dis- tribute themselves in the branches, na: and begin to spin their cocoons. As soon as all the worms are off the hurdles, or have either risen, or been carried away, no time should be lost in cleaning the hurdles, which will be the last time of performing this operation. It is beneficial to carry off, as quick- ly as possible, every thing that tends to corrupt the air, or make it damp. The fifth age is accomplished when the silk worm pours out its silk, and forms the cocoon. 112 SILK CULTURIST’S MANUAL. The cocoon is perfected when it has attained a firm consistence, which is known by pressing it gently with the fingers, the silk worm then casts its envelope and has become a chrysalis ; here ends its fifth and last age. The foreign writers reckon as many as seven ages ending with the dropping of the eggs by the butterfly ; as naturalists, they may be right; as agricultu- rists we think this division unnecessary, and reckon only the ages of the worm while it con- tinues such. CHAPTER VII. OF THE GATHERING OF THE COCOONS, AND THEIR MANAGEMENT FOR SALE OR REPRODUCTION THERE is scarcely any thing, amongst the va- rious wonders which the animal creation affords, more admirable than the variety of changes which the silk worm undergoes; but the curious texture of that silken covering with which it sur- rounds itself before it arrives at the perfection of its animal life, vastly surpasses what is made by other animals of thisclass. All the caterpil- lar kind do indeed undergo changes like those of the silk worm, and the beauty of many of them in their butterfly state greatly exceeds theirs ; _ but the covering which they put on, before this change into a fly, is poor and mean, when com- pared to that golden tissue in which the silk worm wraps itself. They indeed come forth in a variety of colours, their wings glittering with scarlet and gold, yet they are but the _ beings of a summer’s day, both their life and _ beauty quickly vanish, and they leave no re- membrance after them; but the silk worm leaves behind it such beautiful, such beneficial 11% 114 SILK CULTURIST’S MANUAL. monuments, as at once record both the wisdom of the Creator, and his bounty to man. The matter out of which the silk is formed is, while in the silk worm, only a fine yellow transparent gum, contained in two vessels as -thick asa large knitting needle; these vessels Jie close to one another, and communicate with ‘two small orifices below its mouth; on which account it is, that though the silk thread as it is, spun seems only single, yet it is in reality two threads sticking slightly together by their sides from beginning to end, and they may be easily seen and drawn asunder by the help of a microscope, or even Without one. This gum is of a particular species, neither dissolvable in water nor spirit of wine, though they will a little soften it, and it receives its firmness and tenacity immediately upon the silk worm’s drawing it out ina thread, from the air which dries its moisture. , We take this gum to be of the nature of horn melted into the state of a jelly; for the silk vessel, being taken out of the worm and hung up, will, in one day, become quite dry and hard, not differing in appearance from a piece of tough yellow horn, and having the same smell when burned: thus silk is only an excessively fine hair, with some small portion of gum on its surface, such as water can dissolve, and which SILK CULTURIST’S MANUAL. 115 causes several of these hairs to adhere together when reeled out of warm water, and it is this part of the gum which, by its dissolution, oc- casions the waste suffered by the silk in boil- ing; but there is much greater waste than this would occasion when the silk is artificially gummed, as 1s sometimes fraudulently done, to increase its weight, or to make it lie smooth, in order to conceal what has been ill reeled. The silk worm can fix and form its cocoon in any angle, or hollow place that is nearly of the ‘same size with the cocoon; it generally roams about for some time amongst the branches, till, having got a fit place, it begins to work by first spinning thin and irregular threads which are to support its future structure; upon these he forms on the first day, a sort of oval of a loose texture, which is called the floss or tow silk; within this, on the subsequent three days, it will complete the cocoon, remaining always on the inside of the sphere which it is forming; ‘during its work it rests on its hind part, and with its mouth and fore legs fastens and directs the thread. This thread is not directed in con- tinued rounds on the inside of the ball, but is spun in spots forward and backward, in a sort of wavy figure ; and this is the cause why a co- coon, in winding off its silk, will perhaps not turn once round while ten or twelve yards of 116 SILK CULTURIST’S MANUAL. silk are drawn out. This movement has been admirably imitated in the Piedmont reel, as we shall show in its place. At the end of four days at farthest, reckon- ing from the moment when they first begin casting the floss, the worms have finished their cocoons, whose inside is generally besmeared with a sort of gum, of the same nature with that out of which the silk is formed, and which seems designed, where they work in Open air, to protect them from the rain, for the coccon resists the wet so well, assisted by the silk which is around it, that those balls, when first put into hot water to be reeled off, swim on the top like small bladders, not admit- ting the water inside unless they are imperfect- ly formed, or the silk almost.reeled off. When the cocoon is finished, the silk worm being now much shortened and wrinkled, so that the rings of its body appear very deep, it rests a while, and then throws off its skins this may be called the fifth moulting, though not mentioned amongst its others, because it does not interfere with your management: and now, upon Opening a cocoon, you would see the worm in the form of a beetle or chrysalis, in shape somewhat like a kidney bean, but pointed at one end, having a brown smooth skin, with rings, and its skin which it throws off lies in the cocoon with it. | | SS ———— SILK CULTURIST’S MANUAL. 117 In this form it continues according to the dif- ferent heat of the climate. It then throws off the chrysalis skin, which may be called the sixth moulting, and has now the complete form of a white butterfly, with four wings, two black eyes, and two horns or antlers branching side- ways, like two very small black feathers. It then pours from its mouth a tasteless liquid, nearly like that which moistens and softens the envelope which wraps it, and also the strong web of the cocoon in which it is enclosed. You will know the formation of the moth, and its disposition to come out, by seeing one of the ex- tremities of the cocoon being wet; some hours after these signs have appeared, and some- times even in one hour after, the moth will pierce through the cocoon, and come out; therefore, lest you should lose your cocoons in this way, it is necessary that you gather them and that the chrysalis should be killed in those which you have not leisure to reel off before the time of the moth’s piercing them, after hav- ing first made choice of a sufficient number to breed from. The time in which the silk worms finish their cocoons varies according to the weather; ex- perience teaches that strong, healthy and well managed silk worms, will complete their work in three and a half or four days at farthest, 118 SILK CULTURIST’S MANUAL. reckoning from the moment when they first, be- gin casting floss, as we have already said. You may know whether they have finished by shaking gently the cocoons in your hands, for if the chrysalis is loose and rattles in it, it is a sign that they have done spinning, that is to say, all that began to spin at or near the same time with the one on which you make the trial; but in order to be perfectly sure, you may not gather them until the seventh or eighth days are elaps- ed; then begin with those shelves where they spun first, taking the branches and twigs down regularly, and pulling the cocoons from amongst them successively. _ In gathering the cocoons, you should make four different assortments of them, for which purpose you must have four baskets: in one of these, place gently those which are designed for breed; in another put all those that are double, | having two worms in them; in the third put the firmest and hardest of those which are to be reeled; and in the fourth those which are of © a looser texture. Those which are very thin, unfinished, or spotted, may make a fifth sort. Let your choice of those which are for breed, be always from those shelves or arbours where they begin to spin earliest. Choose from these the hardest, particularly when the two extremi- ties are hard, and the web fine; those that are ) } | y “SILK CULTURIST’S MANUAL. 119 a ‘little depressed in the middle, as if tightened by a ring or circle, and not the largest, that vour breed may be strong and healthy. For if you make use of soft and imperfect cocoons, which are the produce, generally, of weak worms, your future broods will degenerate, ‘both in size and vigor, and give you vastly more trouble, and less profit than strong and healthy ones. : In order that the farmer may judge of the quantity of cocoons that it will be proper or ad- visable for him to put aside and preserve for eggs, it is right that he should be told that six- teen ounces of cocoons will produce about one ounce of eggs, and one ounce of eggs, well managed, will produce from 112 to 127 pounds of cocoons of the very best quality—Dandolo. Whether the laboratory be large or small, the produce will always be exactly in the above proportion, and will not diminish, let the season be ever so unfavorable, if the rules we have pre- scribed, are strictly adhered to. To return to the cocoons destined for breed, it may be said with full confidence, that if they are taken from a well managed laboratory, it is need- less to give one’s self much trouble in choosing and sorting them. Several experiments have proved the above fact. If this choice is to be made, it is recommend-. 120 SILK CULTURIST’S MANUAL. ed to select the white ones in preference, and keep the colored ones either for sale or to reel, because the white silk commands always a higher price than the yellow; if you have no white cocoons, then choose the straw-colored ones. Attention should be paid to having an equal uumber of males and females, though there are no certain signs to distinguish the cocoons which are to produce the male moth from those that contain the female; the follow- ing are the least erroneous and best known. The male cocoons, that is to say those which generally contain the male insects, are smaller, sharper at one or both ends, and depressed in the middle, as it were with a rings; the round full cocoons, without ring or depression in the middle, usually contain the female. After the cocoons have been taken down from the bush, those which are intended for eggs should be stripped of any down or floss that may still hang about them, so that the moth may find no difficulty in coming out. Then, as far as you can distinguish them, put the males on one table, and the females on another, that they may not copulate too soon, and before they have discharged a viscid humor of a yellow red- dish color, which prevents their fecundity; they generally discharge this humor in one hour after coming out of the cocoon. Of this opera- | | SILK CULTURIST’S MANUAL. 121 tion, we will speak more at length in the direc- tions about breeding, which will form the sub- ject of the next chapter. The rest of your: cocoons which are to be reeled, must either be reeled off directly, or, must be proceeded with so as to prevent the moth’s piercing them, as you will see present- ly ; for though the silk of those cocoons which are reeled off immediately is said to appear somewhat more bright and glossy, yet there will be no difference in the goodness of their silk from those in which the chrysalis is killed in order to preserve them, provided you kill them in a proper manner; besides, where you have a great quantity of cocoons, it cannot be expected that you should be able to reel off many before the time of the moth’s piercing ; therefore you must be careful in preventing this, which, if it should happen, would be an irreparable loss; and thus, by having all the cocoons in a condition to wind them off at your leisure, you will be able to go the more regu- larly about it, and to reel off their silk to great- er advantage and perfection. Most persons in Europe, where silk worms are bred, do not reel off their cocoons, but sell them to those who make this their business ; and there is no doubt but that all manufactures are the more expeditiously carried on, the more 12 122 SILK CULTURIST’S MANUAL. branches they are divided into; yet where persons who raise silk worms have leisure and conveniency, they will considerably increase the profit if they know how to reel their silk themselves. The sorting and separating of the strong, hard, and thick cocoons, from the thin and soft ones, as above directed, will be of some service when you intend to kill the chrysalis within them, in order to prevent their piercing, for as this is done by the means of heat, the thick and hard cocoons will require to be placed where the degree of heat is greatest, that it may penetrate more effectually through their thick and hard substance. There are three methods of suffocating the chrysalis in the co- coon : first, by the ardent heat of the mid-day sun; second, by the heat of ovens, such as they have after the bread has been drawn; and last- ly, by the steam proceeding from boiling water ; in the first and third of these methods, there is no danger of the heat injuring the silk, fand therefore they are to be preferred when con- venience permits. In order to kill the chrysalis by the heat of the sun, lay the cocoons on a linen or cotton sheet, but not too close, or one upon another, and expose them thus to the heat of the sun in open air, when it is perfectly dry, from 11, A. | | 7 4 } SILK CULTURIST’S MANUAL. 123 M. to 4, P. M., wrap them up carefully in the linen in order that the heat may the better pro- duce the intended effect, and put them for the night in a very warm place; renew the same operation during four days, in that time there is no doubt that the moths will ne killed, par- ticularly in warm climates. The heat of an oven, such as it is after the bread has been drawn, will generally kill them ; but this requires nicety and attendance, for if it is too hot, or if they remain there too long, it will scorch and injure the silk, and if too cool the chrysalis will recover; the cocoons should be put in long flat baskets, lined with coarse paper, in order that they may not be burned by touching the sides of the oven; the oven’s mouth should be well stopped, and in about an hour after they have been there, it will be time to take them out, and sooner, if upon listening you hear a small crackling noise come from them; after taking them out cover them up in blankets made hot, and when they are entirely cooled, expose them to the air or to the sun, because the heat of the oven will make some moisture ooze out of the chrysalides which are killed, which should thus be dried up, lest it rot or injure the silk; it is neces- sary to pick out the cocoons spotted by the burst- ing of the chrysalis, which would communicate 124 SILK CULTURIST’S MANUAL. their infection to all those that may be near them. | The third method of killing the chrysalis, which is by the steam of boiling water, is pre- ferable to either of the others, as 1t performs | the work without any injury to the silk, and also with certainty and expedition; it may be done in the following manner. Have a broad but shallow wicker basket not made too tight, and of such a size as will fit and go into a kettle or boiler; it should be of such a depth as you find by experience that the steam can penetrate through the heap of cocoons; it should also have a wicker cover, to shut over the cocoons which are put into it. Having filled it with cocoons, shut the cover and let it down to within an inch of the hot water, then cover it with a blanket in order to concentrate more of the vapour, and by thus increasing the heat bring the operation sooner and more effectually to a close. After it has remained in this situation five or six minutes, which is sufficient to kill the chrysalides at the bottom of the basket, take it out, and turning it upside down, fix it in the same manner as be- fore, over the steam; five or six minutes more will be sufficient to kill the chrysalides of those cocoons which were before uppermost, but now next to the water. Thus, when they are sufli- SILK CULTURIST’S MANUAL. 125 ciently steamed, pour them out in a heap on a blanket, made very hot, and wrap them up close- ly (but not so as to crush or flatten them, which is of the greatest importance,) that by this con- tinued heat you may be more certain of having killed the chrysalides; then fill the basket again and proceed in the same manner until all your - cocoons are steamed. When the cocoons are cold in the blankets in which they are wrapped, they should be spread in the sun, or in an airy place to dry any moisture which they may have gotten from the steam of the boiling water. Ifthe weather is not favourable for drying them out of doors, you may do it by spreading them on the wicker hurdles, where the worms were fed, at the same time opening the windows, that the air may have a free passage; when thoroughly dried, they may be conveyed in baskets to send them to market, or deposited in a place protect- ed from dust, and filth of flies, or rats and mice, . which will gnaw and destroy a great many for the sake of the chrysalis. Having thus brought your cocoons into such a state that you need not be anxious about any mischief happening to them, it is time to give some attention to those which were separated for breed, the method of managing which we shall now proceed to explain. 12* CHAPTER VII. OF THE CHANGES OF THE SILK WORM, THE COUPLING OF THE MOTH AND THE GATH- ERING AND PRESERVATION OF THE EGGS. Enclosed in the new habitation which nature has taught him to provide for himself, the silk worm undergoes various changes. His first metamorphosis is into a chafer or beetle, a kind of scarabeus, to which naturalists have given the Greek name of chrysais, and in the plural number chrysalides. His next change is into a little white butterfly which we call the moth, and is sometimes called by silk culturists the muller, from its color. In this last shape, after a longer or a shorter time, he breaks through his silken prison, again breathes the external air, couples with his female and dies; the female also dies soon after laying her eggs, which may be preserved for a long time without perishing, and at last being hatched by natural or artificial heat, the little animal comes out, not in the bril- liant form of its parents, but in their original shape of a silk worm, destined to go through the same labor and the same changes. ‘This is one of the most wonderful works of the Almighty; the SILK CULTURIST’S MANUAL. 127 same creature is successively a worm, a beetle, and a butterfly, in appearance different species and yet the same animated being. We shall - not follow here the learned: philosophers, who have attempted to explain these operations of the divine will, by chemical affinities and other scientific notions. ‘This work is merely prac- tical, and we leave it to others to penetrate in- to secrets which we believe inaccessible to the limited powers of the human mind. Having thus briefly noticed the various chan- ges of the silk worm, we shall now follow the dear little butterflies through the short period of their lives, and show the manner in which they ought to be managed, and their valuable eggs gathered and preserved for reproduc- tion. There is nothing of greater importance in the management of silk worms than that of ob- taining a strong healthy breed, whether you re- gard the trouble which it will save you in feed- ing, or the advantage of their silk. Every method therefore, which improves the breed is carefully to be attended to; for when you have once got a good kind, you may easily keep it such, but if you let your worms degenerate and breed promiscuously, the weak with the strong, in a short time you will have-none fit to raise a good breed from. 128 SILK CULTURIST’S MANUAL. We have already given directions how to make choice of such cocoons as are proper to breed from, the next thing you must expect to see is the coming forth of the moth. The time of its coming out is various, according to the warmth of the season and climate. If the co- coons selected to produce eggs are kept in a temperature of 66°, the moths begin to be hatched after fifteen days; if they are kept in a heat between 71 and 73° degrees they begin to come forth after eleven or twelve days. This law is for the most part general, though there are some exceptions 5 it is however a sign that the moths are about to come forth when the cocoons are humid or wet at one end, which is that where the head of the moth is situated. The room in which the moths are produced should be dark, or at least there ought to be only sufficient light to enable one to distinguish objects. ‘This is an important rule, and must be carefully attended to. The moths do not come forth in a great num- ber the Ist nor the 2d day; they are hatched chiefly on the 4th, 5th, 6th and 7th days, according to the degree of heat of the place in which the cocoons are kept. The moths generally come out in the morn- ing, and cling with their feet to the outside of the cocoons. SILK CULTURIST’S MANUAL. 129 When you choose the cocoons for breed, we advise putting the males and females on separate tables, because if they were on the same, they would begin to flutter about and couple as soon as they came out, and would hinder that regularity which you should observe in putting them together. You may chance indeed to mistake some males for females, and the contrary, while they are in the cocoons; but this is of no consequence, for when the moths come out they are easily distinguished, the female having its body nearly double the size of that of the male, its color somewhat whiter, and horns not so black, nor so large as those of the male; besides the difference of shape, which in the body of the male is more slender and sharp at the end, you will observe him fluttering his wings with great quickness, and moving about with activity ; whereas the female remains very quiet, and moves her wings very little. When the moths have had leisure to get rid of the humid and earthy matters that load them, take them gently from off the cocoons and place them by pairs, a male and female together, on a piece of smooth woollen stuff, no matter how old or ordinary, about a couple of yards broad every way, or in proportion to your number of moths, and take care to darken the room. 130 SILK CULTURIST’S MANUAL. You may, in thus pairing them, put the strong- est together, and you may quite reject those that are weak, or some way injured, by which means you will further meliorate the breed. Separation of the moths, and laying of the Eggs. In what we have said above, we have sup- posed, when speaking of the coupling of the moths, that the number of males was equal to that of the females; if that were the case, it would only be necessary at the time of their separation, to keep the females, and throw away the males; that, however, is never the case, as there is alwaysan excess either of males or fe- males; in the first instance, you must preserve the females in a spare box kept in darkness, and males which you have separated from their females, must be put to them; in the second in- stance, if there are more males than females, the surplus must be thrown away. When the moths have remained thus coupled about six hours at most, you take them by the wings and the body, and separate them gently, which is easily done; the males may be thrown away as of no further use, unless you happen to have a superfluity of females, in which case you may keep a few of the males, which remain most vigorous to pair with them, having had the precaution to have allowed | SILK CULTURIST’S MANUAL. 131 them to remain with the females, the first time, five hours only instead of six. To preserve the males ina state of vigour till the moment of coupling comes, they must not be allowed to flutter with their wings, but be put in a small box. Before separat- ing the two sexes you must prepare, in a cool, dry, and airy chamber, the cloth on which the female is to deposit her eggs. “Twenty-two square inches of cloth are sufficient to contain on its surface six or seven ounces of eggs. The reason for separating the males and fe- males, and not waiting till they uncouple of themselves, is because the vigor and the life of the females being now of short duration, they should have time to lay their eggs while they re- mainin strength, whereas, if you have left them to uncouple of themselves, they would freqnently not do it in less than two days, especially in the more temperate climates, You should visit the moths at times, while | they are paired, and should bring together those _ that wander out of the way, and those which | uncouple too soon, that is to say, in an hour or | two, that they may pair a second time. ] _ Before the moths are unpaired, whether they | do it of themselves, or by your means, you : should have in readiness proper materials for , the females to lay their eggs on. The fittest | \ 1 i i 132 SILK CULTURIST’S MANUAL. things for this purpose as has been said before, are pieces of the smoothest sort of woollen stuff, this is better than paper or linen; for to these the eggs will stick so fast, that it will give you vast trouble to get them off, which cannot be done without bruising many of them. When every thing has been thus arranged, recollecting that the room should be dry, and all light excluded from it, except what 1s necessary to see what you are about; the moths that have been paired six hours are to be gently separated, the females to be placed on the pieces of the described stuff, one after the other, beginning at the top, and going downwards. This operation must be continued without intermission, as long as you find females that have been paired during the necessary time. . The time must be noted at which the moths are placed on the cloth to couple, taking care to keep those which are placed afterwards separate, to avoid confusion. As we have already said, the time when the greatest number of moths comes out, begins about six or seven o’clock in the morning. Consequently the coupling takes place about nine o’clock, and at three in the afternoon the males ought to be detached, and the females de- posited in the place above described, and left on the pieces of cloth thirty-six or forty hours, without being touched. SILK CULTURIST’S MANUAL. 133 By attending to the above directions, the three following qualities of eggs may be obtain- ed on separate pieces of cloth. Ist. The eggs of the females that have coupled with virgin males. 2d. The eggs of females that have coupled with males who had already coupled with other females. 3d. Those of females, which after thirty-six or forty hours, continue to drop their eggs. On these smoothest pieces of woollen cloth, the moths will lay their eggs, but there is a great difference in the time employed in so doing; and according to their strength and fecundity, the number of eggs is more or less. The eggs stick, to whatever the moth lays them on, by a natural gum with which they are smeared; they are first of a pale yellow color, then greenish, afterwards they grow somewhat red, and in about twelve or fifteen days after being laid, they attain a blueish- grey color sooner or later, as the weather is favourable; and of this color they always re- | main, unless they afterwards happen to be da- maged by too much cold, heat, or moisture in keeping them. Those which do not get this _blueish-grey color, but remain reddish or yel- | low are either unimpregnated or imperfectly , 13 134 SILK CULTURIST’S MANUAI.. so, therefore are good for nothing, as general- ly they do not produce worms. When the season, or the temperature of the room is too hot, that is to say, when it rises to 78° or 80°, or when it is too cold, as for in- stance, 64° or 66°, you will find more or less of yellow unimpregnated eggs, or of a reddish color imperfectly impregnated, the tempera- ture of the room must therefore be kept be- tween these extremes. Whether the eggs be or be not impregnated, or only imperfectly so, they are always of a lenticular form. A little time after their pro- duction, there takes place, in the centre of both surfaces, a depression, which proves thata por- tion of the aqueous part of the egg has been dis- engaged, and that a kind of drying process has been effected. In twelve or fifteen days, according to the different degrees of temperature of the rooms, the eggs undergo almost all the gradations of color mentioned above, and then possess the character of impregnated eggs. All these changes of color come from the fluid of the eggs, and not from the shell, which is almost transparent.—(Dandolo, chap. v.) When all these operations are finished, there is nothing else to attend to, except the pre- SILK CULTURIST’S MANUAL 135 servation of the eggs. We conclude this sub- ject. by observing that at this time, the im- pregnated female, which weighed about thirty grains, in three or four days after having de- posited its eggs, weighs only about twelve grains. When dead and dried up, its weight is only three grains and a half. Preservation of the Eggs. When the eggs have acquired the color pro- per to them in the perfect state, and the cloths are quite dry, it is time to think of the means of preserving them. From the pieces of cloth you can with great ease separate the eggs, in order to preserve them until they are to be hatched in the ensuing spring, or. the cloths may be folded and placed on a net work and attached to the vault or ceiling of a cool and dry place. In this manner the cloths have air on all sides, the mice cannot get at the eggs, © and they are well preserved. ‘They must be inspected nearly every month in the winter, and every ten or fifteen days in warm weather. In all cases the eggs are to be placed in cool, and perfectly dry places, the temperature of which, should not much exceed 65°, nor de- scend below 32°; for moisture rots many of the eggs, and sometimes destroys entire broods; on this account, therefore, those who let them 136 SILK CULTURIST’S MANUAL. be laid on paper or linen, and keep them so all the winter, will have many decayed ones, for paper and linen are both apt to attract moisture. Heat is to be avoided, because it might bring the eggs to hatch before their time; and great cold would be as hurtful to them as moisture. A bedchamber therefore, is a proper place to keep them in, but not near the fire; and if the weather grows warm before the mulberry leaves open in the spring, they should be removed into a cooler place, to re- tard them until there is food for the worms. Observe also, that if the weather is cold or moist when the moths are put to couple or to lay their eggs, it should be done in a place with a fire in it, otherwise a will not lay so many nor so good. If you are afraid that it should freeze where the eggs are stored, a thermometer must be put there, or a little water in a bowl. If the water does not freeze, the cloths may be safely left there. If it is feared that the place is not dry, it may be ascertained by using a barometer, or by putting common salt in a dish. CHAPTER IX. REMARKS ON DIFFERENT VARIETIES OF SILK WORMS. As there exist several varieties of silk worms, and as the term of life of these various species is not the same, and their silk is of different value, it isnecessary to explain those differences, and to examine the advantage or perhans the loss that might arise from rearing any particular sort of silk worms, the result of which may be of some importance. To state this clearly, we shall speak, 1st, Of the small silk worm of three casts, or moultings. 2d, Of the large silk worm of four casts. 3d, Of the common white silk worm of four casts. 4th, Of the common yellowish silk worm of _ four casts. 1st, Of the small silk worm of three casts. The eggs of this species weigh one-cleventh | less than those of the common silk worm, for _ 39,168 of the latter make an ounce, while 42,620 _ of the former are required to make that weight 5 1 | 13* | 138 SILK CULTURIST’S MANUAL. the silk worms and cocoons of this cast are two- fifths smaller than those of the common sort. Experience has shown that these worms con- sume, for each pound of cocoons, nearly as great a quantity of leaves as that eaten by the com- mon sort, and, although smaller when they have reached their highest growth, they devour more fragments of leaves, than the latter, so that in cultivating the common sort, we lose fewer leaves. The cocoons of the small silk worm furnish finer and more beautiful silk than the common ° cocoon, as 506 feet of the single thread or fibre of silk from worms of this species, weigh one grain, while 458 feet only of silk from a cocoon of a worm of four casts, make the same weight. It would appear, therefore, that in these silk worms the silk-drawing tubes are finer. The cocoons of this variety are better formed, and to this is owing the greater quantity of silk which, at equal weight, is drawn from these cocoons, in proportion to that afforded by the common cocoons. | It is evident therefore, that what has been said, tends to show that this variety of the silk worm ought to be cultivated, because those who buy silk, knowing its superior quality, will give a higher price for it. Thus will trade be benefited, and the industry of the cultivator SILK CULTURIST’S MANUAL. 139 encouraged. Besides these advantages there are some others equally important. Ist. These silk worms require four days less of care than the common silk worm. 2d. Therefore, the mulberry trees may be stripped sooner; they shoot faster and resist the cold weather hetter. 3d. They afford a saving in time, labor and money. 4th. They are not so long exposed to acci- dents or contingencies, their life being shorter. Some imagine that as 600 cocoons of this species weigh a pound and a half, and 360 of the common cocoons make the same weight, they eat more than the latter, but experience shows this to be erroneous. The eggs of this species may be found in several parts of France, particularly in the south. - 2. Of the large silk worm of four casts. I reared, says Dandolo, many of these silk worms of a very large quality; these eggs pro- duce larger worms and larger cocoons than the common species; they are only one-fiftieth more in weight ; 37,440 eggs weigh an ounce, whilst 39,168 eggs of the common sort make the same | weight. The worms proceeding from those eggs, 140 SILK CULTURIST’S MANUAL. weigh, when they have attained their utmost size, nearly twice and a half as much as the common worm. ‘The cocoons are in the same proportions 150 of the largest sort weigh a pound and a half, while it requires 360 of the common cocoon to weigh as much. The only advantage they may offer, is that 183 lb. of leaves will produce 14 |b. of cocoons, whilst 203 lb. of leaves are required, to produce 12 lb. of the common cocoon. But this advan- tage is greatly diminished because: 1. The silk of these cocoons is coarser and not so pure 5 this explains the reason why the worms consume fewer leaves; 421 feet eight inches of the silk from the great cocoon, of large worms of four casts, weigh a grain, whilst we have seen that 506 feet of silk from worms of three casts weigh as much, and that it re- quires 458 feet of silk from a common cocoon of four casts, to give the same weight. 2. These worms are five or six days later, in attaining their utmost growth, and in rising, than the common silk worm. 3. Thecultivator runs the chance of stripping the mulberry trees later, and injuring them. 4. The labourers must be kept on longer, which incurs expense. 5. The insects are exposed to more danger and risk, as their life is longer. ) { SILK CULTURIST’S MANUAL. 141 Consequently, this variety and species does not suit climates and regions similar to those of the Eastern States; but they may possibly answer better in warmer States, and in different circumstances. 3. oy. the common white Silk Worm of four casts. This species of silk worms may be reared with advantages; they are in all respects equal to the common silk worms of four casts, but their silk is more valuable than the yellow silk. The whitest cocoons should be carefully selected for the production of eggs. The silk worms that spin white silk deserve the observation and attention of the cultivator. We would particularly recommend to those who rear silk worms for the purpose of reeling - the silk themselves, to cultivate only the small silk worms of three casts, and the silk worms that spin white silk, as preferable to all others, and consequently to choose every year the very whitest and finest cocoons for eggs, to pre- vent the d degeneration of the species. Of the common yellonish Silk Worm of four casts or moultings. This species, though not the best, is the most generally cultivated. Of this kind, however, 142 SILK CULTURIST’S MANUAL. the best are those that form a pale straw-color- ed cocoon, which is preferable to the deep yellow. Although it requires 203 Ibs. of leaves of the mulberry tree to obtain a pound and a half of these cocoons, the cultivator prefers them, for the convenience of always having his own eggs, more from habit, than any thing else. | | | | ! | Ht ) CHAPTER X. OF THE DISEASES OF SILK WORMS. Without reckoning those accidents, already mentioned, by which the eggs become decayed before they are put to hatch, the silk worm during the time of its formation in the egg, that is, during the time of hatching, is subject to accidents and mortality: these have been partly guarded against in the directions given for making the eggs hatch. The silk worm being a robust animal by na- ture, although its life lasts but a few days, it would appear impossible that there should have been written hundreds of works upon the sub- ject of its diseases. If we would cxplain why so much has been said upon this matter, we should find strong evidence that it is because the disorders have been looked upon as consti- tutional, and that it has not been considered that most of them arose from the ill management in rearing they have undergone. This, however, is the real case, want of at- tention and sufficient care is the cause of most of those diseases on which so much has been said and written. If we only manage them 144 SILK CULTURIST’S MANUAL. properly, and do not neglect them, we may be almost certain of never seeing them attacked by disease during the short time they require be- fore they attain the period when they pour out their silk. This precious produce, may be- come one of the most abundant sources of wealth to the United States. The directions we have given in the prece- ding pages should suflice tu preserve the in- sects from almost all the disorders incident to them. This chapter, is particularly devoted to demonstrate the truth and usefulness of the system we recommend. We must here repeat, that whenever our rules are strictly observed, ‘the worms will hardly ever, we would almost venture to say never, experience disease; and thaton the contrary, whenever those are depart- | ed from, they will be exposed to the attacks of those disorders we are going to describe. Too much precaution cannot be taken in or- der to prevent the ill consequence which may arise from an unskilful method of hatching eggs ; for moisture may hurt them as much as an im- proper degree of heat or cold. Some few worms are liable also to die in hatching by not readily getting out of the shell, which, as it is not fixed to any thing, is apt to be dragged after them in their efforts to get out, till growing tired they are not able to ex- SILK CULTURIST’S MANUAL. 145 tricate themselves ; this however, happens to but a few, and those, perhaps, weak worms. But the method in which the eggs must be hatched makes this unavoidable, neither is it of great consequence. It is likely that eggs often are hurt by not being washed, for then many of them will re- main smeared over with that moist substance which the moths cast out a little before they lay their eggs, and this would stop their pores as has been said. It might be well to wash them as soon as they have got their grey color, | before they are laid up. The diseases incident to silk worms after they are hatched, proceed generally, either from their food or the temperature of the air in which they live. Anerror may be made either in the quantity or the quality of their food. We have formerly mentioned the manner of regulating the quantity to be used; to avoid giving them too much, it will be a good and. sure rule if after they have eaten all their leaves, they are left without any food for ten or twenty minutes. But if by any accident they have fasted too long, it is safest to give them sparingly and often for sometime after, and then ef the wholesomest and best leaves. And if they are surfeited by over-eating, let them fast 7 14 146 SILK CULTURIST’S MANUAL. a longer time, and afterwards feed them also sparingly. Silk worms are much more liable to suffer from the bad quality of leaves, than the quantity. The leaves of trees which grow in moist grounds, or in places shaded from the sun, are unwholesome; and those which grow on suckers produced from the trunk, or root, being full of sap and moisture, crude and imma- ture, will produce a most dangerous and fatal disease in silk worms: even by only giving them one feeding, they grow immediately sur- feited, and throw out of their mouths a green- ish liquor, and a clear humour out of the pores of their skin, particularly out of the little point which grows near their tail. This viscous moisture by their rubbing against one another closes up the vents by which they breathe, which are those black specks that appear down each sides and they seldom recover from this disorder, so as to make cocoons worth any thing. It is therefore much better to avoid this dis- ease than to attempt curing it ; however, as all may not be alike infected, pick out those which are in the worst conditions, and if you have a mind to make experiments on them you may. Then make the hurdles of those that remain, clean and dry, and letting them fast two. or three hours, give them afterwards some of the SILK CULTURIST’S MANUAL. 147 best leaves you can select, but few at a time, and gathered a good while before. The mois-- tened leaves, would also be hurtful. Mulberry trees may also have peculiar dis- eases in themselves, which may make their leaves unwholesome for silk worms, but this will be best discerned in the growth of the tree and of its leaves, and the diseases incident to the silk worms, more easily avoided by not using them. Air isthe next thing to be considered, and a number of cases have shown how air af- fects animals, and how, by a variety of incom- parable contrivances, it may best be turned and tempered to the use of life. Silk worms are more liable to be affected by the air, which is perpetually necessary to animals, than by any other circumstance of their lives; sudden changes from heat to cold, and from cold to heat, are very prejudicial to them, and such climates as are much subject to such variations, dangerous to them. These changes, however, can be tempered by art and contri- vances, because silk worms are kept within doors; but putrified air occasioned by the worms being either kept too close, or not having their hurdles cleaned, is apt to destroy great numbers; yet the cause of such distemper is | easily seen; forthe abundance of their litter, and the smell which it spreads over the room 148 SILK CULTURIST’S MANUAL. are sufficient indications that the hurdles want cleaning, and that the room wants a supply of more wholesome air. Indeed, very little con- trivance would keep the room constantly supplied with fresh air, which being a thing of the utmost importance, we shall here mention an easy method of effecting it, founded upon that remarkable property of the air, that when purest, it is always most heavy; and when mixed with vapour, either putrid, aromatic, or watery, or indeed with almost any thing that affects the sense of smelling, it is lighest. Now, in any room where silk worms are fed, if an aperture, about nine inches square, be made in that angle of the ceiling which is far- thest from the door, then will the putrid vapours, occasioned by the litter and the mul- titude of worms, constantly ascend through this aperture, and the pure air will succeed by the door in its place; or rather, if an aperture is made towards the bottom of the door, of the same size with that in the ceiling with a small shutter to open and close as occasion may require; then will the fresh air come into the room with greater advantage, by raising up, and carrying off the foul air above it. . It would. be better if several of these aper- tures were made in the opposite walls of a room, near to the floor and in the ceiling open- SILK CULTURIST’S MANUAL. 149 ing into the external air, they would have this convenience, that you can take the advantage of opening the apertures, which are on the windward side, when the room wants to be suddenly and thoroughly cleared of the foul air. Thus, if the proper cleaning of the worms, and the due admission of fresh air be practised, the diseases arising from dirt and putrefaction will be prevented, so far as they arise from the manner in which people are obliged to keep silk worms in houses; and, unless such cleanli- ness and airing of the rooms be observed, there will be always complaints, (as there are at pre- sent, in the countries which breed silk worms,) of an unaccountable mortality amongst the worms of some persons, while those of others re- main healthy. But the smell of the room will give warning of the danger, and point out the best cure, which is prevention. It is true, indeed, that diseases of the same kind may arise from some peculiar putrified state, or malignancy in the atmosphere, as in hot and moist summers, or in places abounding with mineral exhalations. But then the disease will appear more universal, and will more or less affect all the silk worms in adjacent places; in this case, often clearing the litter away will con- tribute to preserve the worms, as also not keep- 14% 150 SILK CULTURIST’S MANUAL. ing them too much thronged and crowded to- gether. The malignancy of the air may be purified in the following manner. Of all the methods employed for purifying the internal air of the room, and of neutralizing and destroying, in some degree its deleterious qualities, the following is the surest and the cheapest. 7 Take six ounces of common salt, mix it well with three ounces of powder of black oxide of manganese ; put this mixture in a strong bottle, with two ounces of water, cork it well with a common cork. Keep this bottle in any part of the room farthest from the stove or fire place. In a vial, put a pound and a half of sulphuric acid, (oil of vitriol) and keep this vial near the other bottle, with a small cordial glass, and an iron spoon; this is the manner of using it: Put into the small liquor glass, two thirds of a spoonful of oil of vitrol, pour it into the large bottle, and there will issue a white vapour. The bottle should be moved about through the ~ room, holding it high up, that the vapour may be well spread in the air. When the vapour ceases the bottle may be corked, and replaced ; even should there be no perceptible difference between the interior and exterior air, during the fifth age of the worms it is good to repeat this fumigation, three or. SILK CULTURIST’S MANUAL. 151 four times a day, in the manner just explained. Whien repeating the fumigation, the quantity of oil of vitriol poured into the large bottle may be diminished. ‘The bottle may be left open an hour or two in the last days of the fifth age of the worms, and placed here and there in the laboratory, and even on the corners of the wicker hurdles, to diffuse the vapour tho- roughly. This easy method may be employed when- ever on going into the laboratory the air appears to have unpleasant effluvia, and there is any closeness or difficulty of breathing; it is more powerful than all the perfumes commonly used, and produces five advantages in the laboratory. ‘Ist. The vapour, in spreading immediately, destroys all unpleasant efiluvia. 2d. It diminishes the fermentation of the litter, and driés it up. 3d. It neutralizes the effect of all the mias- mata, and deleterious emanations that might af- fect the health of the silk worms. 4th. It revives the silk worms, gently stimu- lating them, because it is composed in a great measure, of pure vital air. 5th. This vapour is not alone favourable to the health of silk worms, but has some effect on the goodness of the cocoon. Care should be taken not to drop any of the 152 SILK CULTURIST’S MANUAL. vitriol either on the skin or the clothes, as it burns, and to hold the bottle above the height of the eyes and nose, when it is open, because the vapour is very searching, and would be dangerous and unpleasant.—(Dandolo, chap. 7.) If you cannot get manganese, nor procure it well pounded, then put ten ounces of nitrate of potash, (common nitre of the shops,) into a bot- tle, instead of the common salt and manganese, used in the former composition, and follow up the other parts of the recipe. The nitre should be quite damp, and a smaller quantity of the vitriol than has been indicated may be pour- ed into the bottle to make the fumigation. The gas proceeding from this last composi- tion, is very similar to the other; it is less subtile, and not so dangerous. It is composed of vital air and nitrous vapour; it quickly de- stroys all animal exhalations which may exist in the atmospheric air. | When silk worms become sick and languish by a continuance of moist weather, it is difficult to relieve them, it being as yet a desideratum amongst inventions, to supply quantities of dry air from a moist atmosphere. Fires may indeed warm the air, and so hinder the bad effect of its dampness 5 but still the air which is constant- ly drawn into a room where there is a fire must be supplied by the atmosphere, and thus bring SILK CULTURIST’S MANUAL. 153 its moisture along with it. Itis best in this case to admit no more external air than is ne- cessary to keep that within fresh. It may also. be of use before you feed the worms, to scatter over them some very dry straw or hay, so thin that they can pass through it, and upon this to strew their leaves, this may imbibe part of the moisture which is in their litter, or on the sur- face of their bodies, and at least it will keep them from lying upon their litter when there is a good deal on the hurdles, and you have not leisure to cleanse them immediately. Silk worms sometimes die during their spin- ning, or after they have finished their cocoons, before they change into chrysalides. The pro- per regulation of heat, cold and fresh air in this case, is all that is in your power by way of pre- vention, and this has been mentioned in its pro- per place. When the worm dies before it has finished its cocoon, it never rattles in it, upon shaking the coccon; therefore such cocoons must never be chosen for breed. Such diseases of the moths as are within your reach, are only janguor in coupling, or in laying their eggs, occasioned by the coldness or moisture of the weather, which indicate warmth and a dry place as the proper cure. Thus a great number of diseases will never appear, 154 SILK CULTURIST’S MANUAL. Ist. If the silk worms are kept thinly spread on the wickers, that they may breathe and per- spire freely. 2d. If the interior air of the room is constant- ly and evenly maintained at the temperature we have recommended. 3d. When the air isnever allowed to stagnate in the room, and it is kept in a gentle, slow motion. 4th. By constantly burning blazes when the exterior air is damp and stagnant, and the inte- rior evaporation superabundant. 5th. When the room is kept light; light being the most powerful excitement to living nature. 6th. By never having the litter liable to fer- mentation longer on the wickers than has been prescribed. 7th. By being careful never to distribute leaves that have not been thoroughly dried. 8th. By using the fumigating bottle when needful, the vapor of which destroys the most noxious animal emanations. These things will be sufficient to prevent the occurrence of any of those diseases. CHAPTER XI. OF COCOONERIES. _ As it may happen that some persons will be - disposed to pursue the silk culture upon a large scale, we will give, hereafter, the description of a building on the model of Count Dandolo, But, as we have already said, we mean princi- pally, to speak of the popular pursuit of it, as the incidental occupation of females of all ages, of children, and of old and poor people; and which, nevertheless, produces great results, as well in regard to the number of worms in- tended to be reared, as to the raw silk to be produced. This popular pursuit requires no special buildings or establishment, which never fail to be expensive. We speak of the culture of silk as an incidental occupation, which can be fol- lowed in any convenient rooms; and we have raised many thousands of excellent cocoons in an upper room in the city of Philadelphia. The rooms ought to be dry, and sheltered from the extremes of cold and heat; as the worms dislike dark rooms, they ought to be suf- ficiently lofty and light. The temperature of 156 SILK CULTURIST’S MANUAL. the climate is therefore to be regarded, so as in hot climates to avoid violent heats, and in tem- perate ones severe colds, and dampness in all. The windows of the rooms in which the worms are kept should be left open, when the weather is fine, (but never when it is windy or when it rains,) so that the air may freely circulate, in order to refresh and clear the place of bad air or smell. ‘These windows, provided they shut close, may be made either of thin canvass, which is best in warm climates, or of glass, oiled paper, transparent membranes, or any other material which will exclude the cold and admit light. No bad smells, such as those of smoke, sewers, or the like, should approach their habitation. Air holes, of twelve inches square, with moveable slides, will be very ser- viceable, and they ought to be made near the ceilings, or under the windows, or at the door, near the floor. The exterior air penetrates - through the lower holes, and carries off through the upper opening, the air which before filled the rooms; the number of these holes must be proportioned to the size of the rooms. Expe- | rience shows that this is the best means of ren- ovating the air of an enclosed place; and in or- der to keep it in general as pure as possible, there ought not to be too many worms ina sin- gle room; their perspiration being very great, SILK CULTURIST’S MANUAL. 157 and consequently, the medium in which they live, is soon affected by this cause. While silk worms are very young, they take up but very little room, and during the first week at least, may be kept in shallow broad drawers, boxes and such like, and that in great number; for a foot square may contain above five thousand of those newly hatched, but as they grow larger, so must also the space that . contains them. Those therefore who have large nurseries of silk worms, should provide a place large enough to hold them when at their full size; a foot square will not contain above one hundred worms conveniently, when they are full grown. With the foregoing conditions, it is no mat- ter what sort of buildings the silk worms are kept in; the barns and other out houses of farmers may be used for this purpose; orin hot countries, occasional sheds may be made, which, in such climates as some of the southern states enjoy, will sufficiently answer the end; for the reader must here take notice, that several cir- cumstances which have been mentioned in the course of these instructions, are rather conve- niences for those that would do things in the neatest manner, than absolutely necessary, and that many of the precautions against cold and wet, will be useless in some climates. Those 15 158 SILK CULTURIST’S MANUAL. circumstances which are absolutely necessary | to be observed, the practitioner will, from his own experience, soon distinguish from those - which are not so material, or which the nature and conveniences of the country determine him to make choice of; and the course of his practice will also make him supply what may happen to have been forgotten amongst a num- ber of minute and various details. CHAPTER XII. EXTRACT FROM THE WORK OF COUNT DANDOLO, ON THE SUBJECT OF THE PRECEDING CHAPTER. ‘It is difficult to imagine how, in the lapse of some centuries, the practice of the useful and precious art of rearing silk worms should have remained in the hands of the ignorant and illiterate. ‘¢ While it is evident that the abundance and certainty of the annual produce of the cocoons rests entirely upon the perfect cultivation of the silk worm during the various periods of its existence, and as it is generally known that these insects are not natives of our climate, and only exist by the care bestowed on them in their domestic state, it can scarcely be credited that there should not yet bea code of sure rules to form habitations suited to their wants, and favorable to their progress, and that silk worms are to be exposed to every circumstance most injurious to their health and well being. ‘‘Tt seems never to have been imagined that four or five ounces of eggs would produce 150,000, or even 200,000 silk worms, that would 160 SILK CULTURIST’S MANUAL. all require room to breathe freely the pure air, and to secrete the substances necessary to life. “A building wisely constructed, upon the fix- ed principles of art, where the air may circu- late at all times, and in all cases, and preserve its dryness, would alone powerfully contribute to the constant prosperity of the animal, and, in course of time, to the abundant production of cocoons of the finest quality. ‘¢When the habitation of the silk worm has been well prepared, an unspeakable advantage has been obtained, and all will probably advance favorably. ’ ‘¢ As we must suppose that many proprietors will have laboratories constructed, so as to in- sure an abundance of cocoons, I will here give a short detail of the construction of a laboratory, and point out a few indispensable alterations and reforms that may be made in the laboratories of tenants and cultivators, which are already built; and these reforms are infinitely to the advan- tage of the proprietors and cultivators. ‘In speaking of these two classes of labora- tories, I must also mention one of the most neces- sary appendages to such establishments, the places required for preserving the mulberry - leaves fresh and good during two or three days, by which means the loss which might occur from being obliged to feed the worms upon wet, SILK CULTURIST’S MANUAL. 161 withered, or fermented leaves, will be entirely avoided. ‘Tf the construction of the building which is to be occupied by the silk worms during their lives is of importance, it may not be use- less. to give a description of the utensils and tools most likely to facilitate all necessary ope- rations which are to be executed. “We shall, therefore, in this chapter, speak : ist. Of the laboratory of the proprietor. 2d. Of the laboratory of the cultivator, or tenant. 3d. Of the proper place for the preservation of the leaves. Ath. Of the utensils. Ist. Of the laboratory of the proprietor. ‘Tt is a certain fact, that men scarcely ever employ capital excepting in the manner most likely to bring in rent, or interest in money, pointed out by habit and local circumstances, with the further exception of the expenses of luxury, &c. ‘‘For instance, if a proprietor purchase fif- teen or twenty acres of-land, which cost him three or four thousand francs, (8600, or 800, ) it is with the view of drawing one hundred and — fifty or two hundred francs from it, (30 or 40.) _ Admitting this position, it is clearly evident, | 15% 162 SILK CULTURIST’S MANUAL. that if we can prove to the proprietor that in employing capital to the amount of three thou- sand francs in constructing a laboratory of silk worms, he would derive more than five per centum, we cannot doubt that he would endea- vor to do so. ‘“To be able to say with assurance, that it is profitable to construct a laboratory for silk worms, I shall make only one observation, which is, that to draw 150 francs from 3000 francs capital employed in erecting a laboratory, it would be sufficient, that the proprietor receiv- ed 90 pounds of cocoons more than he annually obtains in the common manner ef managing silk worms, | ‘‘Are there not, besides, many proprietors, who might arrange, with very trifling expense, such places as garrets, warehouses, &c., so as to be on a good plan for the rearing of silk worms? ‘‘Can any hberai proprietor, who has in- formed himself upon the improvements I have suggested in the art of rearing silk worms, state whether he does not think that from ten ounces of good, well-preserved eggs we may easily draw 150 anid even 300 pounds of cocoons be- yond what may be procured in the bad and or- dinary manner of managing silk worms? | ‘* This interest, derived from such an amount SILK CULTURIST’S MANUAL. 163 of capital, is still very trifling, when compared with the other manifold advantages which the proprietor will derive from the erection of a la- boratory. To be convinced of this, it is neces- sary to observe: ‘‘1st. That the erection of laboratories tends to increase the value of the lands in which they are erected, and from which the leaves are pro- cured, because they afford a greater produce in cocoons, as land which, when well worked and dressed, gives eight for one, is more valu- able than land which will only yield six. 662d, ‘Vhat in uniting in the same establish- ment all the operations relating to silk worms, there is a vast saving in leaves, in fuel, and in labor. ‘3d. That the common cultivators very soon get into the proper manner of managing a la- boratory, when they see the favorable results produced by the prescribed rules, and because they find themselves compelled to act in obedi- ence to the directions of the enlightened per- sons at the head of the establishment. ‘‘4th ‘That as some of the inequalities in the advantages obtained among the common cultiva- tors disappear sooner than others, they will soon adopt the same means that are invariably secure. ‘‘5th. That the proprietor and cultivator as- 164 SILK CULTURIST’S MANUAL. sured of success, will not neglect the culture of the mulberry tree, nor destroy them, as is often done in those parts where the proprietor strips his trees to sell the leaf, in the persuasion that this is more profitable than employing it himself. : ‘6. In short, that the space allotted to the worms is sooner clear and free of them, and may be made use of for other domestic uses. ‘¢ What I have said here will demonstrate the profit resulting from proprietors erecting large laboratories. “My laboratory is constructed on principles which I shall describe, and can contain the pro- duce of twenty ounces of eggs of silk worms, that is to say, might yield 20 cwt. of cocoons, It is about 30 feet wide, 77 feet long, about 12 feet high, and, to the top of the roof, 21 feet. Six rows of tables, or wicker trays, of about two feet six inches in width, may be placed in the breadth of the room, two and two, leaving four passages or avenues between these three rows, two next the two side walls, and two between the wickers. ‘These pass- ages are useful in giving free access to the wick- ers, and for placing the steps in feeding the worms. ‘There should be posts driven in between the wicker trays. which, as I said before, form SILK CULTURIST’S MANUAL. 165 an avenue. On these posts should be fastened little bars of wood, horizontally placed, which support the wicker hurdles; there is, between the two wicker hurdles a space of about five inches and a half, to allow the air to pass freely, and this space corresponds to the size of the vertical posts, which form a line at mi distances down the laboratory. “There are in the building thirteen unglazed windows, with Venetian shutters outside, and with paper window-frames inside ; under each window near the floor, ventilators, or square apertures of about 13 inches, which may be closed by a neatly-fitted sliding pannel, so as to enable you, at will, to make the air circulate, which, entering and issuing, will blow over the whole floor. ** When the air of the windows is not wanted, the paper frames may be kept closed, the Vene- tian shutters, may be opened or shut, according to circumstances. When the air is stil), and the temperature of the interior and exterior are nearly equal, all the window frames may be opened, and the Venetian shutters must be closed, at least the greatest part of them. _. “I made eight ventilators on two lines im the fioor, and im the eciling, placed perpendicu- larly opposite cach other, in the centre of the |" passages between the wicker hurdles. These 166 SILK CULTURIST’S MANUAI.. ventilators had sliding pannels, made of thick glass, to close them and admit light from above, and may also on some occasions be covered with white Jinen; they may ‘be opened or closed, according to circumstances. | +“ As the air of the floor ventilators ascends, und that of the ceiling ventilators descends, ac- cording to the variations of temperature, 1t must necessarily pass through the three rows of wicker trays. ‘«¢ T have also had six ventilators made in the floor, besides those under the windows, to com- municate with the rooms beneath. ‘¢ All these ventilators should open easily when wanted, as they can alone maintain a constant renewal of the exterior air, without the necessity of ever opening the paper window frames, which are within the Venetian shutters. ‘¢] here use thirteen windows, three of which are placed at one end of the laboratory, while at the opposite end there are three doors constructed so as to admit more or less air as may be required. By these doors we are admitted into another hall about thirty-six feet long, and thirty. feet wide, which forms a continuation of the large laboratory, and which also contains wicker tray stands sufliciently raised above the floor to facilitate the necessary care of the worms in the laboratory. There are in this SILK CULTURIST’S MANUAL. 167 hall six windows, and six ventilators under the windows, nearly on a level with the floor, as well as four ventilators in the ceiling. There are six fire-places in the great laboratory, one in each angle, and one on each side of the centre. “JT had a large round stove of about three feet eight inches in diameter, and nine feet two inches high, placed in the middle of the labo- ratory ; it divides the large row of the wicker hurdle stands. “JT use small glass oil burners or lamps that yield no smoke, to light the laboratory in the night. ‘¢ The floor of the laboratory is the only one that is covered with Italian cement (ghzarone,) or stucco; that in the hall is made of bricks, © that in case of necessity the leaves may be dried on it when they are wet with rain, and the eggs after they have been washed in the first process. “‘ Between the hall and the great laboratory, there is a small room having two large doors; the one communicating with the great labo- ratory, the other with the hall. In the centre of the floor there is a large square opening, which communicates with the lower part of the building. This is closed with a wooden fold- ing door, which may be removed at pleasure: 168 SILK CULTURIST’S MANUAL. this aperture is used for throwing down the litter and rubbish of the laboratory, and is also useful for admitting the leaves of the mulberry which can easily be drawn up with a hand pulley ; this same aperture keeps up the circu- lation of air, when the three window frames at the end of the laboratory are open. ‘¢Such is the construction of my great la- boratory, in which I place the si!k worms after the fourth casting or moulting. “Tt is impossible that the air should remain stagnant in it, or that it should ever be damp 5 as this building stands alone, the ventilators must by their different exposure keep the air in the utmost equilibrium, and maintain a mild temperature. Should it, notwithstanding all this, have a tendency to stagnation, the air may be instantly put in motion by establishing great currents and burning blazing light fires in the six fire-places; when fires are not needed, nor the chimneys wanted as ventilators, they may be closed with chimney-boards. ~ ‘Should there be too much draught, the sliding panels on the ventilators that are un- der the windows, may be closed, so as to regulate the air as it is required. The same is applicable to the ceiling ventilators, with this’ advantage, that having a glazed window panel they may be closed and yet give light. SILK CULTURIST’S MANUAL. 169 ‘The stove is only used when the air of the laboratory wants warming, and the temperature raising ; in which case, when the stove warms the laboratory, a column of external air enters continually into a portion of the stove, which is separated from the part in which the fires burn, and from that through which the smoke issues; in this receptacle, when the air is heated, it escapes, through holes perforated on purpose, into the laboratory, and augments both the quantity of heat and fresh air. ‘In different parts of the laboratory I have placed four barometers, six thermometers, and two thermometrographs, to show what is to be done in case of any accumulation of moisture, and of augmentation or diminution of tempera- ture in the laboratory.” 2. Of the Laboratory of cultwators. In speaking of the establishments of the tenants, Count Dandolo gives the following dis- tressing picture : ‘Jn general the rooms appropriated to rear- ing silk worms among the tenants, farmers, and common cultivators, have the appearance of catacombs ; I say in general, for there are some few who, although they may not have all the requisites for rearing worms in perfection, yet 16 170 SILK CULTURIST’S MANUAL. have suflicient care to preserve them from any very severe disease. ‘‘] have found, on entering the rooms in which these insects were reared, that they were damp, ill lighted by lamps fed with rancid oil, the air corrupt and stagnant to a degree that impeded respiration ; disagreeable efiluvia, disguised with aromatics ; the wickers too close together, covered with fermenting litter upon which the silk worms were pining. The air was never renewed except by the breaches which time had worn in the doors and windows.” 3. Of the proper place to keep the leaves of the Mulberry tree fresh and good. It is certain that in this conntry writers ge- nerally have not sufiiciently calculated the advantage and damage, which may arise from the leaf of the mulberry, by its proper preser- vation or neglect, previous to the distribution of it to the worms. Let us hear the Count Tandolo on that important subject. ‘¢The leaves of the mulberry trees, should be laid on the ground floor, or in cellars, slightly damp, and which may be closed, so as only to admit light sufficient to see where to put it, to stir it about, sort, and pick it tho- roughly. ‘These circumstances are indispen- sable: SILK CULTURIST’S MANUAL. 171 ‘¢1st. Because the lower rooms are always cooler than the upper floors. ‘¢2d. Because in damp places the leaf is not exposed to evaporation, which alters and withers it. I have kept it three days in such places as I have described: it diminished but little in weight and was not faded. When it is still very succulent, it should be laid in lay- ers of two or three inches, that it may not alter or ferment. When quite ripe it will keep several days, although the layers be above a foot deep, provided it has been gathered when thoroughly dry. It should, however, be care- fully moved and stirred about every day, that it may receive the contact of the air, and not get pressed down. “‘If in the place allotted for placing the worms, the air ought to be invariably dry, in that destined to keep the leaves, it should be cool, damp, and still. It would be a perceptible loss if the air robbed the leaf of its natural moisture; not so much because it would wither it, as that I consider that natural mois- ture as a necessary vehicle for the various separations and secretions required for the health of the silk worms, and for the perfect deposition of the silk in the reservoirs. Be- sides, nature has bestowed much less liquid or watery substance on the mulberry leaf when ripe, than on any other leaf of any tree. ie SILK CULTURIST’S MANUAL. ‘¢Tf the allotted space for the preservation of the leaf is very damp, it will not alter it, provided it be cool and well closed; it is heat and accumulation that spoil the leaf. It should be so managed that these places should be under or very near the laboratories; there will be found a great advantage in having a good provision of leaves at hand, particularly at the voracious period, called in France (la grande freze ou brife,) in the fifth age of the worm; and this advantage will be felt still more, should there occur any continued rains at that season.” A. Of the utensils required in the art of rear- ing Sik Worms. é¢To execute the various operations which form this art, better and with the least possible expense, ought to be the principal object which those who practise that art should aim at; upon this principle I have thought it might not be without usefulness, to give the names of a small collection of utensils which are not ex- pensive, and yet are indispensable in the execu- tion of the operations which the cultivation of silk worms requires. “This art, has hitherto had no appropriate utensils; each employed whatever came under the hand indifferently. I here give an explana- tion of these utensils. SILK CULTURIST’S MANUAL. 173 Utensils. ‘¢The Scraper.—A sort of long blunt knife. It is used to detach, or scrape the eggs from the wet cloths by introducing it between the eggs and the cloth, aslant ; ‘¢ The Thermometer.—It is used to fix the temperature requisite for hatching and rear- ing silk worms. ‘¢ The Stove.—lIt is intended to warm the la- boratory. It heats much better when con- — structed on the principle of receiving external air, heating it, and then dispersing it in the laboratory. The rarefied air when it comes in hot, is a purifier, as it expels the interior air. The heating the rooms by furnace would be preferable we think, as it would be more easily regulated—besides the apertures through which the rarefied air passes, may be used as ventilators, to admit cold air, when there is no fire in the furnace. “Small boxes or trays for hatching the eggs of the Silk Worms.—There should be some of all sizes, that each ounce of eggs may have a space of seven inches and four lines square. If small they should be made of thick paste- board; and if large, and intended to hold ten or eleven ounces of eggs, of thin board. They should be numbered with very visible figures marked on the sides. * 16 174 SILK CULTURIST’S MANUAL. ‘ Hurdles or trays, or table-stands.—They are used covered with paper—those made with cane, branches, wicker, wood, or basket work, so that it be not close, but so interweaved as to admit of the air being in contact with the paper underneath, which keeps it dry, are preferabie; their breadth should be from twenty-nine to thirty-seven inches, their length from eighteen to twenty-four feet, and they should be of equal sizes, that when put above one another, they may not interfere, or extend out, so as to be inconvenient. “¢ Spoon.—It is made of wood, so as to stir the eggs with care when hatching them. ‘© Hook.—Small instrument made of bent iron, is very useful to take up neatly and quickly the small twigs covered with silk worms from the boxes, to put them on the hurdles covered with sheets of paner. _ Knife-—Constructed so as to cut the leaf easily and small ; when the leaf is cut with the knife, it should be chopped fine, to multiply the particles and edges of the leaf. This is only requisite in the first and second age. Large Chopper.—Is made something like straw-cutter; it is useful in chopping the leaf coarsely, and in great quantity. It is used for the three first days after the third moulting. Barometer.—This instrument is used to aes the Pe CAY of the air in the labora- tory? SILK CULTURIST’S MANUAL. iia We agree with Count Dandolo; we cannot sufficiently urge the use of this instrument to those who rear silk worms, which indicates with so much ease one of the most powerful enemies of the silk worm in the laboratory. It would be desirable to have two of them placed within a certain distance from each other, to ascertain the various degrees of moisture, in different parts of the laboratory. We have omitted, in the above extract, several of the instruments which the Count recommends—we have men- tioned only those which we think most neces- sary. The above descriptions of a large laboratory, will be valuable to those who may hereafter engage in the business upon an extensive scale. It is easy to perceive that the great objects aimed at are convenience, the preservation of a proper temperature, and the free circulation of air in the laboratory. The American farmer must consider these as cardinal points, what- ever may be the dimensions of the building or apartment in which the worms are reared. We repeat its; all buildings are good for rearing silk worms provided there be, in pro- portion to their size, one or more fire:places, two or more ventilators in the ceiling, and on a level with the floor, and one or several win- dows or apertures, by which light may be ad- mitted, and sunshine excluded; whichever of 176 SILK CULTURIST’S MANUAL. these methods may be adopted, the rearing of silk worms will be surely practicable; and by the aid of the barometer and thermometer, it will be easy to neutralize or destroy the in- fluence of cold, heat, wind, stagnant air, a damp and corrupt atmosphere, and the fermentation _ of the litter even may be prevented or arrested. CHAPTER XII. MISCELLANEOUS OBSERVATIONS. Before we pass to the reeling of silk from the cocoons, which will constitute the third part of this treatise—we think proper to give here some general view and application of the facts stated in this work, which are im- mediately connected with the art of rearing silk worms. When an art may become so eminently allied to individual and national prosperity, an author should spare no trouble or labor in order to make the knowledge and practice of every branch of the art clear, plain, and familiar; be-— sides that the facts, when presented together, will make a deeper impression upon the mind, than when they are offered singly. If some of our readers think that many of the things which we are going to state are useless, because they offer no pecuniary results for individual interest, we will answer, that when they reflect upon them they will find that they have more or less connection with those very results which are the DD L7é SILK CULTURIST’S MANUAL. first aim that the cultivator of silk worms pro- poses to attain—a pecuniary reward. In Italy, according to Count Dandolo, it re- quires, 37,440 eges of the largest breed of silk worms of four casts or moultings, to make an ounce, and if all these eggs produced worms, and each made a cocoon, they would yield three hundred and seventy-three pounds, because one hundred and fifty cocoons of this breed weigh about one pound and a half; on the contrary, to form an ounce of eggs of common sized worms of four casts or moultings, 3,168 will be required, which all producing worms, and each worm a cocoon, would yield one hundred and sixty-two pounds of cocoons, becanse about 360 cocoons of this breed weigh a pound and a half; while to form an ounce of eggs of silk worms of three casts or moultings, it will re- quire 42,200 eggs, and if all these eggs pro- duced each one worm, and all the worms lived, the ounce of eggs would yield one hundred and five pounds of cocoons, because 600 cocoons of this breed weigh abouta pound anda half. We have already demonstrated the difference which exists in the quality of silk drawn from the above different species of silk worms; we leave to the culturist to choose between them, It may be easily ascertained from the above SILK CULTURIS1(’S MANUAL. 179 facts, and by the quantity of cocoons obtained, how many worms have died in the various ages, or how many eggs have failed to produce worms; and then this will serve to form an opinion on the various methods of rearing the worms, and to adopt the most favorable to their preservation, There are some other facts not uscless to be re- called in this chapter; they are the following: According to the author above named, it ap- pears that from the time of the moths laying the eggs until they are taken off the cloths, that is to say, in a period of nine months, they lose only about 1-100 of their weight, and that from the days that the eggs of the common silk worms are put into the stove room until they begin to hatch, they lose, on an average, 47 grains per ounce, which is equivalent to 1-12 of their total weight. The weight of the shells of the egys, after the hatching of the worms, amount to 116 grains per ounce, which is about 1-5th of the total weight. Therefore, after deducting the loss of weight of the eggs in the stove room, and the weight of the shells, 54,625 silk worms, just hatched, make an ounce, while to make the same weight, 39,168 eggs were sufficient. Following the same author, we will now give some facts relative to the space which should be occupied by the silk worms, in their differ- me, 180 SILK CULTURIST’S MANUAL. ent ages, and the quantity of leaves consumed by them, with some observations on this last subject. We will show afterwards, the increase and decrease of silk worms in weight and size, and make some remarks relative to the cocoons containing the healthy, the diseased, or dead chrysalis. Next, we will give some facts rela- tive to the production of the eggs, and lastly, some relative to the buildings and utensils. Facts relative to the extent of space which should be occupted by the silk worms in their different ages, and the quantity of leaves consumed by them, with some observations on this last sulyect. As we have already said, the worms proceed- ing from one ounce of eggs should have space as follows, viz: Square Feet. In. In the first age, of OF second age, 14 8 third age, A6 fourth age, 109 fifth age, 239 We would here willingly state the weight of the materials required to form the hedges or cabins sufficient for receiving the worms of one ounce of eggs, that is to say, one hundred and SILK CULTURIST’S MANUAL. 181 twenty pounds of cocoons, but the varieties of brush wood, straw, heath or vegetable sub- stances used for the purpose, differ so much in weight, that the calculation would scarcely be correct, therefore, we will leave this to the sagacity and experience of the cultivator. It results from a calculation made with the greatest exactness, that the quantity of leaves gathered from the tree, which is really con- sumed for each ounce of eggs, amounts to 1614 Ib., as we shall presently show, viz: Ibs. OZ. First age, sorted leaves, 6 Second age, do. do. ae 8 hired ase, do. * de. 60 Fourth age, do. do. 180 Futh age, odo. . ‘do: 1098 et Per oz. of eggs, sorted leaves, 1366 GO (nl We must here give some explanation, not having done so in the course of this work, of what we mean by sorted leaves, that is to say well sorted. Great care must be taken in picking and sorting the leaves for the feeding of the worms in their first ages, such as picking off all the twigs, stalks of the leaves, spots, &c. and to clear them as much as possible from all useless parts. ap 182 SILK CULTURIST’S MANUAL. This operation is most essential in the two first ages, when the leaves are to be chopped very small. In the third age, the sorting and picking the leaves is not of so much consequence, and still less so in the fourth and fifth ages. The sorting and picking is of importance, inasmuch as it enables you to put 15 or 20 per cent. less substance upon the wickers than would otherwise be done, and which the worms do not eat. This substance increases the lit- ter and the moisture, without necessity or mo- tive. In the fifth age, and even in the fourth, when the season is favourable, leaves mixed with a quantity of mulberries, boughs and stalks, may _ be put on the hurdles, although it is known that the worms do not eat them, because at that period it would be too troublesome to sort so large a quantity perfectly, nor is there the same motive todo so. ‘These substances being by this time grown large, hard, and woody, are less liable to fermentation, although they may accumulate as litter. If the laboratories are constantly dry, and well aired, these substances will do no mischief, but keep the litter light, and allow the air to circulate more freely through it. Let us resume our subject. The actual quantity of mulberry leaves gath- SILK CULTURIST’S MANUAL. 183 ered from the tree, and consumed for each ounce of eggs, is, as we have already shown, Ibe 07. 1366 8 But the above quantity of —- — leaves has lost by sorting so much weight in the following proportion, viz: refuse pick- ed from the leaves, First age, Ler ties Second age, 3 Third age, 9 Fourth age, 27 Fifthiage,.. . 102 | co | Refuse picked off, per oz. of eggs. 142 Total of leaves, 1509 During the whole period of rearing the silk worms, the 1509 lbs. of the leaves taken from the tree, will lose by evaporation, and other causes, besides sorting and Bike as above stated, 105 Great total, 1614 Observations on the above facts. From the above facts it follows: 1. That it requires about 13 lb. 7 oz. of leaves to obtain a pound of cocoons, and that 184 SILK CULTURIST’S MANUAL. it requires 1614 Ib. to obtain 120 lb. which an ounce of eggs should yield. 2. That this quantity of leaves gathered from the tree, deducting 142 Ib. 8 oz. of refuse and sorting, and 105 pounds of decrease, by means of evaporation, it only requires 11 |b. © 6 oz. of pure leaf, per pound of cocoons, or 1366 lb. for 120 of cocoons. 3. That if we deduct from the 1366 Ib. the residue, such as little branches, stalks, fruit, and fragments of leaves not eaten by the silk worms, and taken off the hurdles with the litter, the quantity of pure leaf necessary to obtain one pound of cocoons will be still smaller ; and consequently that there is a great loss escaped in gas and vapour, in the labora- tory invisible to the eye, which present strong evidence of how formidable the enemies are which assail the silk worms. _ Although the cultivators in Europe know not the force of the material cause that pro- duces death of their silk worms, they, however, know that in the last period or age, every part of the laboratory should be opened ; but often in avoiding one danger, they meet another, such as exposing the worms to cold and wind, which may harden them, and cause them to drop off at the moment they had begun to spin their cocoons; there is only the gentle and SILK CULTURIST’S MANUAL. 185 continual renewal and motion of the internal air that can be beneficial and natural to the silk worms. | It is considered astonishing, that one single worm which, when first hatched, only weighs the hundredth part of a grain, should consume, | in about thirty days, above an ounce of leaves, that is to say, that it devours, in vegetable sub- stance, about 60,000 times its primitive weight. The result of experience tends to show that in warm climates, the silk worms consume ra- ther less leaf than we have here stated, be- cause it appears that the quality of the leaf is more nutritive. Count Dandolo says, that in the favorable regions of Dalmatia, he obtain- ed one pound and a half of cocoons from fifteen pounds of leaves, and fifteen pounds of cocoons yielded one pound and a half of silk, although he adds that it was not so delicate and fine as Italian silk. Facts relative to the increase and decrease of — sulk worms, in weight and size. 100 worms just hatched, weigh about 1 gr. ‘¢ after the first moulting, iby <* ‘* after the second moulting, 94) )** ‘¢ after the third mouliing, 400 « ‘¢ after the fourth moulting, = 1628 “ On attaining the greatest size & weight 9500 ¢ 17* 186 SILK CULTURIST’S MANUAL. Thus they have in thirty days increased 9500 times their primitive weight. The length of the silk worm when just hatched is about tf line, After the first moulting its lengthis 4 After the second moulting a Ow After the third moulting s PQ e6e After the fourth moulting a 20% |S After the fifth moulting many attain the length of 40 §« The length of the silk worm is thus increas- ed forty times in twenty-eight days. Progressive Decrease. 100 silk worms, when arrived at the highest state of maturity, size, and perfection, weigh 7760 grs. 100 chrysalides, weigh 3900 ¢é 100 female moths, weigh ZIQOE #6 100 male moths, weigh 1700: “¢ 100 female moths having deposited their eggs, weigh 980. ** 100 female moths dying naturally, after having laid their eggs, and nearly quite dried, weigh 350 ¢ In the space of twenty-eight days more, the silk werm has diminished or lost, thirty times itsown weight. Its length, from the period of the largest growth until it changes into chrysa- lis, diminishes about two-fifths. SILK CULTURIST’S MANUAL. 187 During, and immediately after coupling, the moth appears to augment in weight; 100 female moths, which before coupling weighed 2990 grains, weigh immediately after, 3200 grains. The worm diminishes gradually in weight during the last twenty-eight days of its exist- ence; that is from the moment of attaining its perfection as a worm, until its death in the form of a moth, it eats nothing, is supported by its own substance, and yet accomplishes in that period, the most important functions of its life. The facts we have stated demonstrate the strong vitality of the silk worm, and what pains and errors must be adopted to disease and kill it. Remarks relative to the cocoon containing the healthy chrysahs, and those containing the decayed, gangrened or stained chrysahs. When the cocoons are perfectly formed, they diminish in the first four days, three quarters per cent. each day; the other days the dimi- nution is very trifling. 1000 ounces of perfect cocoons are composed, of living chrysalides, 842 oz. Of the remains or envelopes cast by the worms when they become chry- salides, Al Ss Of pure cocoons, 1532 7% Total, 1000 | 188 SILK CULTURIST’S MANUAL. Each healthy cocoon proceeding from a well managed laboratory contains the seventh part, and even 2.13ths of pure cocoon, when com- pared to the weight of the cocoon containing the chrysalis. However, the fact is, that the average quan- tity of reeled silk obtained from the cocoon is about 1.12th, that is to say that 140 ounces of perfect cocoons, with the healthy chrysalides, which contains about twenty-one ounces of pure cocoon, will only produce twelve ounces of spun silk, Let us now connect the facts we have stated. About thirteen pounds seven ounces of mul- berry leaves, will produce one pound of cocoons: seven and a half pounds of cocoons, containing the healthy chrysalides, will yield about eighteen ounces of pure cocoons. and these eighteen ounces of pure cocoons will give only eight ounces of spun silk. The proportion then, between the weight of the mulberry leaves and that of the pure co- coon, is something about 89 5-9 to 1, and the proportion of the weight of the mulberry leaves and that of the spun silk is as 201i to 1. It is proper to add that the proportion between the spun silk drawn from the cococn itself, may vary according to the ill or good management of the worms, and the skill of the reelers. SILK CUL'TURIST’S MANUAL. 189 The proportion between the weight of the cocoons containing the healthy chrysalis which can be spun, and that part called the coarse floss which cannot be spun in the same man- ner, 1s, On an average-nineteen to one; that is to say, we find one pound of coarse floss to nineteen of cocoon that can be spun. Cocoons containing the decayed, Gene or stained chrysahdes. Generally, it is not possible to separate the chrysalides from those cocoons; the worm or chrysalides being turned into a corrupt, black, soapy substance, sticking to the inside of the cocoon. Sometimes the mummy is exceedingly black, and now and then detached, but most frequently it adheres to the cocoon. Part of these cocoons may be spun; the stain does not always alter and spoil the silk, but the Spinners can never be sure of the quantity of silk they may be able to wind from them, and they in general, dislike working on them. The silk drawn from cocoons with diseased chrysalides, is never so fine as that given by perfect cocoons with healthy chrysalides; 860 cocoons of the diseased chrysalis weigh only a pound and a half; thus the cultivator loses two- thirds, or three-fifths, upon this quality of co- coon. 190 SILK CULTURIST’S MANUAL. We must here state, in speaking of these sorts of cocoons, that we have only made our ex- periments upon such cocoons as were brought to us from various places; therefore, our calcu- lations may very possibly differ from those of other observers. Facts relative to the production of the eggs. Three hundred and sixty cocoons of the finest quality, weigh about 25 ounces. If we suppose half of these to be females, these will be about one hundred and eighty. Each impregnated moth weighs about 32 grains, and altogether 5760 grains, which make about 10 ounces. After four, five, or six days, each moth will have laid, on an average, 510 eggs. This num- ber of eggs is equivalent to 74 grains, as 68 eggs weigh a grain. The 180 female moths consequently lay 91,800 eggs, which weigh 1350 grains, or about two ounces and one-third. This proportion of two ounces one-third per pound of cocoons, augments and diminishes, ac- cording as in the 360 cocoons which form one pound and a half, females predominate, and vzce versa. | When the 180 moths have laid their eggs, they weigh only 1800 grains, and as it has been SILK CULTURIST’S MANUAL. 191 stated that the eggs weighed 1350 grains, it will appear that the moths have lost 2,610 grains, in earthy, liquid, and aeriform substance. If the 91,800 eggs, obtained from 180 moths, yielded an equal number of silk worms, and that, well managed, they each, in time, formed a cocoon, from the eggs produced by the above mentioned 1: lb. of cocoons, we should obtain 382 Ib. 8 oz. of cocoons, which the following year would yield eggs suflicient to produce 97,537 lb. 8 oz. of cocoons. Facts relative to the buildings and utensils. = To make the laboratory of the silk worms similar to their native climate, they must be enabled to live in it perfectly free from all moisture; the temperature should neither be too hot nor too cold, and, above all, they should never be exposed to sudden transitions from one state of atmosphere to another; the air should always circulate gently. A warehouse, a cellar, or any other low, shady, close place, is best calculated for the preservation of the leaves during two or three days, provided it be cool, damp, and shut from air and light. The utensils employed to rear silk worms, are constructed so as to spare time and expense, and for the better management of the silk worms 192 SILK CULTURIST’S MANUAL. and the eggs at all times. The interest of the cultivator, and the progress of the art will soon make the rules which have been laid down, very useful, PART Iii. OF THE PREPARATION OF RAW SILK FOR EXPORTATION. CHAPTER T. PRELIMINARY OBSERVATIONS. Ir is not enough to plant mulberry trees, to raise silk worms and produce cocoons. The cocoons must be either disposed of by sale or employed to some profitable use. They can only be sold in the country where they are produced, because they will not bear the ex- pense of transportation, and they cannot be exported beyond sea, because in the first place, they are a bulky article, and cannot be pressed, like cotton; the freight, therefore, and other expenses attending such transporta- tion, would exceed their value, and secondly, they are subject to rotting in a sea voyage, be- cause of the dampness of the sea air, and the decomposition of the chrysalis within. For these reasons, it is indispensable that the cocoons should find aready market in the coun- 18 194 SILK CULTURIST’S MANUAL. try where they are produced. ‘These markets: are filatures, or reeling establishments. Before silk can be employed in any kind of! manufacture, it must be subjected to two differ-- ent mechanical processes, which are reeling: and throning. Reeling, or as it is also called spennzng, is no- thing else than extracting and winding off the silk from the cocoons, in threads of various thickness made up into skeins so as to fit it for exportation, or for sale in the markets at home. When it has undergone this process, it is called saw silk, and as such is in great demand among the manufacturers of Europe. It is performed by means of a cheap machine called a reel Throwing is the name given in England, to what we call here twisting silk. It is performed like the twisting of cotton, by means of very complicated and expensive machinery. This part of the silk business is done in Europe by men who follow it exclusively as a trade or profession, they are called sek-throwsters. Several of them have already migrated from England into this country, and more will follow as soon as it will produce a suflicient quantity of ‘yaw silk to give them employment. As this branch of the business does not be- long tothe silk culturist, we shall abstain from SILK CULTURIST’S MANUAL 195 saying any thing upon it, any more than upon the operation of dyeing which follows it. These are trades by themselves, which have no connection with agriculture, and it is for agriculturists alone, and not for manufacturers that this work is designed. ‘The reeling of silk is a proper employment for farmers’ wives and daughters, either at home or in large fila- tures, therefore we think it necessary to give all the instruction in our power upon this impor- tant subject, besides that without the art of reel- ing, it is impossible to draw any profit from the cocoons, which, as we liave said before, cannot either be exported or manufactured without being converted into raw silk, ail the rest may be considered as more properly belonging to manufacturing establishments, and therefore is not within the purvieu of this treatise. We are well aware that in this country, and particularly in Connecticut, the labor of silk culturists is principally, if not exclusively ap- plied to the manufacturing of sewing silk. Far from encouraging, we think it our duty to do all in our power to discourage this species of industry asit is now pursued, because we are fally convinced that it will-never be a source of profit to the United States, but on the con- trary it will check the progress of the silk culture. Bad habits, when they have once 196 SILK CULTURIST’S MANUAL. taken root in a country are not easily laid aside, and we regret to be obliged to say that agriculturists are of all men the most tenacious of their old customs, and that it is difficult to introduce modern improvements among them either in their implements or in their method of husbandry. All travellers unite in mak- ing this observation, and this country, candor compels us to say, is not exempt from its appli- cation. Every where in Europe, the converting of raw silk into sewing stk, is the business of throwsters. The farmer confines himself to his cocoonery and his reel, and leaves the rest to those mechanics who have acquired a suflicient skill in their various arts, and employ competent machinery. In this country, on the contrary, every thing, spinning, twisting and even dyeing, is done by the same hands, and with rude in- struments not at all fitted for the purpose. It is with the common spinning wheels that silk is reeled from the cocoons and is twisted into an inferior sewing silk, which can never stand a competition with that imported from Europe. For near eighty years, this method has been pursued, and the art has not advanced a single step, yet every body knows that the great pro- gress made in Europe in the various arts, is owing to the principle of the diviszon of labor. SILK CULTURIST’S MANUAL. 197 But all this dear-bought experience seems to be disregarded. We have been repeatedly asked whether the same individual or the same company, could not plant mulberry trees, raise silk worms, wind the silk from the cocoons, throw or twist it, dye it in various colors, and manufacture it into different articles. Wecan- not qualify this gigantic scheme otherwise than by saying that if it should ever be tried, it will infallibly be found to be the ROAD TO RUIN. Agriculture and manufactures are professions so entirely distinct, that they can never be pursued together with any expectation of suc- cess. It will be said, perhaps, that even the reeling of silk is a mechanical operation, and may be properly classed among the arts which belong to manufactures. This is undoubtedly trues nevertheless, it is one of those arts which the agriculturist may pursue with advantage. It may be assimilated to the spinning of flax, cotton and wool, and the weaving of common | stuffs, the machinery of which is not costly, and which furnish an agreeable and profitable em- ployment to the wives and daughters of farmers, in their leisure hours, and on that account are called domestic manufactures. But the throw- ing or twisting, and the dyeing of silk, do not come under this denomination, and must be left to those who profess those arts exclusively. It *18 198 SILK CULTURIST’S MANUAL. is true that reeling cannot be carried on to a great extent in farm houses, nor to the same ad- vantage as in large filatures, but it is not on this account to be discouraged, because it is an use- ful and a profitable employment to the agricul- turist, and employs many hands which would otherwise remain idle. It must not be believed, however, that the art of reeling silk is as easy of acquisition as that of spinning flax, wool or cotton. It isa popular error not only in this country, but in Kurope, that it requires neither instruction nor experience. This doctrine has been widely propagated in these United States by bold theo- rists who have never seen a regular filature, and with so much success, that the committee on agriculture ata late session of the Congress of the United States have reported it as a fact to the House of Representatives, that the art of reeling silk was sufiiciently known, and there- fore expressed it as their opinion that there was no need of instruction in that branch. This is a most lamentable error, as we shall show here- after. We have said that this false notion prevails not only in this country, but also in Europe. Mr. | Pitaro, an eminent writer on the silk culture, thus expresses himself in his excellent treatise, entitled, “La Science de la Setifere;”’ (on the SILK CULTURIST’S MANUAL. 199 science of the silk culture:) ‘Every body in Italy and France, say some ill informed theo- rists, knows how to reel silk from the cocoons, but the fact is otherwise;’’ and he proceeds to show the falsity of this unfounded notion, in which opinion he is joined by al] those who have knowingly written upon the subject, as will be shown in its place, by numerous extracts from their works. But the manufacturers, who are sometimes compelled to employ silk thus badly reeled, are loud in their complaints. We shall expatiate more fully on this subject in another chapter. We do not mean by saying this, to discour- age the wives and daughters of American far- mers. They will with proper instruction be- come perfect in this most important art. We know by experience that they learn much more quickly and shew more dexterity in the busi- ness than the females of Europe, whose hands are too much hardened by the labors of the - field in which they are generally employed, and we think we may say with confidence, that a steady and sober American girl, who shall have spent a reasonable time ina regularly established filature, if she should marry an industrious far- mer, will prove a treasure to her husband. The art of reeling alone being so difficult as to require instruction and experience, we can- 200 SILK CULTURIST’S MANUAL. not but admire the enterprize of those Ameri- can ladies, who,in their domestic manufacture of sewing silk, with only rude instruments, attempt to unite the artof the reeler to those of the throw- ster,and the silk dyer. We wonder, indeed, that they have attained such a degree of perfection in those arts, as they have done, but the per- fection that is required to make silk a source of profit to their country, by those means they never can reach. - We hope to be permitted to expatiate some- what at length on this domestic manufacture of sewing silk, because we consider it as the most pernicious system that could be introduced into a silk growing country, and fatal to the silk culture in the United States, as we shall be able to show by the consequences which it has al- ready produced. The principal seat of this domestic manufac- ture is the State of Connecticut, where it is mostly carried on in the counties of Windham and Tolland. In the year 1830, we took a journey to those counties, in company with Mr. Duponceau ; it was in the season when the worms had finished their work, and the farmers were gathering their cocoons. We visited ‘several cocooneries, and we must say that we were not satisfied with their method of silk culture. One of those silk culturists, who SILK CULTURIST’S MANUAL. 201 had read our essays on American silk, shrewd- ly observed that the author could not be a practical man, because he recommended shelter- ing the silk worm’s eggs from the cold in the nminter. ‘In this country,” said he, “ we leave our eggs exposed to the cold, and they never- theless produce good crops of cocoons.” We | found the fact of the exposure of the eggs as he stated its; but we have no doubt, that a great many perished from cold during the winter, which would have made a large and valuable addition to the ‘crop of cocoons.” Our great object however, was to witness the process of the sewing silk manufacture, and to obtain correct information as to the manner in which that silk was disposed of, and the pro- fits that arose from it. With that view, we remained several days in the town of Mansfield, where that manufacture is principally carried on. We saw the women at their work, which we need not describe here, as it is sufficiently © known ; we tried to persuade them that there were better methods of proceeding, but we found their prejudices too deeply rooted ; they were well satisfied with what their mothers. and their grandmothers had done before them. This is not peculiar to Connecticut; in the silk growing countries of Europe we have seen, women who reel their silk after a method 202 SILK CULTURIST’S MANUAL. taught by their great-grandmothers, and who will not adopt the modern improvements, to the great dissatisfaction of the silk manufac- turers, who, of course, pay them an inferior price for their imperfect silk. But they do not mind that, and will still go on in their old way ; human nature is the same all over the world. Of this we are going to give a remarkable example. We found that in the town of Mans- field, there was an excellent Piedmont reel, which, it would seem, had been brought there as an object of curiosity, for no one made use of it. Desirous of convincing the people of the place of the advantage of using that instrument, and at the same time showing them how it might be employed, we gave notice that we would reel silk from it on a particular day, before all who should choose to be present. A room was pre- pared for the purpose, and a large concourse of people attended 5 cocoons were produced in abundance, which we reeled off, and the skeins were handed round to the company, and seem- ed to be much admired. Nevertheless, there did not appear to be any change in the popu- lar opinion. One young lady alone, who had paid great attention to our method of proceeding, sent us in the evening a skein of silk, which she had reeled herself on the Piedmont reel. SILK CULTURIST’S MANUAL. 203 It was not, indeed, perfect, but it was sufficient to shew what American females can do, if they would only discard their too long indulged pre- judices. That young lady with proper instruc- tion, would have made an excellent reeler. What has become of the Piedmont reel since that time, we do not know. The people, in general, looked upon us with a suspicious eye. They thought we were specu- lators who intended to take some advantage of them, and we found them shy in answering our questions; nevertheless, there were gentlemen amongst the most respectable class to whom we had been recommended, who freely and candid- ly gave usall the information we wanted. ‘This is the substance of what we obtained from them, and from our own observation. The domestic sewing silk, after being reeled, twisted and dyed, either by professed dyers or by the fair manufacturers themselves, is made up into skeins of certain dimensions, prescribed by the Legislature of the state, in order to pre- vent fraud and imposition, and is sent to the nearest store, where the merchant (as he is call- ed,) receives it in payment for articles furnish- ed to the family during the preceding year, or in advance for future supplies. He after- wards consigns it to certain hawkers or pedlars, who travel with itabout the country, and dispose 204 SILK CULTURIST’S MANUAL. of it to the farmers in barter for the produce of! the land, which finds its way into the merchant’s | store, who sells it to his neighbors on the credit. of the next year’s crop. The current price of’ that sewing silk was then four dollars a pound. It passed as a currency in that part of the country, the strongest proof that can be given of its poverty, althongh abounding in the rich- est production of the whole earth. We were informed by persons the best ac- quainted with the business of the place, and worthy of full credit, that the sales of sew- ing silk in the two counties of Windham and Tolland, amounted annually to fifteen thou- sand or eighteen thousand dollars. That amount was produced by 8,000 pounds of raw silk, each made out of twenty pounds of cocoons, which makes in the whole, 160,000 pounds of those balls.* Now, we beg to be allowed a few ob- servations on these important facts. In the first place, what a small sum 1s $18,000 the highest in the computation, and that nomi- nal too, for the proceeds of 160,000 pounds of cocoons, to which is to be added all the labor and expense put upon that material to convert * Fhese facts were made public in an elaborate article on silk, in the American Quarterly Review for Decem- ber, 1831, and never have been contradicted, that we know of. SILK CULTURIST’S MANUAL. 205 it into sewing silk! Were the farmers to sell those cocoons at only 20 cents a pound, (the lowest price for good cocoons that we can think of,*) they would produce 32,000 dollars, nearly double the amount above mentioned and that in ready cash, (for they are a cash article) without the labor and expense attending the reeling, . twisting and boiling, and the dyeing in various colors. It may be said that since we were in Connec- ticut, that state has allowed to the reelers a bounty of fifty cents on every pound of raw silk reeled onan improved reel, wiich they should produce. We shall say nothing of the emproved reel, but we say that even with that bounty, which on 8,000 pounds of raw silk, which we have shown above to be their yearly production, would amount to only 4,000 dollars they would make less than by the sale of their cocoons; for 4,000 dollars added to 18,000 dollars, the ad- mitted produce of their cocoons, wrought into _ sewing silk, make only 22,000 dollars, and their cocoons, at twenty cents per pound, would pro- duce 32,000 dollars, difference 10,000 dollars. If, on the contrary, the cocoons were sold * At the experimental filature in Philadelphia, in 1830-2, forty cents were paid for every pound of cocoons that was offered ; but that high price cannot be expected to continue. 19 206 SILK CULTURIST’S MANUAL. for ready cash, that money would circulate among the people, stimulate their exertions, increase the quantity of silk, and enrich the whole country; filatures would be established in their neighborhood, and the state of Con- necticut, now so poor, would experience the highest degree of prosperity. We hope it is not too late, and that these fair prospects will yet come to be realized. It might, perhaps, be enough to have shown that this domestic manufacture of sewing silk, after all the Jabor and expense bestowed upon it, produces in its results from 30 to 40 per cent, less than the first raw material (the co- coons,) would produce, if sold at a moderate price in anopen market; but we think it will not be amiss to show here what are the causes of this enormous difference. We can easily de- monstrate that it is entirely to be ascribed to the imperfection of the implements used, and of the methods pursued, all of which arise from a lamentable ignorance of the art of reeling and the mechanism of throwing, by which alone the raw material can be converted into good and merchantable sewing silk. A few reflections on the facts above stated, will be suflicient to con- vince the reader of the truth of this assertion. 1. Twenty pounds of cocoons employed in making one pound of raw silk, are double the SILK CULTURIST’S MANUAL. 207 quantity employed in Europe for the same pur- pose.* Here then is a loss of one hundred per cent, 2. The sum of 18,000 dollars, which on the highest calculation is the annual proceeds of all the sewing silk made in the two counties above mentioned, at the current price of four dollars — a pound, represents only 4500 pounds of sew- ing silk, and that is made, as above stated, out of 8000 pounds of raw silk; here is again a loss of near fifty per cent. This loss is almost entirely produced by the imperfect reeling of the raw silk; in technical language it is called waste. We know that thrown silk loses something of its weight by the dissolution of the gum in boiling, but that never exceeds twenty per cent., and we know also that this loss is more or less compensated by the dyeing, particularly in black. In Europe, when sewing silk is dyed in black, the dyer is oblig- ed to return the same weight of silk that he has received 5 so that the greatest part, and some- times the whole of this loss of weight, in Con- necticut, must be attributed to waste occasioned by bad reeling. The loss suffered in Europe on the best raw * At the filature in Philadelphia, eight pounds of co- coons and sometimes less, were found sufficient for one pound of raw silk. 208 SILK CULTURIST’S MANUAL. silk, in the operation of throwing or tnisting, seldom exceeds four per centum, when thrown in Italy, and five when thrown in England. (Badnall’s view of the Silk Trade, page 63.) That which was sent to England, from the ex- perimental filature at Philadelphia, to be manu- factured, suffered only a loss of 3 5.8ths per cent., which shows the great strength of Ameri- can silk. It must be acknowledged that it was thrown with great care by Mr. Edward Moly- neux, an eminent silk throwster at Manchester, from whose report we have stated the above fact. Let this be compared with the immense loss suffered by the fair manufacturers of sewing silk in Connecticut. Waste of the cocoons in reeling, waste of the raw silk in twisting, Can the nation ever expect to derive profits from this mode of proceeding ? | In vain Congress have tried to encourage that domestic manufacture by a duty, amounting al- most to a prohibition, but the attempt has com- pletely failed. In the year 1832, a duty not less than 40 per cent. was laid, by what is call- ed the compromise act, on all imported sewing silk ; the result has only been, nearly to double the price of Italian silk, and to encourage for- eign manufacturers, as will be presently ex- plained. In the year 1830, to which we have above referred, not an ounce of Connecticut SILK CULTURIST’S MANUAT.. 209 sewing silk was purchased in our great sea ports. Since that time, notwithstanding the forty per cent. duty, this state of things has not changed; on the contrary, we are told, though we do not vouch for the fact, that the quantity of that kind of domestic silk has di- minished ; which shows that no improvements — have been made in that manufacture. bottom. They must then be taken out, when | discovered, and put aside, to be afterwards — dealt with as waste silk. i The bad cocoons which can be reeled, are of | various kinds; they are reeled with much dif- ficulty, and never so perfectly as the good ones, therefore, their silk is only employed in the manufacture of coarse articles. ‘They are: 1st. The double cocoons, called dupions, of which we have spoken above. (p. 118.) It is clear that their silk often intertwines, and therefore breaks in reeling, which gives a great deal of trouble to the reeler. It is because of this extraordinary difficulty, that we have re- commended to the farmers who reel their silk themselves, to separate these from the other bad cocoons; in large filatures the experience of the reelers makes this unnecessary. 2d. Spotted cocoons, that is to say, those in which the chrysalis has died from some sick- ness, so that by its bursting or otherwise, the silk has become soiled, and the cocoons covered with black or éclored spots. 3d. Cocoons that are otherwise dereceive! ill- SILK CULTURIST’S MANUAL. > 2as shaped, or imperfectly formed, so that it may be easily seen that they cannot be reeled off freely. It is sometimes the case with those that are pointed at one end, but it is not so general- ly; the point must be very sharp to place them among the bad cocoons, and we do not think that it should be often done. We have seen pointed cocoons in general reel off very well. Ath. The cocoons called sattiny. They are of a coarse tissue, furzy like flannel, and the surface shines. We have seen some, but not many in this country, neither are they numer- ous in Europe. | The French writers have given names to the different sorts of cocoons. They talk of Chi- ques, Choquettes, Cocalons, Soufllons, and a variety of other denominations, which in our opinion only serve to perplex. We have not thought proper to adopt this nomenclature. The bad cocoons which can be reeled, are generally reeled together; those which cannot are considered as waste silk, and are carded and spun, as will be hereafter mentioned. CHAPTER VI. OF THE DIFFERENT QUALITIES OF poe SILK. Brrore we enter fully upon this subject, some preliminary matters require to be ex- plained. Equality in the threads is the principal re- quisite in all raw silks that are spun at the reel, by which it is meant that all the threads shall consist in their whole length, as nearly as possi- ble, of the same number of the fibres of the co- coon. But those fibres are so fine and so deli- cate, that it is impossible in drawing and joining them together to preserve exactly the same number of them, and a certain approximation is all that can be obtained. Therefore, when we speak of raw silk, we do not say that it is composed of exactly so many fibres, but of one to two or three, three to four, four to five, five to six, six to eight, eight to ten, ten to twelve, and as we increase in numbers, a greater latitude is given; thus we say twelve to fifteen, and fifteen to twenty cocoons, (one fibre from each cocoon,) and when we come to coarser silks, we say from twenty to thirty, thirty to forty, &. SILK CULTURIST’S MANUAL. 287 This equality is required, not only for the sake of the beauty of the thread, which, how- ever, depends greatly upon it, but also, and principally, to prevent its constantly breaking in the operation of throwing, which occasions a great deal of waste, which, as we have shown, adds a great deal to the labor and expense, and more or less deteriorates the beauty and quality of the silk. The operation of throwing or twisting is all done by machinery, a blind in- strument, the force of which cannot be increased or moderated at pleasure. Therefore the same force which will only give the required twist to the strong parts of a long thread will break the weak ones, and what it does not break it will either twist too much or too little, accord- ing to the strength or weakness of the thread. For all raw silks do not require to be twisted alike; organzine, for instance, requires a strong- er, and tram a weaker twist, and, in general, the strength of the twist is suited to the pro- portion required for the kind of stuff into which the material is to be manufactured, some requiring a very slight and others a very strong twist. Therefore the greatest attention is to be paid in reeling to the equali- ty of the threads, and it is in throwing alone that it can be accurately known by the great- er or lesser quantity of waste, how far that 288 SILK CULTURIST’S MANUAL. equality has been preserved. The value of raw silk in the market depends much on the reputation of a filature, in.this respect. Mr. Boucher, in his letter to the Chevalier de Pougens, which will be found in the appen- dix, seems to be of opinion that it is easier to reel silk from 12 to 15 and 15 to 20 cocoons, than organzine from 3 to 4 and from 4 to5. We have had a conversation with him, when lately at Paris, upon this subject. He meant only to say that the instruction of female reelers should not be hastened, by making them begin with reeling fine organzines, which might appear beautiful to the eye, and yet be defective; that though not so necessary, it was more dfllicult to preserve equality out ofa great than out of a small number of cocoons, and that by reeling out of a large number, and striving to maintain equality as much as possible, they would be better prepared to reel off the fine threads, which he admitted, was really the most difficult part of the art, and that which requires the greatest skill, care, and attention, as well on account of the fineness of the threads, and the greater de- gree of equality that was to be preserved, as because they required a stronger twist in throw- ing than any other kind of raw silk. We fully agree with him in this opinion. We will now proceed to the immediate sub- ject of this chapter. SILK CULTURIST’S. MANUAL. 289 We have, in the preceding chapter, divided cocoons into four classes : Ist. Good or perfect cocoons of the ae Class. 2d. Good cocoons of the second class. 3d. Bad or imperfect cocoons mich can be reeled. : 4th. Bad cocoons which cannot be reeled. It is of the silk of the two first of those class- es of cocoons, that are made the elegant stuffs for which the United States pay so dearly, and for which it is the object of this treatise to en- able them to pay, by supplying the nations from which they are purchased with the raw mate- rial, properly prepared and fit to be employed in their various manufactures. The profits to be derived from this source depend upon the degree of perfection in the art of reeling which shall have been attained in this country. The qualities of raw silk to be produced from these two classes of cocoons, are of three deno- minations. The first is called organzine, the second tram, and the third sengles. We place this the last, because it is not in so great demand as the two others. The silks, however, receive these names only by a kind of courtesy, because they are not en- titled to them until they have passed through the throwing mill, where organzine may be 26 290 SILK CULTURIST’S MANUAL. converted into tram and singles into organzine. But this only happens in cases of necessity. If the silk has been properly reeled, it is almost always applied to the use for which it is intend- ed, and from which it receives its name. Man- ufacturers, therefore, give orders to filatures for so many bales of organzine, tram, or singles, meaning of the kind of raw silk intended to re- ceive those forms in the operation of throwing. Organzine is the perfection of raw silk. It is reeled only out of the first class of the best cocoons, It is that for which the highest prices are given in the European markets, but always in proportion to the intrinsic quality of the silk and the perfection of the reeling. Dr. Lard- ner* speaks of a quality of organzine, made in the contiguous departments of Ardeche and Gard, in France, which sells commonly for 50 francs, (10 dollars,) and some times as high as 150 frances, (30 dollars) a pound. It is em- ployed in Normandy, in the making of fine laces. We do not know that it is produced any where else. We have seen that the best Italian organzine sells at present in London for $7 50 a pound. Organzine is generally employed in weaving for the warp of the most elegant stuffs. It * Page 94 London Edition. SILK CULTURIST’S MANUAL. 291 should not be reeled out of more than from 2 to 3,4 or 5 cocoons. Our correspondent at Man- chester wrote to us that raw silk, reeled from six to eight cocoons, was in the greatest de- mand in England, but fer what purpose it was to be used, he does not explain. The silk called tram is generally employed for the waft or shoot of those stuffs of which the warp is made of organzine. It is generally made of the second class of the good cocoons. it may also be made out of the first class, and then it is of more value. When the rearing of the worms has been well attended to by the far- 1ers, there may bea deficiency of the less per- fect class of cocoons, which compels the reeler to employ the best class. We hope it will hap- pen so often in this country. } Tram should not be reeled off (of goud co- coons) of more than twelve to fifteen fibres to a thread. , Singles are also made out of the second class of good cocoons, and they should not be reel- ed of more than twelve to fifteen fibres to a thread. ‘They are called singles, because they are not, like other raw silks, doubled in throwing. They are much employed in the woof of certain mixed stuffs of cotton and silk, of which the warp is made of cotton. These stuils which in our day were called cotes palis, 292 SILK CULTURIST’S MANUAL. are intended for the markets of the West In- dies and other tropical climates. They re- quire but little twisting. We would recom- mend this kind of raw silk to the attention of this country. © These light stuffs might be man- ufactured here, and would be a good article of exportation to the Southern climates, with which the United States have a frequent and constant intercourse. Singles, by doubling and a stronger twist, may be thrown into tram of a good quality. The silk of bad cocoons, which.are suscepti- ble of reeling, is all reeled of from 20 to 25, and sometimes to 30 fibres to a thread; but it is difficult to unite perfectly well this last number of fibres. ‘This is the silk that is em- ployed in Europe in making sewing silks, plushes, stockings, gloves, night caps and other kinds of hosiery. floss silk is also - made out of it, which is a kind of flat silk much used in embroidery. And lastly all coarse stuffs, vestings and other articles of.a similar kind, are made out of this silk. We have seen many articles of these various kinds, knit or woven out of American silk, and they have been exhibited as proofs of the advancement of the arts connected with silk in this country. But we regret to say that they were made out of the best silk of the best co- SILK CULTURIS1°S MANUAL. 293 coons, and of course, at an immense loss, be- sides that they had not attained the degree of perfection of those imported from Europe. This made us observe in our essays that it was like making kettles and sauce pans of pure gold. This observation applies particularly to sewing silk, of which we have said enough that we will not repeat here. We shall lastly speak of those cocoons which are not susceptible of being reeled. ‘These, whether they are discovered in reeling or in sorting, are put aside, with the waste silk, the floss, the ribs, the third layer of silk which falls with the chrysalis to the bottom of the boiler, from which, after the chrysalis has been extract- ed, are boiled in a mass in soap and water during from four to six hours, after which it is card- ed and spun at the spinning wheel. This silk is called jiloselle or flurt silk. It is employed in making stockings and other kinds of hosiery of the coarsest kind. ‘Those articles are much worn in Europe, and being made of silk, though of the most inferior quality, are preferred by many to the articles of the same kind made of other materials. We will now proceed to the mechanical ope- ration of reeling. 26% CHAPTER VII. OF THE REEL AND OTHER APPARATUS. The operation of reeling, as we have said before, consists of two distinct parts. 1st. The drawing of the silk from the cocoons and keeping the machine constantly supplied with regular thread. 2d. The winding of the thread round some- thing that performs the office of a spindle. The first of these two operations is done ex- clusively by the reelers or spinners; they re- ceive no aid from the machinery. In this con- sists the difficulty of the art. The second part is performed by the ma- chine, which is set in motion by the turning of a Wheel. 7 - The Piedmontese reel has, for more than one hundred years, been considered as the best for winding the silk drawn from the cocoons ; various improvements of this machine have at different times been attempted, but after fair and repeated trials, they have been successive- ly rejected as defective and producing par- ticularly that blemish called glazing, which consists in the threads being so badly directed SILK CULTURIST’S MANUAL. 295 upon that part of the reel called the hasp,* that they are glued to each other, one of the most perplexing defects in the operation of reeling. No nation of Europe has contributed so much as the Piedmontese, to improve the reel for the winding of silk; but this machine did not at once reach the perfection which it has now at- tained. One of the principal points which first drew their attention was, that the fibres of which the threads were composed, reached the hasp without being embodied, that is to say, perfectly united to each other. In order to remedy this defect they first imagined to cause each thread of silk as it issued from the holes of the bow-bent iron, to pass over the circumfer- ence of two cylinders. ‘This invention had two advantages: Ist, to cause the different fibres of which the threads are formed, by being com- pressed upon the cylinder, and thus imbibing their liquid gum, to glue them together and * This name is given in France, Italy and Germany to the great wheel of the reel on which the silk is wound, the outer bars of which are called the arms. There is no proper name in English for this part of the machine, we have, therefore, called it hasp, which is also a good English word, and, we think, appropriate. ‘‘Hasp, aspindle to wind the silk thread or yarn upon.’ —Todd’s Johnson’s Dictionary. “‘Hiasp, a spun to wind thread or silk on.”—Web- ster. 296 SILK CULTURIST’S MANUAL. make the whole thread compact. 2d, that the compression upon the cylinders lessens the moisture of the threads, and causes them to be wound round the hasp in a dryer state. This apparent improvement at first took fa- vor, because it gave to the silk a finished ap- pearance, which it never had before. But this method had also its disadvantages. The pres- sure upon the cylinders gave to the threads a flat form, whereas its perfection is to be as round as possible. Besides, it was found that this pressure was not strong enough to unite completely the fibres, they were not sufficiently dry, nor sufficiently smooth. Instead, there- fore of those cylinders, they contrived to make the two threads cross by twisting fifteen or twenty times round each other, which is called crossing; this operation is performed between their passage from the holes of the bow-bent iron to the eyes of the rampins, or more pro- perly, the guides fixed on the distributing rod. This innovation had great success; the silk ac- quired from that moment a very different and a far superior quality; the threads by being thus crossed fifteen or twenty times over one another, became round and compact on leaving the point of crossing, by which the moisture was much better dried up; it arrested, likewise, the floating particles of silk which sometimes SILK CULTURIST’S MANUAL. 297 rose from the basin with the threads. Thus the silk was distributed upon the hasp in a purer and dryer condition, and of a perfect, round form. We will not here describe a method invented by the celebrated Vaucanson of crossing the threads at two different places, to wit, below and above the distributing rod. This invention has been put aside, because the reelers cannot be brought to use it, for the threads thus crossed twice, are liable to be broken very often, and occasion great loss of time. _ After the discovery of the crossing, the Piedmontese added several other improvements to their reels. They applied themselves more especially to the perfecting of the distributing rod and its guides, and to establishing between the roller and the pulley, which was then fixed at the end of the hasp, a proportion so exact, that the threads should continually take a sepa- rate position upon its arms; so that no longer lying upon each other, they might not be glued together. After the most careful ex- amination, they concluded that they should never attain the end which they sought, as long as the roller should receive its movements from the hasp, by the means of a cord with- out end, because this cord, by the alterations to which it was liable, and which were con- 298 SILK CULTURIST’S MANUAL. stantly occurring, from the different degrees | of moisture or dryness of the atmosphere, | perpetually deranged the proportion estab- | lished between the hasp and the roller. Be- | sides, the cord without end, by its continual | friction, gradually wears away the wood of | the roller, and that of the pulley of the hasp, | and by thus deepening the channels, causes | an irregularity in the just proportion which | ought to exist between them, and if the cord | be too loose, it will slip upon the pulley of the hasp, or upon the roller, and in either case, the roller will not make its proportional number of rotations; for all these reasons they have abandoned the movement by the agen- cy of a cord without end,* and have substi- tuted for it four bevilled wheels, with an es- tablished number of teeth, in order that the advancing and retiring motion of the distribu- * These improvements in the reel were made in Pied- mont, more than a century ago; for in 1724 when the celebrated ordinance was made, the reel had attained its present degree of perfection: yet such is the force of habit, that in some of the domestic filatures in Franee, the cord without end is still in use. We ourselves used it in our experimental filature at Philadelphia, because, at that time we could not get the Piedmont reel made without considerable trouble and expense, and we were also much pressed for time. SILK CULTURIST’S MANUAL. 299 ting rod with its guides, should be permanently regulated with each revolution of the hasp. The Piedmentese have also increased the distance from the distributing rod and its guides to the hasp, and have at last fixed it at 3 feet 103% inches, (American measure, ) in order that the minute particles of water with which the threads of silk are charged, being longer ex- posed to the air might evaporate and the silk be wound round the hasp in a dryer state. Every one will understand that the motion given by cog wheels is more perfect and more equal than that given by a cord without end, ora pulley; the first is easily calculated, divi- ded, and distributed in the desired proportion. It is easy to determine and fix its graduation by the number of cogs which produce the move- ment, and thus be able to calculate those de- grees to their smallest possible number; a per- fection which cannot be attained by the other motion, the cord without end or the pulley not being susceptible of that geometrical correct- ness which is requisite to calculate and distin- guish the progr ession of such a motion ;_ ee 1s as clear as it is incontestable. A motion by cog wheels is much more mul- tiplied and varied than a simple motion, every one will understand that; such is the motion of the Piedmont reel, as we are going to see. 300 SILK CULTURIST’S MANUAL. In this particular case, in order that the threads in reeling do not lie parallel upon the arms of the hasp, but cross over one another, it requires a motion extremely multiplied and vari- ed to produce that irregularity, and this is pre- cisely performed by the combination in the four cog wheels of this reel, as we shall pre- sently demonstrate. | The bevil wheel, R, (see the plate) has 22 cogs; it gears with another bevil wheel, S, not of 22 cogs, which would produce a simple mo- tion only, but of 25. ‘This irregularity in the number of cogs, creates, necessarily, another one in the motion. The bevil wheel, F, of 35 cogs, which guides the distributing rod I, gears with another bevil wheel U, of 22 cogs, which is a second irregularity. This double irregularity of movement which takes place between the distributing rod and the hasp, which moves all, forms also an inte- gral motion, the effect of which is to imitate, in the unwinding of the cocoons, the same me- thed employed by the worm in forming it; for it is a fact well known to naturalists, that the fibres of the cocoon are spun on it crosswise, and not in a straight line, (the foreign writers call this z¢g-zag,) which is exactly the same manner in which the motion of the Piedmont ree] places the threads on the hasp, from which SILK CULTURIST’S MANUAI,. 301 this great advantage results, that the threads which in reeling still retain much of their gum, by not lying close to each other on the hasp in their whole length, are not so liable to be glued together; besides that the motion of the hasp has already dried, in some measure, the silk threads that are placed upon it; for such is the effect of the well calculated motion of the dif- ferent parts of this reel, produced by the admi- rable arrangements of the cog wheels, that the hasp has had time to perform 875 revolutions, and the distributing rod 484, before the threads return precisely to the same place. Conse- quently the operation of this ingenious machine is an imitation of nature, of which the industry of the worm, instructed by her is the proto- type. All the above improvements, suggested by long practice and experience, have brought the reel of Piedmont to the perfection which it has been so long generally acknowledged to possess, and all the attempts to improve it in Europe have been successively rejected. We must be allowed to say here, that the ereatest number of the supposed improvements that we have seen attempted in this country, ~ were no others than those which had been thus unsuccessfully tried in Europe; we do not speak of those that are truly contemptible, to 27 302 SILK CULTURIST’S MANUAL. some of which we have alluded in this work; there are quacks and pretenders in every coun- try; but it is well that it should be known that those alterations, for we will not call them im- provements, have not met with success any where, and that the Piedmont reel in its present form is everywhere considered as possessing a degree of perfection which it is difficult, if not impossible to surpass. We will now proceed to give a minute de- scription of this truly wonderful machine, which gives unquestionably to the silk a beauty anda quality before unknown, and which no other invention has yet and probably never will be able to attain. EXPLANATION OF THE PLATE, Ficure I. The length of the frame is 6 feet, 4 inches, the breadth 2 feet 13 inches out and out, the height is 2 feet 43 inches; from the front of the bearers, AAA, to the centre of the front feet, BB, there © is one foot and one inch, from thence to the cen- tre of the hind feet, BB, 3 feet 103 inches. The bearers, AAA, are 3 inches in depth, by 13 inch in widths the feet BBBB, are of the same dimensions; 5 inches from the bottom they are framed together lengthways and crossways with braces, CCCC, of suitable strength, under- SILK CULTURIST’S MANUAL. 303 -veath which, boards are fastened in order to form a room to serve to put the bad cocoons and other things. The top of the frame is fastened at each end, by two cross pieces, DD; the one in front to be at least 5 inches in width, which is called the shelf, and serves to the reeler as a place to deposit her bunch of twigs, and her cup of fresh water to cool her fingers, the other not more than 3 inches wide. Directly above the front feet, BB, two posts, EE, are placed, that on the left side is 4 inches long, in which an iron pin, G, is fastened, on which revolves a bevil wheel, F, called the pinion, having 35 cogs or teeth; this wheel 1s fastened to a turned piece of wood about 3 inches in length, which fits loosely on the iron pin, Gs; upon this piece of wood an iron crank, H, is fastened, which has 3 inches eccentricity, in which the distributing rod, I, fits loosely 5 on the other post, that is to say, the right one, there is a mortice, or opening, in which the extremity of the distributing rod plays. Four feet and 6 inches from the front of the bearers, AAA, two other posts, KK, are placed, about 5 inches high, in which the gudgeons, LL, fixed at each end of the nave, M, revolves; this nave is 4 inches square, the thorough length of the arms, NNNN, is 2 feet 10 inches, the thick- ness is 12 by i inch$; the four pieces, OOOO, 304 SILK CULTURIST’S MANUAL. on the top of the arms on which the silk is wound, are 2 inches square, and 18 inches long, with a groove of three-eighths of an inch in the middle, and both sides rounded off; one pair | of arms are permanently fixed in the nave, but — the other pair are cut asunder and placed crossways upon the other, and fastened by two wedges, PP; this mode is resorted to in order that by taking out the wedges, the arms which are provided with rule joints, may be drawn in- to the opening, by which means the silk on the arms will be slackened, so that it may be taken off. At one end of the nave, M, is fixed a han- dle, Q, by which the whole is put in motion; on the other end, is a bevil wheel, R, with 22 cogs, called the /2tile bell, which gears in ano- ther bevil wheel, S, with 25 cogs, called the great bell, fastened upon a shaft, T, to which another bevil whee}, U, with 22 cogs, called the star, is also fixed, which drives that of 35 cogs, F, called the pinion, by which the distribu- ting rod, I, is put in motion. In front upon the cross piece, D, called the shelf, a bow-bent iron, V, is fixed, inclining at an angle of 45 de- grees, with holes drilled in it, through which the silk threads are led to and passed through the wire eyes of the guides, WW, fixed on the distributing rod, to the hasp. _ Now, if motion be given to the horizontal SILK CULTURIST’S MANUAL. 305 bevil wheel, or pinion, by means of the other wheels and shaft, when the handle of the hasp is turned, it is evident that this will cause the distributing rod likewise to move to and fro, directing the threads which pass through its wire eyes alternately to the right and left, through a range equal to the diameter of the horizontal bevil wheel to which it is attached. The remaining apparatus for reeling 1s very simple, it consists only of a basin filled with water, in which the cocoons are put, and a fur- nace to heat that water to the proper degree. The foreign writers have taken great pains to prescribe the size and the form of the basins, and the material of which they are to be made. The ordinance of Piedmont requires, (Art. 15,) that the basins be thin and of an oval form, and even goes so far as to prescribe their depth. This attention to minutia, shows how much 1im- portance is attached in Europe to everything that may in the least contribute to the perfec- tion of raw silk. We cannot say that we allow so much importance to this object; we rather think that a basin large enough to contain the necessary quantity of cocoons, and to beat and manage them with ease, and of a material not susceptible of rust, and not liable to soil the co- coons or make the water foul, will, be sufficient. In our experimental filature at Philadelphia; hos 306 SILK CULTURIST’S MANUAL. we had basins made of copper that might have contained two handsful of cocoons, and which answered perfectly well. As to the furnaces, there is no particular form required; in our filature they were made of bricks and built on the ground in front of each reel, and so placed that the reeler might sit next to them with ease. Their height should be such that they should not rise above the level of the reel where the reeler sits, and their di- ameter proportionate to that of the basin. They should be provided with a flue or pipe to carry up the smoke, so that it should not offend the eyes of the reeler, and injure the color and brilliancy of the silk. But since the invention of the admirable ap- paratus of Mr. Gensoul, furnaces are no longer used in the large filatures of Italy and France, but the water is supplied by steam to the basins through pipes, in the manner hereafter des- cribed. This apparatus has the advantage of distributing a suflicient degree of heat to an in- determinate number of basins, by means of a single furnace. It regularizes the labor of the reelers, it raises or lowers by small degrees and with rapidity the water of the basins to the re- quired temperature; it preserves the purity of the water and increases the quantity of the silk reeled, because the women, no longer disturbed SILK CULTURIST’S MANUAL. 307 by the necessity of attending to their furnaces, perform their work without interruption, and with greater ease, and are not offended by the smoke arising from their fires. The following description of this apparatus ig taken from a report made by Dr. Terme to the society of agriculture of the department of the Rhone, of which Lyons is the capital. We are indebted for it to Mr. De Teste in his ex- cellent work on the silk trade in France. An engraving of it will be found in the plate, figure 2, which we have taken from the same work. DESCRIPTION—FIGURE II. _ The apparatus consists of a boiler provided with asteam gauge and a safety valve; the boiler is placed in a furnace heated by means of bituminous coal. ‘The steam thereby gene- rated passes into a main pipe which extends horizontally through the whole apartment at an elevation of about ten feet from the floor. From this main pipe, descending pipes branch out lat- erally, each of these is bifurcated, and supplies two basins with steam. These pipes are termina- ted by a tube, the extremity of which is perfo- rated with small apertures that allow the steam to diffuse itself through the water in the basin. They are also provided with stop cocks near the end, by opening or closing which, the spin- 308 SILK CULTURIST’S MANUAL. ners are enabled to regulate the temperature; when steam is introduced into cold water, it produces a hissing sound that continues till the temperature is raised to 167° F. From 178° to 190°, which is the best point for spinning, the water experiences a very distinct tremu- lous motion, which, at 203° passes into a lively ebullition; this is the proper temperature for beating the cocoons. ‘These indications may serve in lieu of a thermometer, and are so used. by the reelers, who being no longer diverted from their occupations yb the necessity of keep- ing up their respective fires, as they used to be, are enabled to attend more steadily to spin- ning. The steam that condenses in the basins furnishes a constant supply of distilled or per- fectly pure water, which gives to the products obtained by this apparatus, a marked advantage over those resulting from the old process. A comparison made by the committee, of hanks of silk produced by the old and the new appara- tus, showed the superiority of the latter. By comparing these hanks with some of the first quality of Chinese silk, the committee satisfied themselves of the great and decided preference to be given to that of French origin. To this report Mr. De Teste adds: ‘This mode of working by steam, compared with the old process, shows a saving of three-fourths SILK CULTURIST’S MANUAL. 309 © of the fuel, an increase in the quantity of the produce of labor, which may be estimated at one-tenth, and an improvement in the quality and brilliancy of the product. Moreover, by means of it, the white silk retains all its bril- liancy.”’ CHAPTER ViIPI. OF REELING AND PREPARING THE RAW MATERIAL FOR EXPORTATION. Havine taken the preliminary precautions already spoken of, that is to say, picked the floss or loose silk from the cocoons, sorted them according to their different degree of fineness, and separated the bad, the double, and other imperfect ones, we will now proceed to ex- plain the manual operation of reeling. The kind of water in which the cocoons are to be reeled is of considerable importance ; it should be either rain water, or that which is obtained from ponds or slow running streams, and which has been a Jong time exposed to the air; water which is called hard, such as that which is supplied by springs or wells, usually contains a large proportion of earthy salt, and will not sufliciently soften the gum of the co- coons; they will consequently wind off with difficulty, and their threads be liable to contin- ual breaking. This water being put in the basin of the fur- nace, X, let it be made just to simmer, but not come to boiling. ‘The exact degrees of heat to SILK CULTURIST’S MANUAL. sll which the water should be raised cannot be ex- actly defined, for some cocoons will require wa- ter heated from 168° to 190°; and others from 190° to 202°. From 178° to 190°, which is the best point for spinning, the water ex- periences a very distinct tremulous motion, which at 203° passes into a lively ebulition; this is the proper temperature for beating the cocoons. For the hardest sort of cocoons the water re- quires to be more heated, but a less degree for the others. However, the heat cannot be as- certained until the reeler begins to spin, for then if the silk comes off in knobs, commonly called gouts, or lumps, it shows that the water is too hot; it must be immediately cooled and the fire abated. On the contrary, if the silk. is with difficulty drawn from the cocoons, which is known by their often leaping out of the basin, the water is then evidently not hot enough suf- ciently to soften the gum, and the fire must be increased. It is evident, therefore, that all those things are to be regulated according to the experience of the reeler. _ The reeler or spinner who attends to the management of the cocoons in the basin, must be provided with a brush of about six inches in length, made of the finest twigs, or tops of heath bound together, and made flat at the 312 SILK CULTURIST’S MANUAL. brush part—two or three handsful of cocoons are thrown into the basin, wherein they are submerged, with the flat part of the brush, du- ring some minutes to soften their gum; the reeler must then press the cocoons with the flat part of the brush. ‘This operation requires care and dexterity, for if the cocoons are struck roughly, their fibres, instead of coming off singly, will cling together in lumps, and there will be a great loss of silk and great trou-: ble in reeJing them off. By means of this opera- tion the fibres of the cocoons thus gently press- | ed, will adhere to the brush, and will be drawn) out by its means, when the reeler disengages: them, and draws the filament towards her, until | it comes off quite clean from floss or coarse silk, , which is called the 77s, and the fine silk begins’ to appear. These preliminary steps are called | the beating. | In the composition of the thread, the recler: takes a number of fibres, according to the fine- | ness of the silk that may be required of her, | and delivers the compound thread to the per- | son who turns the hasp, who passes it through | one of the holes of the bow-bent iron,* | fixed *There are four holes, two on each side of the bow- bent iron, but one on each side is only used, and may be changed if the reeler should find that the hanks on the| hasp, are too near or too far from each other. But four or even three hanks cannot be reeled at the same time. i SILK CULTURIST’S MANUAL. 313 above the basin. Another thread is, in like manner, to be prepared, and passed through another hole at the other end of the bow-bent iron; the two threads thus composed are then twisted twenty or twenty-five times round each other, in order that the different fibres compo- sing each thread may better unite together by these mutual crossings, and likewise that the whole may assume a cylindrical form, which is indispensable for the good quality of the silk. After being thus passed through the bow- bent iron, V, and twisted, the threads are led separately through the wire eyes WW, of the distributing rod, I, and being thence con- ducted to the hasp, are made fast to its arms, NNNN, one on the right and one on the left, so as to form two hanks. © Now, both threads being chp’ fixed, the hasp is turned with a regular motion, and some- what slowly, until it is ascertained that all the cocoons yield their fibres freely and easily, for it will happen that some of the fibres which were taken to compose the threads were false ones, because in taking off the floss, the ribs, and loose particles, you may have taken hold of one of these false fibres which will soon end in reel- ing, and must be replaced, to make up the num- ber which is to compose the thread. As soon as the cocoons yield their fibres free- 28 314 SILK CULTURIST’S MANUAI. ly; a much quicker motion is to be given to the hasp. This is, however, regulated by the reel- er, according to certain indications; for if the cocoons should leap up often, and beat against the bow-bent iron, the motion of the hasp should be slackened, and the fire increased, and if the thread comes off in burrs, knobs, or lumps, it must be turned quicker, and the fire diminished. Of this, the reeler, who keeps her eye constant- ly upon the cocoons and the threads, must, as she sees occasion, apprize the person who turns the hasp; that it may receive its proper motion, which ought to be as quick as possible, without endangering the breaking of the thread, or hur- rying the reeler, so that she cannot add fresh cocoons when required. To keep the requisite degree of evenness in the thread requires attention, skill, and prac- tice. The reeler must not wait until the fibre of a cocoon is entirely exhausted before she puts on another, because as we have already explained, as the cocoons approach to their end the fibres become much finer. It is in- dispensable to attend to this circumstance, as well as to the breaking of the threads, in order that the requisite degree of evenness, without which the silk cannot be profitable, may be preserved throughout the threads. This gradually decreasing thickness of the ’ SILK CULTURIST’S MANUAL. 315 fibres is in such a proportion, that where half wound cocoons, after breaking, are again add- ed, two such are considered equa! to one that has not been used. Thus the union of three new and two half wound cocoons is equal to four new cocoons, therefore if the reeler does not take care to preserve the equality of her threads, by adding fresh fibres to strengthen them, they will break at the crossings. As we have already said, she must not wait until one or more cocoons be finished before she joins others to her threads ; for by such delay she would not only expose her threads to break, but she would make besides a very unequal and bad quality of silk; and as far as it may depend upon her, she must pre- vent the threads from breaking; and when this accident is too frequent, it may generally be imputed to her carelessness or to her want of skill. Whien the reeler neglects to purge complete-: ly the cocoons before the reeling, knobs of loose silk rise with the fibres and stup either at the holes of the bow-bent iron, V, or at the cross- ings, and cause the rupture of the threads. If she do not conduct skilfully the deating, so that the cocoons be on all sides well steeped, the silk will not wind off ; the cocoons will rise with the threads and make them break. The cocoons must not be reeled off to the last, 316 SILK CULTURIST’S MANUAL. because when they approach their termination, the husk or pellicle of the worm, is carried forward with the threads and makes the silk foul. When the silk is nearly wound off, those small pellicles remain, and the cocoon being then too light to continue in the basin, will rise to the bow-bent iron, and if not immediately removed would, by stopping the passage, oc- casion the breaking of the threads. It will not unfrequently happen in reeling, that the two threads in passing from the bow- bent iron to the distributing rod, will become entangled with each other, and pass on together to the hasp, and this, from the rapidity of the motion, may continue for some time without being observed. We call that marriages. When this is perceived, the reeler must imme- diately order the turner to stop, and then the — hasp is to be turned on the opposite side, so as to unwind the silk to the place where the marriage began. When it does not extend to any great length, the united threads are separated, and one of them is broken off, and the reeling con- tinues; but if it should extend to too great a length, then a knot is to be made at both ends of the united threads, and the reeling goes on; when the silk comes afterwards to be wound off on bobbins from the hanks, which is the busi- SILK CULTURIST’S MANUAL, 317 ness of the throwster,* those united threads are broken, and considered as waste; therefore it is of great importance that a reeler should pay the greatest attention to prevent these accidents which are the cause of considerable loss. The supplying of fresh fibres requires readi- ness and dexterity which can only be acquired by practice ; and there are no reelers suflicient- ly expert to give the necessary attention to more than two threads at the same times; it is proper, therefore, never to reel more than two threads at once. . In order to be always ready to add fresh fibres, to replace those which break or come to an end, the reeler must from time to time throw an additional supply of cocoons into the basin for this object. Even this little matter requires to be done with judgment, for if any of the cocoons should remain too long in the basin, their gum would be dissolved, and the silk would come from them unequally; the same thing would happen if the reeler was un- der the necessity of leaving her work for any length of time; in that case the cocoons should be all taken out of the basin, until her return. Raw silk may be wound of any size, from two cocoons, to one hundred, but it is very difficult * See page 326. 28* 318 SILK CULTURIST’S MANUAL. to unite more than thirty fibres in one compact thread. The art consists in reeling an even thread; for as the fibre of each cocoon is not of one uniform tenuity throughout, the skill of the reeler is required so to form her threads, that the same thickness may be continuously preserved throughout the hanks. This per- fect equality is so difficult of attainment, that the degree of thickness in the silk is never exactly defined; and, with the exception of a thread of two cocoons, which is so called, silks are not distinguished as being composed of three, four, or five fibres, but as we have already observed, are said to be of three to four, four to five, or five to six cocoons. Coarser silks are not even so particularly de- fined, but are called from twelve to fifteen, from fifteen to twenty cocoons, and so on. The reeler must always, during the operation of reeling, have at her side a bowl of cold water; into which she may dip her fingers; for without. that precaution, she would be unable to bear the heat of the water in the basin. With that bowl of cold water she may also, from time to time, as occasion requires, abate the heat of the water in the basin. | It is not only of consequence to the facility of reeling, but also to the quality of the silk pro-. duced, that the water should be of a proper tem- SILK CULTURIST’S MANUAL. 319 perature, and as clean as can be; and it is for these reasons that Mr. Gensoul’s apparatus is so useful in large filatures, and should be general- ly adopted in establishments of that kind. As to those who wish to reel their cocoons on a smaller scale, it isnecessary that they should be told, that the water in the basin must be changed twice a day at least, when good cocoons are reeled, and four times a day when dupions or other bad co- coons are wound. The chrysalides and husks contained in the cocoons very speedily make the water foul, and, for that reason, these frequent changes are needed; for if the water employed be not very clear, it will be in vain to look for the production of fine, brilliant silk. Two hanks are wound upon the hasp at the same time; when these are completed, they are set in the shade to dry, without being removed from the hasp, which, for this purpose, can be readily disengaged from the frame. These two hanks will occupy the morning’s labor. In the afternoon a fresh hasp is employed, and two other hanks are wound, which are set apart un- til the morning, that they may be dry before _ they are removed from the hasp. Although this operation needs no instruction, yet we shall take occasion here to mention some things which will be found useful. One cannot consider attentively the manner 320 SILK CULTURIST S MANUAL. in which the silk is reeled from the cocoons, without observing that the fine fibres of which the thread is composed, are liable to suffer very different degrees of stretching, as they are winding from the cocoons. If the cocoons _ are not well sorted, this different degree of ex- tension will be greater, and, even when they are well sorted, they are still subject to dif- ferent stretching, because some always remain a little longer in the hot water than others, and therefore yield their silk more easily, and also, because the finest fibres of some cocoons wind off with the strongest of others. The fibres being thus stretched unequally, will occasion (when the hank is taken from the hasp too suddenly,) those fibres which are most stretched, to contract more than others, by which their union will be in some measure destroyed, and the thread composed of them, rendered less compact and firm, the single fibres appearing in several places disjoined from one another. To prevent this, the reeled silk, should not be suddenly taken off the hasp, but remain on it until the unequal extension which it suffered in winding, is, by the stretching which it un- dergoes, brought as much as possible to an equality, and until the thread by being well © dried, has all the fibres of which it is com- SILK CULTURIST’S MANUAL. 321 posed, firmly united. This is only effected by having two hasps for each reel, so that when one is full, the reeler may proceed to wind upon the other. When the skeins are quite dry, ‘and while they remain on the hasp, they must be well cleared of all knots, or gouts, loose threads, (if any there be,) and other impurities; this must be done with the hand alone, any other mode is expressly prohibited by the ordinance of Piedmont, as will be seen in the tenth chapter; after this, the silk is taken off by taking out the wedges, and folding the arms. Before that, each skein is then to be tied round in two places with some of the refuse silk, it is after- wards doubled into a hank, and is considered ready for use or sale. We repeat here that evenness of thread, and the absence of knobs or gouts, which, among manufacturers give to silk the name of being foul, are the leading points which determine its value in the market. As to the floss, coarse and lcose silk which was on the outside of the cocoons, it is carded and spun on the wheel; as is also the third layer of the cocoons, being first softened in water and soap. We need not give any information to the farmers as to the manner of performing this ope- ration; they are sufficiently familiar with it. 322 SILK CULTURIST’S MANUAL. The further management of silk, with the various manners in ae it is thrown, and pre- pared to be woven, do not come within the per- view of this treatise, but will, nevertheless, be briefly explained in the next chapter. Sorting the silks for exportation is a subject which will require great attention and care. In the year 1774, when a filature was establish- ed at Philadelphia, under the patronage of the American Philosophical Society, at the sugges- tion of the illustrious Franklin, Dr. John Mor- . gan, an active and zealous member of that insti- tution, carried on a correspondence on the sub- ject of silk, with Messrs. Hare and Skinner, then respectable silk merchants in London, Two of those gentlemen’s letters were pub- lished in 1785, (alas, too late, for the filature had then disappeared, ) in the transactions of the Society.* In one of those letters, dated July 27,1774, Messrs. Hare and Skinner write as fol- lows: “The large quantity of raw silk that con- tinually arrives from China every year, being mostly of a round or large size, will a good deal interfere with the sale of yours, provided you make it of the same; therefore, we by all means recommend your reeling yours of the fineness of five or six cocoons, no coarser at any rate, if * Vol. ii, p. 347. SILK CULTURIST’S MANUAL. aoa avoidable. And we further beg leave to re- commend your giving orders to your workmen to be extremely careful in assorting the silk, observing that all that is put into one parcel, be exactly, if possible, of the same fineness, for if it is not, it will very much prejudice its sale; a neglect in this particular, is complained of in all the silk that has hitherto been received from America. If the silk, which was very good in itself, that we received from Georgia, had been properly assorted, we certainly should have sold it 1s. 6d., or 2s., per pound, better than we did. If you reel your silk fine, the China silk will rather promote its sale than otherwise, as it is necessary to have fine silk to work up with that of China.”’ 3 This letter is suited to the time in which it was written. If large filatures should be estab- lished in this country, the managers will do well to follow the instructions of their corres- pondents in England and France as to the quali- ties of silk that are to be sent, as they vary with the different stuffs which are made in the manu- factories, and these depend upon the fashions of the day. But the reeling and sending proper assort- ments of raw silk, will require tne greatest at- tention. Ifa bale of that article should contain silks of various dcscriptions, without attention 324 SILK CULTURIST’S MANUAL. to what may be wanted, it will give infinite trouble to sort them afterwards, and will great- ly lessen the price of the article. The reelers, therefore, when they leave a filature to set up for themselves, should be instructed as to the qualities of silk that will be wanted of them, otherwise they will work at a venture, and those who purchase their silk will be at a loss what to do with it. This, alone, is sufficient to show the advantage of large filatures, which will serve as guides to the domestic reelers, fa- cilitate their work, and increase their profits. CHAPTER IX, OF THE PROGRESS OF RAW SILK UNTIL IT COMES TO THE HANDS OF THE MANU- FACTURER. We do not mean in this chapter to instruct the reader in the various arts to the operation of which our precious material is subjected af- ter it comes out of the hands of the reeler, when, and not before, it becomes entitled to the denomination of raw silk. We have already said that those different operations have nothing to do with agriculture, and that they belong to different mechanical trades or professions. Our object is simply to show the different changes which silk undergoes after reeling, until it comes to be manufactured into an immense variety of forms, which require different preparations, as well in the reeling as in the throwing of the delicate material. We also wish to show the impossibility of performing any one of these operations at the same time with reeling and by the same machinery, and that the so much spoken of machine, which is said to reel and twist silk at the same time, is either the produc- tion of imposture or of ingenious ignorance. 29 326 SILK CULTURIST’S MANUAL. From the filature, the silk, after being pro- | perly reeled, and the hanks dried, cleaned and = made up in the manner above directed, passes» into the hands of the ¢hromwster, to be converted | into what is called organzined, or thrown silk. The principal operation here is ¢westing, which | is done by means of the throwing mill or ma- chine, which is very complicated and fills a. large room. But before the silk is put to the: mill, it is to receive several preparations, by | means of separate subordinate machinery. | Those preparations are : | ist. Winding on bobbins. The raw silk,, which the throwster receives in hanks, is now wound upon bobbins for the facility of twisting. | This is done by means of what is called a wand- ing machine, consisting of several slight reels: all of the same form called swzfts. They are placed at some distance from each other, so that: several hanks may be wound at the same time. . Dr. Lardner has given a drawing of one of those: swifts, in his Treatise on the Silk Manufacture, , page 199, Lond. dit. 2nd. Cleaning or purging. Dr. Lardner does | not speak of this second operation, for what. reason we know nots but we have seen it con- stantly performed in France, in the throwing} establishments, and it seems to be absolutely necessary, because silk, particularly that of the \ SILK CULTURIST’S MANUAL. 327 domestic filatures, seldom comes to the throw- ster perfectly free from knobs or gouts, and other impurities. These are removed by means of _an instrument called the cleaner, of which we have not seen a description any where. 3rd. Doubling. This operation is that of joining two or more threads of the same silk to- gether, according to the nature of the different fabrics in which it is to be employed. Some silks receive, before this operation, a slight degree of twisting at the mill, and a stronger one afterwards. All silks do not require the same degree of twisting, nor are they all to be twisted in the same manner, but some ina right hand, some in a left hand direction, and others in both directions. See Lardner, pp. 203, 204, where a drawing of the doubling machine is given. The silk is now ready for its final twist. This operation needs not be deseribed. Those who are curious of knowing it, will find a descrip- tion of it with drawings, in Lardner’s interest- ing work. From the throwster, the silk goes to the dyer, who first boils it in soap and water, to dissolve the gum that still adheres to it; afterwards he dyes it of various colours, and hands it over to the manufacturer, who weaves it into different stuffs. © Sewing silk, however, is perfect, after it is 328 SILK CULTURIST’S MANUAL. thrown and dyed. It is then fit for use and re- quires nothing to be added to its so that the manufacturer of sewing silk is properly the throwster. Itis easy now to perceive that even | sewing silk cannot be made. at the same time, nor by the same machinery which is employed to prepare raw silk. Much less can organ- zine, tram or singles, beso twisted, that are des- tined for the making of different stuffs, most of which require a different mode and degree of twisting. CHAPTER X. PIEDMONTESE ORDINANCE, CONCERNING FILATURES AND SILK REELS, Of the 8th of April, 1724. Articue Il. Every one who shall wish to esta- blish a filature of silk, whatever may be his quality, shall every year before he puts his fila- ture into operation, present himself at the office of the Secretary of the Consulate, if he (the owner) lives in the city of Turin or its districts, and at the office of the ordinary judge, if he lives in another town or village, and there shall make his declaration, and bind himself to ob- serve and cause to be observed, the following regulations, under the penalty of losing the reeled silks or their value for want of such de- claration and engagement. The Secretary of the Consulate shall keepa particular register of the declarations for the District of Turin. The ordinary judges shall transmit the de- clarations made before them to the said Secre- tary, within fifteen days after they shall have been made, otherwise they shall pay the costs and chargesof the commissioners whom that *29 ~ 330 SILK CULTURIST’S MANUAL. ‘ magistrate shall be obliged to send upon the spot to receive them. Of these the Secretary shall keep a separate record. In case those declarations shall be made by the servants and not by the owners of filatures, the latter shall be civilly responsible for such declarations. ArT. II. Every filature of more than three reels, shall while in operation, be superintended by an able and skillful person who shall watch over the observation of the following regula- tions. ‘The owner shall make him known to the Secretary or to the ordinary judge, under the penalty of 25 golden crowns, (about $45.) Art. III. In order to reel silk, the good co- coons must first be separated from the double, spotted and imperfect ones; the floss must be cleanly taken off, and the various qualities must be reeled separately from each other, putting in- to the basins a sufficient number of cocoons, ac- cording to the quality that is to be reeled; the reeler must besides be very attentive to her work, that the thread be drawn perfectly equal; the whole under the penalty of 25 crowns, to be paid by the owner or those of his servants who shall be present and consent to a similar mixture, and of ten livres Piedmont, (about 2 dollars) to be paid by the reelers for each contravention. SILK CULTURIST’S MANUAL. 331 Art. IV. The silks must be spun of two threads only, so that there be on the hasp no more than two hanks; ‘those threads must be crossed at least 15 times for fine and superfine silks, and for other silks a greater number of times, according to their respective qualities ; for the thicker and coarser the silks are, the of- tener must they be crossed, which must not be done while the hasp isturning. Whenever the threads shall meet, and roll up thus doubled in- toa single thread, on one of the two hanks, the hasp must be turned in the contrary sense until the place shall be found where the threads be- gan to be joined, and the double thread, must be placed in the middle of the hasp between the two hanks, so as to form a little band which will serve afterwards to tie up the said hanks; it being forbidden to tie them up with any thing else under the above penalties, besides the loss of the silk. Art. V. All the silks must come out well purged, very clean and very equal, according to their respective qualities. Art. VI. The posts between which the hasp is fixed, and those which support the distribut- ing rod ought to be placed at the distance of two Piedmontese feet, (equal to three feet 103 inches American measure,) from each other, so that from the hasp to the guides there be a suf- 332 SILK CULTURIST’S MANUAL. ficient distance, that the crossed threads, as has been said above, may come to the hasp drier and in better condition: all that under the penalty of 25 livres for every reel otherwise disposed, to be paid by the owner of the filature. Art. VII. The hasp shall be of no more than 48 nor less than 40 ounces (a Piedmontese measure) in circumference. Nevertheless all the hasps of the same filature, shall have an uniform cir- cumference, under the above penalty of 25 livres, &c. Art. VIII. The hanks shall not be taken from the hasp until they are perfectly dry; and therefore every reel shall be provided with two hasps and with four, if the reel is double, under the above penalty. Art. IX. The hanks of the first and the second quality shall not weigh more than 3 or A ounces each; nor those of the third and fourth quality more than from 6 to 8 ounces, under the above penalty. Art. X. Each hank as soon as it is taken off the hasp, shall be folded with two folds only; and shall not be tied with threads, nor with waste nor floss silk ; one end of the hank shall only be passed through the other, so that it may easily be known whether there is any fraud, and whether the reeling has been done accord- ing to this ordinance ; all this under the above - penalty. SILK CULTURIST’S MANUAL. 333 Art. XI. The water of the boilers must be changed three times in a day; at the same time the cocoons must be well cleared of their floss, in order that the silk may come out clean, equal, and without floss, as there must come out of each ub of cocoons (18 pounds and 12 oz. French) at least about one pound of floss, regard being had to the quality of the cocoons, and this under the penalty of 10 livres for each, contravention, to be paid by the reelers. _ Arr. XII. (This article is merely fiscal.) Arr. XIII. The reelers shall be paid by the day, and not by the job. In case of contraven- tion the owner shall lose all the silk reeled, and the reeler shall pay a fine of 20 livres, be- sides the loss of her salary. Art. XIV. Every furnace shall be provided with a pipe or flue, of a sufficient height that the smoke may not fall on the hasp, under the penalty of 25 livres to be paid by the owners. Art. XV. The boilers or basins must be oval and thin, and a quarter of a ras deep, (one foot American measure) each provid- ed with a wooden cover. The reels shall have two sets of cog-wheels. The large hori- zontal wheel, or pinion, which moves the dis- tributing rod, shall have 35 cogs or teeth; the one underneath called the star shall have 22; the one next to the nave of the hasp called the 304 SILK CULTURIST’S MANUAL. great bell, shall have 25 teeth; and the one fixed — to the centre of the nave, called the Uttle dell, shall have 22. That machinery must always be kept in good condition, it is expressly prohi- bited to make use of reels with a cord without end; the whole under the above penalty of 25 livres. Art. XVI. Every reel employed in spinning silk of the first and second qualities, shall have a skillful person to turn the hasp, to whom it is prohibited to do it with the feet, under the pe- nalty of 5 livres. Art. XVII. It shall not be lawful for the reelers or any one else to cleanse the silk either on or out of the hasp, with needles, bodkins, or © any such instruments, under the penalty of 10 livres. Arr. XVUI. Under the same penalty it is forbidden to smooth the hanks on the hasp or elsewhere with any kind of liquid, even with pure water, the silk must be cleansed with the hands alone, and with nothing else. Art. XIX. All silks that shall be found to be defective, and not to have been reeled each according to its quality, in observance of the forms and the rules prescribed in and by the preceding articles, shall be seized without re- mission, and be moreover liable to the above penalties, after a simple summary recognition SILK CULTURIST’S MANUAI,. 335 of the defects; those silks shall be publicly burnt, saving to the owner his recourse against whom it may concern. The throwsters res- pectively shall be obliged to denounce the de- fective silks that they shail receive, and to make known the person from whom they shall have ‘received them, under the penalty of 25 golden crowns to be paid by the owners or di- rectors of filatures who shall be found in con- travention. Arr. XX. As to ordinary silks, that is to say silks of the last quality, commonly called fag- gottry, after having separated, as is above pre- scribed, the good cocoons from the double or imperfect ones, the reeler shall in beating the cocoons, draw up the coarse filaments three times to the height of half a vas, (two feet, American measure,) above the boiler, that the silk may remain well purged and cleaned, un- der the penalty of 30 sous for each pound of silk. Art, XXI. In order to insure the due ob- servance of these regulations, the consulate and the ordinary judges shall be obliged in the reel- ing season, respectively to visit or cause to be vi- sited, by experienced persons, the places where silk shall be reeled, taking all necessary infor- mation to discover contraventions, so that they may proceed against the delinquents, and in- flict upon them the above penalties. The or- 300 SILK CULTURIST’S MANUAL. dinary judges and those who shall be appointed - by them to make such visits shall not demand or receive any fees for their labor, costs or charges, until the end of the law suit according to the taxations which shall be made by the consulate. Scopes a SF Se ee LUTES. APPENDIX. Plate. 0 Stlle Reel. 4 A Sa) he i —- ia : | CGeansouls Steam. apparatus ror Ste rilatures. raat int sane: AN APPENDIX. A. CORRESPONDENCE OF MR. BOUCHER OF PARIS, WITH MR. DU PONCEAU. From Hazard’s Register of Pennsylvania. Noe tt. From the Chevalier de Pougens, to Peter S. Du Ponceau. Paris, 23d August, 1830. I enclose a letter from M. Boucher, the first of our Parisian merchants in the silk line, Rue Francaise, No. 2. I think I do you pleasure in communicating it to yous You may keep it. No. 2. From M. Boucher to the Chevalier de Pougens. Parts, 20th August, 1830. I am honored with your letter of the 12th, instant. I must tell you with frankness that I do not at all believe in the success of the beautiful project of your honorable friend Mr. Peter S. Du Ponceau, of Philadelphia; I consider it as the dream of an honest man. In support of my opinion, I will cite two gigantic undertakings which have failed within the last few years. I must refer you to the nine first lines of the fourth page of the French pamphlet you have addressed to me.* Yes, sir, practice is every thing * This reference is to the French translation of the Report of the Committee on Agriculture, of the House of Representatives of the United States, of the i2th of March, 1850. The words referred to are in the English text as follows: ‘It is 340 APPENDIX. in this art, and theory very little. Your young man, M. D’Homergue, may have a great deal of knowledge of the silk trade, but he cannot have the knowledge and ex- perience of old manufacturers; a thousand obstacles will arrest his progress, as happened to men of great experience, of whom I am going to speak to you. In the southern part of Russia, on the confines of Persia, the Caucasian mountains produce a considerable qu intity of cocoons, of which the inhabitants cannot make any use. Two Frenchmen, one of them Mr. Didelot, a great me- chanician, and the other a man from our southern depart- ments accustomed to the filature of silk, took with them an old director of filatures from St. Jean du Gard, and a few female reelers to found an establishment. ‘They ob- tained from the emperor of Russia, large grants of land and buildings at Tifflis, large sums of money were advanced to them by the emperor; they began to reel silk,—we have seen some small samples of it that left nothing to be wished for; but they did nothing more, they could not supply their establishment with female reelers, the silk which those women reeled, apparently very fine, could not be thrown, and in the course of four years, all the capitals were sunk, the emperor abandoned them, one of them died, and the other returned to France, poor and destitute. The director of the filature and the female reelers could not return for want of money. further demonstrated in those Essays, (Mr. D’Homergue’s,) and in a memorial lately presented by the manufacturers of silk stuffs, of Lyons, in France, to the Minister of Commerce and Manufac- tures, that the art of filature can only be acquired by practical instruction, by some one intimately acquainted with, and accus- tomed to that process. That no human skill or ingenuity, unaid- ed by practical instruction, is capable of acquiring that art to any profitable extent,” APPENDIX. 341 The second undertaking is still more extraordinary ; it was made by a man of eminent merit in the sciences con- nected with the useful arts, and in the part of France where the greater quantity of silk is reeled (but by rote.) This undertaking has recently failed; out of a joint stock of 1,100,000 francs, (220,000 dollars) the concerned will only have 15 per cent. of their capital, out of the pro- ceeds of the sale of the real property. I send you here- with a printed copy of their articles of co-partnership,* which you may send to your friend Mr. Du Ponceau. I do not mean to say that the project of establishing filatures of silk in the United States should be abandoned; but it should be pursued with prudence, if profit is intended to be made by it, and it must not be believed that in two or three years America can supply England and France with part of the silk they want. ( The sixty young men to whom you will have in two years taught the theory of the art, will not be able to pro- duce any thing, if they have not an overseer to attend to the quality of the silks which they shall cause to be reeled, and facilitate the disposal of it in the way of trade. They will meet with a thousand obstacles from the female reelers, and will for some years only produce raw silk unfit to be thrown, and yet those silks will appear very fine. I would advise Mr. Du Ponceau to cause himself to be appointed director of a pattern filature, of which Mr. D’ Homergue should be the overseer; that filature should be managed for account of the Government, and the object in view for the first year should be rather to instruct, and form female reelers, and male directors or overseers of fil- atures, than to make silk for sale. I would expend as little as possible in mechanical apparatus, and adjourn the em- ployment of Gensoul’s machinery; it is only good for * This document was never received. 30* 342 APPENDIX. saving fuel in large establishments, and when old experi- enced females can be obtained, for raw silks of three and four cocoons fit for organzine, but which are entirely use- less for the raw silks employed in making sewing silk and singles; the overseer may teach the art to grown women, and employ to turn the wheel girls from 12 to 15 years of age, who after a few months of exercise, will try to reel under the superintendence of the elder reelers; who will turn the wheel for them some hours in the day. It is thus that the thing is practised in the best filatures of France. All those who have devoted themselves to the filature of silk, have imagined that the greatest merit was to be able to reel from three to four and from four to five cocoons, and to produce a thread regular to the eye; but it is recognized by old reelers that it is easier to reel fine silk, than silk of 12 to 15 and 15 to twenty cocoons. The most essential quality of raw silk is to be easily wound or thrown and twisted, the more waste results from those operations, the more imperfect the silk is, and the more expensive the throwing; in my opinion the overseer, in order to hasten the instruction of the female reelers, should only permit them at first to reel threads of from 15 to 20 cocoons, the next day he should put another reeler at the basin, and employ the former in winding off the silk she had reeled the day before on bobbins, such as are used by the makers of sewing silk,so that it might be sold to them ready wound off. That your filature may reach the desirable degree of perfection for raw silk of from 15 to 20 cocoons, it would be necessary that like that of Bengal, called Cossimbusar, they should suffer in throwing only a waste of one half per cent., or like the French silks of Alais and the De- partment of Gard, only one or two per cent; all other silks in the world from 15 to 20 cocoons, are worse reeled. ‘Those of Bursa, in Asiatic ‘Turkey, lose from 6 to 8 per APPENDIX. 343 cent., those of Calabria, called Girelle from 8 to 12; those of Spain, called Tramas of Valencia, from 6 to 8; those of Syria from 15 to 25. Those of Salonikiand the Morea are still worse. Instead of attempting to reel silk of every quality, the United States should supply the trade with raw silks of from 15 to 20 cocoons, in bales of the weight of one hundred kilograms, (about 200 lbs.) Some years afterwards the same reelers might spin 10 to 15, afterwards 8 to 10 and 6 to 8 for trams: in about ten years only, you might reel 5 to 6 and 4 to 5 for organzine, if the cocoons have nerve enough to bear twisting. The skeins of Bengal silk are of the weight of two ounces; with a good distributing rod, they might with- out inconvenience be made of 4 to 5 ounces. ‘The skein must be all of one single thread, and so that it may be fastened by crossing the first and the last end. ‘There must be a good deal of twisting or crossing the threads in reeling, and the knobs or gouts must not be suffered to pass through. ‘The selecting or separating of the cocoons is a ‘most essential thing; all the double cocoons that we call dupions are to be put aside to be separately reeled, the stained are to be separated in like manner. The yellow and white cocoons must be separately recled, to obtain a lively yellow and a pure white. The silk will be handsomer, if the cocoons are first stirred in a basin of hot water of from 167° to 203° Fahr., then carried to the reeler’s basin, the heat of ~ which may be only 99°. You will thereby prevent the _ water being colored by the decoction of the chrysalis, and the silk from being tarnished. The water in the reelers’ basin must be changed at least four times a day. ‘I'he more persons there are to oversee and watch the reclers, the more attention they will pay to their threads and to their basins. ‘The bro- ken threads must be tied up, and marriages (when two JAA APPENDIX. threads accidently join by passing through the same hole in the distributing rod) must be taken off. This is done in reeling silks of 3 to 4 cocoons, and still better in those of 15 to 20. They have been for some years in the kingdom of the Netherlands and in England, attending to the culture of the mulberry. Experiments have been made for raising silk worms, and it is pretended that they produce superb silks for their brilliancy. I am inclined to believe it, be- cause in those damp countries, vegetation being quicker and the worm better fed, they must yield more abundant crops; but this speculation is only founded on experiments on a small scale. Mr. Christian asserts that a pound of silk may be made out of eight pounds of cocoons, while ten are commonly employed in silks of from 15 to 20; eleven in those from 10 to 15; twelve in those from 7 to 8; thirteen in those from 5 to 6 and 6 to 7; and fourteen in those from 3 to 4 and 4 to 5 cocoons; but I think it is an error, produced by the dryness of the cocoons at the time of making the experiments. In fact 12 lbs. of co- coons, just out of the nursery, produce some months after only 8 lbs. because the humidity which is in the gum evaporates, and the chrysalis itself loses of its weight by the baking of the cocoons, to prevent the moth from escaping. In cold damp countries the feeding of the silk worms is very uncertain; because the leaves, wet by the rain, oc- casion diseases among the insects, and the white frost may in one single night destroy all the leaves, which is less likely to happen in Italy and the south of France. In those countries one half only of the eggs on hand is put to i hatch, to divide the chance of an adverse temperature, and — some weeks afterwards the other half is put out, if both suc- ceed, the crop is more abundant; it rarely teppens that the two crops fail. APPENDIX. 34a If you think that this letter contains any thing that may be useful to your honorable friend, Mr. Du Ponceau, you may transmit it to him. If it should be agreeable to him, I shall continue with him this correspondence on the sub- ject of silk. 1 would recommend to him to begin on the small scale his experimental filature; he has nothing but the reels and the basins to purchase, to begin to reel. I annex to this letter a sample of Spanish raw silk, reel- ed in the neighborhood of Valencia,* of the quality called Trams, of from 15 to 20 cocoons. This is only fit for thick stuffs or fine sewing silk. Raw silk of from 15 to 20 cocoons, is best fitted for sewing silk. There is a great deal more to be said on the subject of filature ; but I am obliged for a beginning to confine my- self to what appears to me the most urgent, Accept, Monsieur le Chevalier, My respectful civility. L. J. BOUCHER. - No. 3. From M. Boucher, to Mr. Du Ponceau. Paris, June 3, 1831. Sir :—TI received on the 24th of last December, your interesting letter of the 18th November. A long sickness, of which I am now convalescent, has been the cause of my not having answered it sooner. I wish that the letter which I addressed on the 20th of August last, to your re- spectable friend the Chevalier de Pougens, may be useful to you. That friend will have sent to you.some weeks ago, a pamphlet entitled «« Du commerce des Soieries en France’ (on the silk trade in France.) This work, writ- ten by a friend of mine, Mr. Leon De Teste, of Avignon, will interest you. * This sample was never received. 346 APPENDIX. - I have carefully examined your samples of white sew- ing silk.* It is what we call demie grenade, or ronde- lette. It is made of dupions, (double imperfect cocoons, )t two threads of the raw silk are twisted together, then closely united by a second twist more or less strong, and thus sewing silk is made either white or to be colored. Our rondelettes, in the raw state,t are worth here 15 franes per pound, avoirdupois, with a discount of 123 per cent. To this you must add one frane 25 centimes for dye- ing, 50 centimes for packing, the loss of weight after ex- tracting the gum and dyeing, 25 per cent. and thus you have the price of dyed rondelette, 21 francs per pound. You must compare this price, deducting the freight and im- portation duties, with that your women get for it at home. It is a branch of industry yet in its infancy: this silk is very irregular, as well in the reeling as in the twist- ing .§ Your project for introducing the filature of silk, is grand and deserving commendation ; do not, however, go too fast in endeavoring to spin fine threads; you would do bad work. You will, indeed, have pupils well instructed, but the improvement of the female reelers by practice, will require years. As to the manufacturing of stuffs, it will require still longer time; and moreover it remains to be decided whether the high price of labour in your country, will not be an obstacle. What you say of Mr. D’ Homergue gives me great hopes * This wasa sample of sewing silk made after the manner of Connecticut. It was a most favorable specimen. {This sample was made of the best silk of the best cocoons. +The writer speaks here of the French sewing silk. §The writer gives his opinion as delicately as he can, and ‘reluctantly at last comes to this conclusion which cannot be mis- understood. APPENDIX. 347 as to the reeling of raw silk;* he must know how much the reelers of Alais, Anduse and St. Jean du Gard have improved their filatures, while not far from thence at Salon, the art has declined, and it isthe same at Tours.t+ Your experimental filature of ten reels, is becoming in- teresting. Your raw silk, spun of six cocoons, if the threads are regular, the ends tied in knots, marriagest taken off, and the silk made up in small skeins, will suit to make trams of two threads, and even organzine fit for the manu- facturing of Florence of Avignon—but it will have to stand the competition of our own silks, as well for the price as for the throwing. England at this moment is more in want of raw silks of from 3 to 4 and from 4 to 5 cocoons, than from 5 to 6.§ Ican say nothing of Mexico. I shall receive with great pleasure the sample of your raw silk which you intend to send me, and I shall tell you what may be done with it. I should prefer receiving silk of 15 to 20 cocoons, like the sample of Spanish silk called * The writer seems at first to have considered Mr. D’Ho- mergue as a mere dealer in silks, not familiar with the various processes of their manufacture. + If the art of extracting silk from the cocoons were as easy as some pretend, there would not be so much difference be- tween the raw silk made in different places even in the same country. There is no such difference in the spinning of cotton, flax, or hemp, the value of these depends solely on the quality of the material, not on the skill of the spinners. + Marriage is when two threads in reeling, through the inat- tention or unskilfulness of the spinner, pass through the same hole in the distributing rod, and thus get improperly joined. § The texture of our silk is so very fine, that the English manufacturers to whom samples of it were sent, have desired that it should be reeled. from 7 to 8 cocoons, instead of 4 to 6, which is only equal they say to 3 to 4 of Italian silk. Notwith- standing this extreme fineness, our silk is found to excel in stregth and nerve. 348 APPENDIX. tramas de Valencia, which I have sent you.* I would advise you to try your silk by means of a proof reel, which you might get made of 400 turns of a wheel of an ell’s (44 French inches) diameter. 400 ells by their weight in grains of mark weight, give the standard weight (¢#re) which is called deniers.t| Say 15 grains or deniers, sin- gle thread, or 30 deniers double thread. By this means you will be in harmony will all the manufactories of Eu- rope. I am like yourself, very much astonished that you have boiled your raw silk, without throwing it, either from tram or organzine; it must have been twisted or crossed a great deal in the filature. The silks of Bursa in Asiatic Tur- key of 20 to 30 cocoons produce the same effect; but with six cocoons it is most extraordinary. Do not trust always to it, however; alittle too much boiling in the dyeing pro- cess, may render the silk unfit to be wound. I do not conceive how you can have made a piece of stuff with one single thread of raw silk reeled from six * This sample was never received. + The word denier means literally a pennyweight, here it seems synonymous to grain. Denier is a technical term in the English as well as in the foreign silk manufactures. The proof reel is employed to test the quality of the silks, a given length of thread well reeled gives an ascertained weight ; if it should fall below or rise above the standard, it is considered ill reeled in proportion to the difference. The Chamber of Commerce of Lyons in France, cansed a sample of American silk reeled by Mr. D’Homergue himself, to be thus tried by a sworn assayer. The report was, that “the raw silk obtained! in Philadelphia was of an extraordinary quality, well adapted to all the uses of fabrication. Its degree of fineness was 16 deniers. It was fine, nervous, good, regular, clean, of a fine colour; in short it united all the qualities that cuuld be wished for. Its price was estimated at 26 francs per pound; at Nismes, afterwards it was estimated at 30 fr. APPENDIX. 349 wocoons, it must have been very light.* I understand better that you should have trammed your second flag of ’ four threads ; but your dyeing on the piece, particularly of two colors, must have made their silk look like an old piece of stuff dyed a second time, consequently without lustre and crispy.t : I have observed that in a temperate climate, silk is al- ways more brilliant, nervous and mellow, with livelier co- lors than in very hot countries; this comes from the na- ture of the mulberry leaf; but in those countries, there is the danger of white frosts and frequent rains, which are seldom experienced in Italy and India. ‘This danger may perhaps cause the silk culture to be abandoned. Be so good as to give me some information respecting the tem- perature of the United States of America, particularly in the spring season. I have been assured that the English have invented ma- chines of iron and copper for throwing of silk, of much greater activity than that of our wooden throwsting mills. I am well aware, sir, that the love of your country and not the thirst of gain, induces your efforts for introducing the filature of sik into the United States. I wish you complete success, and shall willingly contribute to it in every thing that will depend upon me. I shall with plea- sure follow your progress. Write to me as often as you please, do not spare me, you will receive speedy answers. I am, &c. L. J. BOUCHER. *The writer speaks of the flag presented to the Legislature ef Pennsylvania. The warp of the stuff only was of one single thread, which was doubled for the woof. The stuff was indeed extremely light: twelve feet by six feet and a half, weighed only nineteen ounces. +This mode of dyeing was adopted for the flag presented to Congress, because it was thought proper to make it all of one 31 - APPENDIX B.” THE HISTORY OF THE SILK BILL: In a Letter from Peter S. Du Ponceau, LLD. to David B. Warden, Esq. late Consul of the United States, at Paris, Member of the American Philosophical Society, Corresponding Member of the Institute of France, §c. §c.* | Puitavetputa, 29th July, 1837. Dear Sir, I have received your favor of the 24th of May last, in which you desire me to send you a copy of the re- port made by the Committee on Agriculture to the House of Representatives of the United States, on the 12th of March, 1830, which was accompanied by a letter from me to the ehairman of that committee, dated the 23d.of February preceding, in which, at his request, I suggested a plan for piece, and there was no time to prepare a suitable loom to weave different colours. In consequence of this the stuff had not the lustre it would otherwise have had; but was not crispy. The warp of the flag presented to the Legislature of Pennsylvania was entirely white, which gave to the colors a changeable ap- pearance. This was wished to be avoided in the other. * This letter has never been before published. It was writ- ten to Mr. Warden, to enable him to give some information to the Agricultural Society of Paris, of which he is a member, on the subject of the silk culture in this country. Mr. Du Ponceau had only a few copies of it printed for distribution among his friends. He sent a copy of it to Mr. Randolph, Chairman of the Committee on Agriculture of the House of Representatives of the United States, with his answer to some queries addressed to him by the Committee, who mentioned it in their report as an inter- esting document. APPENDIX. 351 promoting the culture of silk in the United States, so as to make it a source of national wealth to this country. I regret to be obliged to say that, although that report has been several times published, in the first instance by order of Congress, and afterwards in newspapers and in the pamphlet form, it has not been in my power to procure a copy of it for you; all those that I had, one excepted, which | preserve, have been distributed away, and have experienced the fate of such sibylline leaves. Your object, however, being, as I presume, to be in- formed of the history of the measure to which that report relates, and of the present state of the culture of silk in the United States, I shall endeavour, in some other way, to supply the place of the document you have asked for, and I lay hoid with pleasure Of te Opportwuinty yuu vive me to commit to writing a brief narrative of the origin of that report, and the ill success that attended it. I am saved the trouble of giving you the history -ef the silk culture prior to the arrival of Mr. D’Homergue in this . eountry, by anarticle which I wrote forand published in the American Quarterly Review for December, 1831, of which {send you a copy; you will find in it many things which would have had a place in this letter, but which I omit, to avoid repetition. shall, therefore, begin with Mr. D’Ho- mergue’s arrival at Philadelphia, which was in the month of May, 1829. Mr. D’Homergue had been sent for from France by a society, then lately formed in this city, for promoting the culture of silk, who had unfortunately misconceived their object, and miscaleulated their means. They were not in a situation to employ him. Without entering into use less details on this subject, suffice it to say that, shortly after his arrival, Mr. D’Homeregue found himself a stran- ger in this country, and ignorant of the language, manners, and customs. 352 APPENDIX. In that situation, he applied to me for advice. I saw his letter of recommendation to the society. He was repre- sented by their agent to be a person fully capable of fulfill- ing the objects which they had in view. He had been ex- amined at Marseilles by men skilled in the art, and found sufficient. In his conversations with me, I found him intelli- gent, and consistent in the explanations which he gave of the various processes of reeling and throwing silk, of making sewing silk, and of various manufactures of that article. I was struck with the idea that his acquisition might be important to our country, and I determined to take him by the hand. The first thing to be done was to make his talents. known. He could not write our language, nor did he know the manner of addressing an American public. Orn my part, I knew very little of the silk business, to which I had never before turned my attention. I put myself un- der his tuition. He initiated me into the mysteries of la fila- (ure and Je moulinage (reeling and throwing of silk); I read some books upon the subject, and, having him at my elbow, I wrote and published in his name, in the National Gazette, a series of essays entitled ‘* American Silk,” which became very popular, and were reprinted in almost. all the newspapers in the United States. While writing those articles, I was struck with the importance as wellas the difficulty of the art of reeling, without which the raw material not only cannot be manufactured, but -cannot. be exported, because the cocoons will rot in a sea voyage, and are too bulky and too light to bear a heavy freight. I ob- served that raw silk was an article in great demand in Eu- rope, and that it might be made to us a source of consider- able profit. I conceived the plan of dealing with silk as we had done with cotton, that is to say, to confine ourselves for ten or perhaps, twenty years to the exportation of the raw material, during which time we should become perfect in the mode of preparing it for foreign manufacture, and then, APPENDIX. 353 and not before, we might begin to manufacture our- selves, The other arts, such as throwing, weaving, §C., we might learn from English manufacturers; but they could not teach us that of jilature, because their country did not produce cocoons. None, therefore, but a French- man or an Italian could be to us a proper instructor in that art. The essays were chiefly directed to developing and urg- ing the adoption of this system. Some writers who had passed before, by means of some superficial knowledge, for great adepts in matters relating to silk, were impelled by their vanity to attack this plan in the newspapers, and pretended that there was no difficulty in reeling silk, and that we might begin at once to manufacture. I took no notice of those publications, and, therefore, they produced little effect. ‘he general opinion was in favour of my system. ‘This induced me to publish the essays with an explanatory preface, in the form of a pamphlet, of whicht distributed the copies far and wide. I have soughtin vain for one to send to you. : This was in the month of January, 1830. Congress were then in session. As a mark of respect, as is usual in such cases, I addressed to them a copy of the essays, not expecting any thing else but they would give it a place in their library. “They, however, were pleased to refer it te their Committee on Agriculture, then presided over by the venerable Ambrose Spencer, formerly chief justice of the state of New York, whose high character is undoubtedly known to you. I soon received a letter from that gentle- man, in the name of the committee, approving of my plan, expressing the wish that Mr. D’Homergue should be em- ployed in a national school of filature, and desiring me to: eonfer with him upon the subject. | I accordingly conferred with Mr. D’Homergue, and, with his agreement, I ee an to the commitiee that he 31? 204 APPENDIX. should be employed to instruct sixty young mem in the art of reeling silk, and preparing it for exportation, so as to fit them to be afterwards directors of filatures. You know that the manual operation of reeling in large filatures 1s performed.in Europe by females, under the direction of an overseer, as otherwise much loss would result from their un- skilfulness, or from their neglect or inattention—-the profits in this business depending on the quantity of -well reeled silk which is daily produced. ‘Twenty women, at least, were to be employed in the normal filature at or near Phi- ladelphia, who should work at the reel before the young men, who also should be taught the manipulation practi- eally, that they might direct it with effect, and instruct wo- men in their turn. ‘Their instruction was to last two years ; afterwards it was expected that they should be employed by the planters in the south, and companies in the north, and in the meanwhile the culture of silk, which was fast ad- vancing in different states, might produce cocoons enough to set the business agoing. ‘The young men were to be taught gratuitously, and maintain themselves at their own or their friend’s expence. ‘The women were to be paid for their labour. i Mr. D’Homergue was to receive from the government forty thousand dollars at the end of the two years, deduct- ing therefrom the amount of the necessary expences, such as the hire or purchase of a lot of ground, the ‘erection of buildings, the machinery, the purchase of cocoons, and other incidental expences, which were to be advanced by the government, but the materials at the end to remain the. property of Mr. D’Homergue. I offered to be his securi- » ty for the performance of his engagements, provided he were placed under my inspection and control. My per- sonal services were to be gratuitous. My object in proposing this plan was to introduce into | the country a perfect and uniform method of reeling silk, , AEPENDIX. 300 and preparing it for exportation or manufacture, but chief: ly with a view to the former; so that when American raw sill should have been imported into Europe, its name alone should have secured its reception and a favourable sale. Those who are acquainted with this branch of trade, know of what immense advantage this would have been to our country. As to the planting of mulberry trees, and raising of silk worms, I thought it might be left to experience, and the instruction to be derived from the numerous books published upon these subjects; but the preparation of good merchantable raw silk, and the providing of a market for cocoons, appeared to me what was to be attended to in the first place ; the rest, I thought, would follow of course. I made the above proposal in a letter to the committee, who gave it their full approbation. I was desired to pre- sent it in the form of a bill, which I did, and the bill, such as I drew it up, with a trifling addition, was laid before Con- eress with my letter, and a most flattering report from the committee, warmly recommending the measure. It is the same report which you have desired me io send to you, and of which a copy cannot now be had. The session, however, was tco far advanced to take up the business, and it was of course postponed to the next meeting. But, to all appearance the report was most fa- vorably received. . ' I had then a whole summer and the greater part of the autumn to dispose of before Congress should meet again, I determined to spare no trouble or expense to convince the nation of the advantages of a good method of reeling silk, and of the exportation of the raw material to Europe. I established in this city a filature often reels, and twenty women; went to Connecticut to purchase cocoons, and bought all that were brought to me from different parts of the Union. I put the whole under the direction of Mr. D’Homergue. Our filature was open to all who chose to 306 APPENDIX. visit it. Our women learned to reel with amazing facility, and though some of my friends in Europe wrote to me that it would take ten years before they were perfect in the art, I was convinced that they would compass it in a much shorter time. I was not satisfied with that. I wished to display some- thing that would strike the public eye, and maintain Con- gress in their apparently good disposition. I had two flags of the United States made of American silk, each twelve feet long and six feet wide; one to be presented to Congress, and the other to the Legislature of Pennsylvania. f had also some small articles made, such as cravats, hand- Kerchiefs, &c., which, together with one of the flags, were exposed to eublie view at the exhibition of the Franklin Institute in this city. I also sent a quantity of my raw silk to England and France, to be manufactured into stuffs, and distributed among our friends in this country. Congress met in December, 1830. ‘That was what was ealled the short session, and lasted only three months. Almost the whole of it was taken up by the trial of a judge in the Senate, at which the members of the House of Repre- sentatives were present. N evertheless, a day was appoint- ed near the end of the session for the discussion of the silk bill. In the mean time, I presented to the house the flag of the Union. I may say with truth, that it was re- ceived with enthusiasm. Ona most flattering: report of the Committee on Agriculiure, Congress revolved that the flag should be displayed in the hall of their sittings, over the full length picture of General Lafayette, where it still remains.* ‘There is no doubt that if the bill could have been brought on that session, it would have passed almost unanimously. * The flag presented to the House of Representatives of Penn- sylvania, was received in the same flattering manner, and order- ed to displayed in a conspicuous place in their hall. APPENDIX. 357 Unfortunately, on the day when it was to have been taken up, Mr. Spencer, the chairman of the Agricultural Committee, who was to have led the discussion on our side, and whose presence could not be dispensed with, was engaged as counsel in an important cause before the Su- preme Court of the United States. The argument lasted several days, and the opportunity was lost. Congress ad- journed without discussing the bill. But so zealous were our friends on the tient, that Mr. Spencer, passing through this city on his return to the state of New York, where he resides, brought me a paper _ signed by eighty-six members of Congress, expressing their sense of the importance of the silk bill, and their opinion that it would have passed at the last session, if it could then have been taken up. Mr. Spencer told me that it would. have been signed by many more, but that it was done at the close of the session when a great number of the mem- bers had already departed for their homes, and others were preparing to depart. ‘Those who signed that paper were afraid that Mr. D’ Homergue might return to France——that I might get tired of the trouble and expense which this bu- siness occasioned me, and for which I never expected to receive compensation, and that it would consequently fail. I subjoin to this letter a copy of that paper. It is a li- teral copy. I have made no alteration in it, except inter- verting the order of the signatures, in order to show to what states the signers respectively belonged. Thus I was encouraged to proceed. I went on with my filature, but not to the same extent as I had done the preceding year. I sent some of my raw silk to Mexico, where it found a good market. I sent some to England and France, not to be sold, but to be manufactured into. gros de Naples, and returned to this country. The silk sent to England lost only three and five eights per cent.. by what is called waste (déchet) ; that sent to Lyons lost 398 APPENDIX. more, but the stuff made of it was more delicately wrought. I kept up an active correspondence with those countries. The silk Isent to England excited much attention there. Mr. Ewart, the member for Liverpool, mentioned it in Parliament. The newspapers in London, Liverpool, and Manchester, teemed with articles on the subject. The English were led to expect a new source of supply of raw silk for their manufactures, and we a new branch of Ame- rican exports. A number of silk throwsters, weavers, dyers, and silk manufacturers of various kinds, came to this country in the hope of finding employment; but were for the most part sadly disappointed, and many obliged to return home. : Such was the state of things when Congress met again in December, 1831. I went with Mr. D’Homergue to Washington, determined to remain there until the silk Dill should be disposed of. During the session, which was very long, I received from England some of the pieces of gros de Naples manufactured out of my silk, and distri- buted them among our friends in the capital, by whom they were much admired. Those from France did not ar- rive until after the adjournment. Every thing at first look- ed fair and prosperous; but the scene was suddenly ehanged. - The tariff question was brought before Congress, and produced violent party animosities. ‘The word manufac- ture, which had inadvertently been introduced into the title of the silk bill, became hateful to the opponents of the protecting system, and they fancied that if it should pass, it would lead to the laying of high duties on the importa- tion of foreign silk goods. Yet the bill still had friends of both parties; but as the contest grew warmer, so as almost to threaten a dissolution of the Union, their number gradual- ly diminished, and at last it became decidedly a party APPENDIX. 359 question. ‘The French minister, M. Serurier, no doubt from patriotic motives, opposed it with all his might--not, that I know of, by diplomatic communications, but by speaking warmly against it wherever he found an oppor- tunity. He saw in it the source of great injury to France, _ while the manufacturers of that country rejoiced in the hope of being supplied with the raw material that they so much ried Whether that gentleman’s opposition had any influence on the final result, it is not in my power to say. I rather believe it had not, though some members might have been afraid lest the passage of the bill might prevent or delay the payment of the indemnity, which af- terwards brought the two countries on the verge of a war with each other. : The times were now unpropitious. My friends advised me to suffer the business to go over to another SESSION 3 but I had already gone to more expense than I could con- tinue to afford. I pressed Congress for a decision, and a day was accordingly appointed for that purpose. _ On that day, the 22d of May, the bill was taken up and discussed in committee of the whole ; the majority declared in its favour, and reported it to the House the next morn- ing. A warm discussion took place, but in the interval the opponents of the measure had rallied, and their pha- lanx was not be resisted. I have been credibly informed that a paper was circulated in the House, stating that if the bill should pass, the President would be obliged to put his veto uponit, and that he hoped that his friends would not place him in that unpleasant situation. Iam well satisfied that such a paper was circulated; but I believe that it was without the knowledge or participation of General Jack- son. Extraordinary, and, indeed, some unfair means were employed. Several of the members who had signed. the paper brought to me by Mr. Spencer, as I have before men- tioned, voted against the bill, and some absented them- selves when the question was taken. 360 APPENDIX. The bill, however, was rejected only by a small mnajo- rity. Among the members who voted against it there were some, undoubtedly, who conscientiously believed the mea- sure to be unconstitutional, and that Congress had no pow- er to appropriate money to such a purpose ; others were political economists, who thought that governments should not meddle with such matters, and whose favorite motto was, Let us alone. But on the whole it is plain to me that the bill was lost on party grounds, and not otherwise. I was not present at the last day’s discussion, but I was at that of the day preceding, in committee of the whole. The debates on both sides were published at the time in- the newspapers. It gives me great pleasure to say, that full justice was done by all parties to my conduct and to my motives; and not a word was said that could be in the least personally painful to me, but, on the contrary, the greatest courtesy was shown even by my most inveterate opponents. ‘I'he principal argument employed, was that the measure was unconstitutional. ‘The most violent con- tented themselves with saying that it could only serve the purpose of setting up a foreigner (Mr. D’Homergue) in business, and that the public money could not be applied to such an object. I had the pleasure to find that the members from Penn- sylvania who were present, although almost all of the part- ty opposed to the bill, voted (all but two) im its favour, and so did the members from Connecticut, whose jealou- sy had been attempted to be excited. ‘The south, general- ly, voted against it. Thus finally defeated in my patriotic design, I took leave of my friends and returned home immediately. I made - no complaints nor appeals to the people in the newspapers or otherwise, but turned my thoughts to other objects. I found that I had lost three years of my time, and about four thousand dollars of my money,.in pursuing a phan- APPENDIX. 96] tom, which at last eluded my grasp. I awoke, as from a dream, and consoled myself with the proverb which says» that the shortest follies are the best. Five years have now elapsed since that time, and you will be, perhaps, curious to know what has been done in that interval with respect to silk. The impulse that was given still continues; but a different course is pursuing from that which I had pointed out. Mulberry trees are planted in every direction ; associations with large capitals are formed and forming, for promoting the culture and manufacture of silk ; the Legislatures of the states are enact- ing laws for the same object; but I do not see any where a filature or a market for cocoons, such as I had establish- ed at Philadelphia, where they were brought to me from all parts of the Union, and continued to be brought long after my filature ceased to be in operation. But they found no purchasers. The people are beginning where, in my opinion, they should end, by establishing manufactories. 1 have said that a great number of silk throwsters and manufacturers had come to this country from England. ‘Those men, wanting employment, have persuaded the people to manu- facture the raw silk of China and Bengal, as they do in Great Britain, which they have begun to do, in a small way however, in the New England states; while else- where the farmers who raise silk worms, employ them in making sewing silk after the manner of Connecticut.* No- body thinks of producing and preparing the raw material as an article for exportation. ‘Phe opinion generally pre- vails that there is no kind of difficulty in the art of filature, and that any woman may reel silk perfectly without having received any instruction. I fear that much money will b& sunk in these ill-concerted attempts. “With the common spinning wheel. 32 362 APPENDIX. The American people are impatient and wish to do eve- ry thing at once. Go a-head is their motto, and they are not deterred by obstacles. Nothing to them appears im- possible; they plunge headlong into a scheme, and pur- sue it until they break, or until it succeeds. They now want to be silk manufacturers. [I wanted them to be silk growers, and exporters of raw silk in the first imstance. Time will show who was in the right. My opinion is that large sums of money will be sunk in the course now pursuing, but that in the end America will be a great silk growing and silk manufacturing country. Americans must have their own way. It often reminds me of the answer of a French courtier to the unfortunate Maria Antoinette, who asked of him a small favour :-—‘‘Me@- dame, st la chose est possible, elle est déja faite; si elle est umpossible, elle se fera.”’* It is the American charaec- ter, drawn to the life. The word impossible is not in their dictionary. IT am, with great recard and esteem, Dear sir, your most obedient servant, PETERS. DU PONCEAD. ‘Davin B. Warven, Esa., Paris. aM DOCUMENT REFERRED TO IN THE ABOVE LETTER. We, the andersigned members of the twenty-first Con- gress, feeling a great anxiety that Mr. John D’ Homergue should remain in the United States for the purpose of in- structing the youth of this country in the art of reeling silk, and in the various processes for preparing the same for manufacture or exportation, agreeably to the provisions of * Madame, if the thing be possible, it is already done; if im- possible it shall be done. APPENDIX. 363 the bill for the promotion of the growth and manufacture of silk, now pending, and which could not be acted upon for the want of time, express our decided opinion that the bill would have met the approbation of the House of Rep- resentatives, and that we consider it a measure of great national importance, as regards the industry of the country, in the profitable employment of various grades of its citi- zens, and as creating a staple which will not only save to the nation many millions of dollars, now annually drawn from the country, but will introduce speedily a new branch of manufacture of incalculable value to the United States. March 1, 1831. MAINE. George Evans, Samuel Butman. VERMONT. W. Cahoon, Benjamin Swift, Horace Everett. MASSACHUSETTS. J. Varnum, i. Everett, George Grennell, Joseph G. Kendall, John Reed, Joseph Richardson, John Bailey, James L. Hodges, B. W. Crowninshield, John Davis, H. W. Dwight. RHODE ISLAND. Tristam Burges, Dutee J. Pearce. CONNECTICUT. R. J. Ingersell, Noyes Barber, J. W. Huntington, W. W. Ellsworth, William L. Storrs. NEW YORK. ne Spencer, John D. Dickinson, H. B. Cowles, T. Beckman, B. Arnold, Robert 8. Rose, Ch. G. De Witt, Isaae Finch, J. Hawkins, Abm. Bokee, John W. Taylor, Phineas L. Tracy, Henry R. Storrs, Henry C. Martindale, Timothy Childs. 364 NEW JERSEY. Lewis Condict. PENNSYLVANIA. Wm. McCreery, Henry A. Muhlenberg, John Gilmore, W. Ramsey, George G. Leiper, Joseph Hemphill, Samuel A. Smith, T. Hartley Crawford, Thomas H. Sill, J. B. Sutherland, D. H. Miller, John B. Sterigere, R. Coulter, Joseph Fry, Jr., Harmar Denny, Innis Green, Joshua Evans. DELAWARE. Kensey Johns, Jr., MARYLAND. G. C. Washington, E. K. Wilson, G. E. Mitchell, B. I. Semmes. VIRGINIA. P. Doddridge, John Taliaferro, C.F. Mercer, Robert Craig. APPENDIX. NORTH CAROLINA. Lewis Williams, William B. Shepard, Edmund Deberry, D. L. Barringer. KENTUCKY. R. P. Letcher, Joel Yancey, _ R. M. Johnson, J. Kincaid. TENNESSEE. John Blair, David Crockett. OHIO. Samuel F. Vinton, I}. Whittlesey, Joseph Vance, W. Creighton, Jr., Wm. W. bvin, Joseph H. Crane, H. H. Leavitt. ; LOUISIANA. E. D. White, H. H. Gurley. INDIANA. John Test, R. Boon. ALABAMA. R. E. B. Baylor. MISSOURI. Sp. Pettis. FLORIDA. Jos. M. White. APPENDIX. C. ADDITIONAL DOCUMENTS CONCERNING THE SIK BILL. No. 1. Twenty-first Congress of the United States—First Ses- sion.—In the House of Representatives, January 27th, 1830. The Speaker laid before the House a letter from Peter S. Du Ponceau, of Philadelphia, member of the American Philosophical Society, accompanied by a work on Ameri- can Silk, and the best means of rendering it a source of individual and national wealth; which letters and the ac- companying work, were referred to the Committee on Agri- culture. February, 10. Mr. Spencer from the Committee on Agriculture, re- ported the following resolution, viz : That the Committee on Agriculture be directed to in- quire into the expediency of adopting measures to extend the cultivation of the White Mulberry tree in the United States; to promote the culture of Silk, by introducing the necessary machinery for reeling the same from cocoons, and acquiring and disseminating practical knowledge therein, No. 2. Letter from the Hon. Ambrose Spencer, Chairman of the Committee on Agriculture to Mr. Du Ponceau. Wasuineton, Feb. 11th, 1830. Sir,—The Committee on Agriculture reported yester- day a resolution, which was adopted by the House, and which you will see in the papers. I have read with great interest your valuable preface to Mr. D’Homergue’s Essays on American Silk, having read _ in the papers, the greater part of his essays before I came 366 APPENDIX. here; the Committee are unanimously of opinion that measures ought to be taken to secure to the nation the ser- vices of this gentleman, as an instructor to our people in the art of reeling silk from the cocoons. I am instructed by them to inquire of him through you, whether he would take charge of an establishment (say in this city) and in- struct pupils in that art—what salary he would expect— how long he would continue to give instruction—what pe- riod of time would be necessary to teach a pupil the art of reeling. In short we wish all the information ne- cessary to be laid before Congress on the subject of gain- ing to the nation this invaluable art. My proposition to the Committee was, Ist. "I’o secure the services of Mr. D’Homergue. 2nd. ‘lo get an appropriation for the erec- tion or hiring suitable buildings in this city, to accommo- date say 215 pupils, from the States and ‘Territories in the same proportion as we are represented in the House of Representatives, the persons to be designated by the Ex- ecutives of the States. 3rd. hat these scholars shall be taught the art by Mr. D’fHomergue. 4th. ‘hat others shall succeed them, if it shall be deemed necessary to the diffusion of this knowledge. I have selected this plan with a view to avoid Constitu- tional objections. You have thus an imperfect sketch of my plan, which I hope you will examine, and make such suggestions as occur to you. {f we succeed in it, the nation will owe you the deepest obligation of gratitude, for I am enthusiastically not only your disciple on this subject, but am anxious to see it car- ried into immediate operation. I beg you to write me freely and fully. With high esteem and respect, Your obedient servant, AMBROSE SPENCER. Peter S. Du Ponceau, Esq. " : = : APPENDIX. 367 No, 3. Pumaspetpuis, Pebruary 23, 1830. Sir:—I am honored with your letter of the 11th in- stant, which I have immediately communicated to Mr. D’Homergue. He desires me to convey to you, and the honorable committee, his respectful thanks for the favor- able sentiments that you have expressed towards him; he wishes it also to be known and understood, that, if suc- cessfully encouraged, it is his intention to settle himself permanently in this country which he has learned to ap- preciate. The contents of your letter have been the subject of fre- guent conferences between him andme. The various mat- ters that it brought to our consideration, and the desire on my part to lay at once my whole view of the subject be- fore the honorable committee, and to do it with as much as possible of that clearness and precision which so exten- sive and complicated a subject requires, have been the cause of this answer having been so long delayed. The committee will, I hope, see, from what follows, that no unnecessary time has been employed. The object of the commitice appears to be to extend, throughout the United States, the knowledge of the art of preparing raw silk in all its varieties, for the domestic and foreign markets; and that it should be done in the shortest time, in the easiest manner, and with as little expense as possible. With a view to this object, a plan has been proposed through you, and several questions asked of Mr. D’Ho- mergue, with a view to obtaining his assistance towards carrying it into execution. The plan is the establishment of anormal school of filature in the District of Columbia, in which Mr. D’Homergue should be employed as an in- structor at a fixed salary. This plan is formed on a noble scale, and bears the stamp 368 APPENDIX. of the character of a great nation; it is such as would naturally occur to a man of liberal views and an enlarged mind, on considering the subject unconnected with its practical details. ‘The knowledge of those details, how- ever, which Mr. D’Homergue possesses, has convinced him that it would be liable to many inconveniences, which he hopes it will not be thought improper in him to suggest. In the first place, it would be very expensive, complicated in its mode of execution, and liable to various abuses; and, above all, it would be subject to the risk of ultimate fail- ure, by bringing Mr. D’Homergue in contact, and, per- haps in collision, with persons not acquainted with his art, to which his ignorance of the language, manners, and usages of this country, might not a little contribute. This last reason alone would deter him from acceding to the committee’s proposal. For my part, sir, 1 must frankly acknowledge that, after giving the subject all the consideration in my power, I have myself come to the same conclusions as Mr. D’Homergue, and I am satisfied that it is not by employing him as a salaried instructor that the object of the committee is most likely to be attained. On the contrary, I am fully persuad- ed, that a degree of confidence placed in that gentleman, in the manner I shall presently mention, will produce to the nation the most satisfactory results. After this candid statement, the committee will no doubt expect that I should explain to them Mr. D’Homergue’s views, and my own, on this interesting subject. I shall do it with due diffidence ; but, at the same time, with per- fect freedom. The committee, I am very sure, will do justice to my motives, and be satisfied that my feelings are congenial with their own. Ishall lay before them a plan, the result of which is to be the dissemination of the art of reeling silk, in all its varieties, throughout the United States, in the APPENDIX. 369 short space of three years, and at the moderate expense of forty thousand dollars. So far I am convinced that the views of the committee will be fully met. ‘They will also be pleased to find, that its execution must naturally be followed by the introduction of silk manufactures in- to the country. In other respects I must own that it dif- fers from that which the committee had formed; but, in a matter of this importance, they will be willing to hear, though they should ultimately disapprove. Before I begin to state the offers of Mr. D’Homergue, and the plan founded upon them, it is necessary that I should mention a few introductory facts. The mechanical part of reeling silk in France and Italy is performed entirely by women. There are in those countries what are called great and small filatures. The former are large establishments, in which from 50 to 100 reels are at work; the women employed there are under the superintendence of a director, who is thoroughly ac- quainted with the mechanical as well as the mercantile part of the business. ‘Those directors are brought up to the profession. ‘The women employed in those large filatures are well paid, and generally remain there till the end of their days. The small, or, as we should call them, domesiic filatures, are carried on in families, by the farmers’ wives and daughters, who work from one to five reels, either with cocoons of their own raising, or those they purchase of their neighbors, by which they make a handsome income at the end of the year. ‘Those women, in general, have preserved the art in their families from gene- ration to generation ; hence, you may have seen in the me- morial of the merchants of Lyons, which I had the honor to send you, that these merchants complain of their imper- fect routine ; I believe their complaints are in part from jea- lousy, and the spirit of monopoly ; still lam not unwilling to believe, that the silk from domestic reels is not as per- 370 APPENDIX. fect as that which comes from the large filatures ; it sells, however, and the manufacturers know how to employ it. It must be added, that the French and Italian female reel- ers perform their work mechanically, and are, in other re- spects, of the grossest ignorance: few of them, if any, knowing even how to read and write. Our American wo- men will prove themselves far superior in every respect, and their domestic filatures will produce perfect silk, be- cause they will not have received their instruction through their great-grand-mothers, before the art was improved as it is now. In this country there should be both great and small or domestic filatures ; the former will be the depositories of all the improvements in the arts; the latter will contribute to the ease of families; and there is no danger of there being an excess of the article in the market. There must be filatures of all sizes and all dimensions, according to the means of those who will undertake them. Full and free competition can alone ensure success. The first thing to be done, therefore, is to instruct, in the art of reeling silk, a sufficient number of young men, to disseminate it at once through the country. Those young men will, when instructed, set up filatures with a~ oreater or lesser number of reels, according to their means ; in which they will be obliged to employ women, who will not, as in Italy and France, remain all their lives on wa- ges, but, after a certain time, will return to their families, or get married and set up small filatures of their own, which they can do ata trifling expense. They will, pro- bably, also plant a few mulberry trees on their farms, and the females of the family will raise silk worms, and produce cocoons to be reeled in the house. This is the course which the thing must infallibly take. Thus much being premised, I now proceed to state the offers of Mr. D’Homergue. He offers to instruct sixty APPENDIX. 371 young men, to be designated by the Government of the United States. ‘They should be healthy, intelligent, ac- tive, and dexterous youths, between the ages of eighteen and twenty-five, and having as much as possible a natural disposition to the mechanical arts. ‘They will be instruct- ed in the theory and practice of the art of reeling silk from the cocoons into the various forms or qualities of raw silk. They will be taught the theoretical and practical, the mer- cantile as well as the mechanical parts of the business, with the most modern improvements. ‘They will, in short, at the end of the course of instruction, be enabled to take charge, as directors, of a filature, however extensive, to instruct women, and, in short, to do every thing in that branch which Mr. D’Homergue may do himself. The course of instruction will require two years; that _is to say, two seasons, from. the Ist of July to the middle or end of November in each year. ‘The young men will board themselves where they please in the neighborhood of the filature, which they will be expected regularly to attend during working hours, to receive their instruction. The remainder of the year they may dispose of themselves as they or their friends shall think proper. It is intended by Mr. D’Homergue to erect his filature in the vicinity of Philadelphia, as the most convenient place, for reasons which shall hereafter be explained. The course of instruction can only begin on the Ist of July, 1831; the present year must be employed in pre- parations. Mr. D’Homergue will have, before the Ist of July, to travel through several of the States, in order to secure cocoons, and at the same time he will instruct the farmer, as much as will be in his power, respecting the culture of the mulberry tree, and the raising of silk worms. Every year, in the winter or spring, during the three years, he will travel in the same manner, varying his course as much as possible; this will be necessary, on account oT? APPENDIX. of the scarcity of cocoons, which must be expected to last some time, and probably to the end of the contemplated three years. In the approaching Summer he will establish a filature near Philadelphia, with at least twenty women, so that the young men, at the next season, when their course will begin, may see it at work, and learn how such an es- tablishment is to be directed. Inthe next year the filature will be enlarged for the immediate instruction of the sixty- pupils, who it is expected will be sent all at the same time. Improved machinery will be imported from Europe, and every thing necessary will be done in the course of the three years, that the young men may be fully instructed, and en- abled, when they return home, to set up filatures in their respective neighborhoods. ; Speaking of machinery, I cannot avoid noticing the cele- brated apparatus of M. Gensoul, so often mentioned in the memorial of the merchants of Lyons, and which it con- templates to introduce into all the filatures of France. As it is very expensive the memorial recommends to the French Government to distribute bounties to an amount not less than 600,000 francs ($120,500) by way of en- couragement to those who will introduce it into their esta- blishments. | This apparatus can only be employed in large filatures of at least thirty reels. Its advantages are the following: 1. It saves the time of reelers, who are not incommo- ded by fire and smoke, and are not obliged to stop and feed their fires, as the hot water is conveyed by pipes to their several basins, and the furnaces to each reel are unneces- sary. 2. It preserves the purity of the water. 3. It raises or lowers the temperature of the water in the . basins, to the required degrees of heat. 4. It saves three-fourths of the fuel, increases the quan- tity of the produce of labor, which may be estimated at APPENDIX. 373 ene-tenth, and improves the quality and brilliancy of the raw silk.* Mr. D’Homergue intends, if his offers are accepted, to import this valuable apparatus, in the first place, as a mo- del, which will soon be imitated, and perhaps improved by our ingenious workmen; and, also, to enable him to instruct the sixty young men in the knowledge of all its parts, and in the use of it. It is very complicated, and requires great care in packing and forwarding. It consists of a great number of pieces, which must be all marked and numbered, in order that it may be properly put up on its arrival. It requires therefore, the aid of a person profoundly skilled in the business. Mr. D’Ho- mergue proposes to employ his father. He would ex- pect that this apparatus, and what other machinery he should think it necéSsary to import, during the three years, should be free of duty. By means of this plan, the United States would be in possession at the end of the contemplated period, of the means of offering to the markets of Europe and of this country, raw silk, of all its different qualities, in the high- est perfection. ‘The committee will have observed in the Lyons memorial, how much importance is attached to the perfection of the filature, and what complaints are made of the want of uniformity in the silk produced. It would be a most essential point, that the first raw silk which shall come out of the American filatures, should be as per- fect as possible, and uniformly so, because in addition to =This description is somewhat altered from the original. Mr. Thu Ponceau had misunderstood the explanation givento him. A few similar errors found their way into the essays of 1829, which are allto be ascribed to him, to whom the subject was at that time entirely new. He has authorized the insertion of this note. 33 374 APPENDIX. the superior beauty of the material, it would at once give a name to American silk, which would establish its repu- tation on a solid basis, and make it every where sought for and purchased in a manner with the eyes shut. If the United States are determined to introduce this manufacture into this country, the committee will be sensible that it should not be done partially, and that as little as possible should be left to chance hereafter. A good method intro- duced every where, at once from the besmaninys will with difficulty degenerate. If this plan should be adopted and carried into exeeu- tion, it will follow, that, at the end of the three years’ in- struction, three sorts of filatures may and will be immedi- ately introduced into the different parts of the United States. 1. Large filatures, of thirty reels and upwards, moved by horse or water power, or by steam. 2. Mid- dle sized filatures, of six reels and upwards, moved by hand in the ordinary way. 3. Small or domestic fila- tures, of five reels and below; these would employ the farmers’ wives and daughters, and the slave population, through the country. he difference in the perfection of the silk between that which is reeled with Gensoul’s apparatus, and that reeled in the ordinary way, is hardly perceptible, when the directors are good, and the reelers are attentive, and have been well instrueted. The reason why, in France, the silk reeled upon farms obtains a less price than that reeled in filatures, is, that the peasants’ wives and daughters follow an antiquated rou- tine, as has been mentioned. In this country the method would be uniform every where. Negligence and inatten- tion alone could produce a difference in the value of the silk reeled in farm houses, and this negligence would carry with it isown punishment. The raw silk of China, much inferior to that of France, is still sure to find purchasers ; APPENDIX. 375 and there is little doubt but that it must be, in time super- seded by American silk. When the art of reeling silk shall have been thus esta- blished through the country, it is to be expected that the article will abound in the land; and particularly if mea- sures are taken, as will be presently mentioned, for pro- moting the planting and growth of mulberry trees. Mr. D’Homergue then will have a great many competitors in the business of filature, which if monopolized, would have - enriched him; consequently, it will be his interest, and it is his intention, if this plan succeeds, to turn his attention to manufactures, from which he expects he will be able to make a competent fortune, and at the same time to enrich the country. In this he knows he will also have compe- titors, (for it is said there is already in Boston a good Eng- lish silk throwster, of the name of Edward Brown, who has brought with him the necessary machinery for the ex- ercise of his profession,) but Mr. D’Homergue relies on his knowledge of the various arts connected with this bu- siness, and is not afraid of meeting competitors. The course which the silk business will take when fila- tures of raw silk shall be established through the scale is expected to be as follows: 1, The fringe-makers, who are already numerous in sins country, will be supplied with the article which they now import at a great expense, and in considerable quantities. An eminent fringe-maker of this city said, in my presence, that he imported raw silk, annually, to the amount of $20,000. 2. The filoselle, or flurt silk, which sali issue from the filatures, and needs not be thrown, but only carded and spun in the usual way, will be immediately employed by our industrious workmen in making stockings, caps, vest- ings, and other kinds of hosiery. 376 APPENDIX. 3. The art of throwing silk, that is, of giving it the last preparation for the loom, is not so difficult of acquisition as the art of reeling from the cocoons, which is the founda- tion of all; silk throwsters will come over from England and France, and that branch of business will soon spread through the country. 4, The weaving of stuffs out of the three first qualities of raw silk, sincles, tram, and organzine, wil! next follow. Ji cannot be expected that the beautiful gold and silver tis- sues and embroidered stuffs, for which the Lyons manu- facturers are so eminently distinguished, will be introduc- ed for a considerable time. Velvets and satins also will be among the last that will be manufactured in America; but the Lyons memorial, if I remember right, says that those rich stuffs amount only to one-fourth in value of the silk manufactures of France, and that the other three- fourths consist of those plain tissues which are yearly im- ported to such an immense amount into this country. It may be expected, therefore, (such is the opmzion of Mr. D’Homergue and my own) that the manufactures of plain tissues and those of mixed stuffs of silk and wool, and cotton and silk, will rapidly extend themselves through the United States. ‘There is no extraordinary difficulty in the mode of weaving, and Mr. D’ Homergue is fully convinced that our ingenious and industrious weavers will master that business in a short time. But all depends on the reelmg of the raw silk. It ts the foundation of all; the sine qua non, without which, all undertakings connected with silk must prove ruinous to those who shall venture to embark in them. Fine raw silk alone, though it were never employed here, will, nevertheless, be a great source of riches as an article of commeree. I have thus stated to you, Sir, as clearly as I have been able, the offer made by Mr. D’Homergue to teach that val- APPENDIX. ; 377 -uable art, in such a manner as to disseminate it at. once™ through every part of this country. I have shown, in as ‘much detail as I have thought necessary to make it well understood, the manner in which this proposal is intended to be carried into execution; and, lastly, I have endeavor- ed to sketch a view of the effects it may reasonably be ex- pected to produce. Ihave now to state the terms on which Mr. D’Homergue is willing to engage himself to its per- formance. He requires the: sum of forty thousand dollars, for which he will engage to instruct sixty young men in the art of reeling silk from the cocoons, as has been abovementioned. He will be, for that sum, at ail the expense that will be re- quired for carrying the plan into full and complete execu- tion, and will never ask or apply for a single cent more, — by way of advance, reimbursement, reward, compensation, or on any other account whatsoever. The forty thousand dollars are expected to do the business completely, and to leave something at the end for Mr. D’Homergue; what that may be cannot be calculated, but he hopes it will be sufficient to enable him to set up for himself in the other branches of the silk manufacture that he contemplates. He has calculated that it will be necessary that the money should be advanced by the United States at the fol- lowing periods: 1. Ten thousand dollars immediately. 2. Twenty thousand dollars on the first of March, 1831. 3. Ten thousand dollars on the first of March, 1832. The reason for which the sum is doubled for the next year, is, that machinery will have to be imported from France, to a large amount in the course of that year. The reason why the money is thus asked for in advance, is, in order that the business may not, at any time, or on any account, be retarded for want of funds, and that all may go on with the necessary rapidity. Here, Sir, | am well convinced that it aiissies be reason- 30 378 APPENDIX. ably asked, that this nation shouid trust with so large a sum a young stranger, who has not been above nine months in this country, and who ean give no pledge of his solva- bility in case of failure. ‘This objection has struck me with the same foree with which it will strike the commit- tee, and I have long been revolving in my mind the means, if any could be found, to get over it; at last I have come to the resolution to make the following proposal in my own name: ' I have set my whole heart on the introduction of the manufacture of silk into this country; I know it is possi- ble, and I know, also, that great honor awaits those who shall have been instrumental in it. I am ambitious of that honor; and, moreover, f have committed myself so far in recommending this course of proceeding, that I stand in a manner pledged for its success. I cannot better prove my firm conviction, than by the offer I am now going to make. I am willing to interpose my personal responsibility be- tween the nation and Mr. D’Homergue; I offer to act as a trustee, to receive the money, and to see to its applica- tion. Mr. D’Homergue is willing to place himselt entirely under my direction; and in consequence, I shall be re- sponsible for any misuse of the money to be thus placed in my hands; I shall be in fact the director, to whose con- trol Mr. D’Homergue will be bound to submit. He shall receive no money but through my hands, and I shail see to its application. In short, I shall act for the United States, in this matter, as I should do for myself, if I were in their place. For this service, I shall expect no reward or compensation whatever. Iam devoted to the object; [ have leisure and health; it will be a pleasure to me to direct and watch over this great undertaking, and to enjoy its progress, and I shall consider it as a glorious empley- ment of the latter years of a long life. Now, Sir, that you and the honorable committee may APPENDIX. 379 ‘not think that [am here guided by unreasonable enthusi- asm, I think it right to state to you the grounds on which Tam induced to make an offer, which, otherwise, might be considered by some as at least a rash act, but which is only the effect of a strong conviction of the probability, I ‘had almost said, of the certainty of success; indeed, sav- ing unforseen accidents, I cannot conceive how the pro- ject can fail. My grounds are the following: 1. Of the talents of Mr. D’Homergue I have not the least doubt. His recommendations from Europe are ex- plicit on that head. The silk that he has reeled in this country has been admired by respectable silk merchants from Lyons, now in this country, who are competent judges. TI enclose a small sample of raw silk, of the qual-- ity called organzine, which he has reeled in my presence, from cocoons sent to him by Thomas Sumter, Esq. of Statesburgh, South Carolina. ‘They were most beautiful, and of an extraordinary size; this silk was shown in my presence to the fringe maker whom I have already men- tioned, who mistook it for that fine silk with which they make Valenciennes lace, which he saw sold at Paris for $20 a pound; but Mr. D’Homergue admits that it is not of that quality. ‘This sample is very small, but there were but few cocoons reeled; and similar samples have been distributed among friends, and some sent abroad. The committee will, no doubt, be struck with the dazzling whiteness of the silk; such is seldom found out of this country. 2. As to the personal character and disposition of Mr. D’Homergue, | have had sufficient opportunity of know- ing it, in a constant intercourse during nine months. He is a modest, ingenuous young man, ambitious of fame, and of perfectly correct principles. He places in me implicit confidence, and is willing to be, as he has hitherto been, entirely guided by my counsels. I can rely on his moral 380 APPENDIX. character; and I have not the least doubt that he will, un- der my direction, faithfully execute whatever he shall un- dertake to do. I now shall state to the committee the reasons which convince me that he is the person the best calculated, and, perhaps, the only one, through whom the silk manufac- tures can be speedily and effectually introduced into this country. His being the son of an eminent silk manufacturer has been attested to me, not only by himself, but by credible persons acquainted with his family.. His knowledge is not confined to the reeling of silk, but extends to the va- rious branches of the silk manufacture. Such persons are very rare, even in Europe; it was a fortunate accident that brought Mr. D’Homergue into this country. Silk reelers may be found, silk throwsters, also, and manufacturers skilled in particular branches; but none, or very few, and none at his age, possessed of so general a knowledge. His youth, too, is an immense advantage, as it will identify him with the country, and give him time to carry all his projects into execution. French reelers cannot be induced to leave their country ; and if they could, as they are very ignorant, and work mechanically, they would not be able to teach the art as Mr. D’Homergue can. Directors of filatures are, in general, men of an advanced age, with fami- lies, well compensated for their labor; these could only with great difficulty be obtained; and it is very doubtful whether their talents for instructing would be equal to their pretensions, which, no doubt, would be very elevated. 1 -eonsider Mr. D’Homergue as an important acquisition to this country. Thus, Sir, I have ventured to lay before you and the honorable committee a plan for the firm establishment of the filature, and eventually, of the manufacture of silk in this country ; which, after much reflection, and the most APPENDIX. 381 mature deliberation, has, and still appears to me to be, the cheapest, the easiest, and the most effectual, to produce this result completely, and in the shortest space of time possible. Permit me, before I conclude, to submit a few observations. 1. I believe it must be admitted, that, if the object can be attained for the sum of forty thousand dollars, without any further expense to the United States, it will be, con- sidering its value, the cheapest purchase that ever was made. When we consider the sacrifices which the sove- — reigns of Europe have made for the same object, the no- ble rewards that they have given to individuals under simi- lar circumstances; and when we consider, particularly, that, at the present moment, the government of France is called upon, by the merchants of Lyons, to expend the sum of $120,000, in bounties to the owners of filatures, merely to induce them to purchase and use an expensive ma- chinery, that the preparation of raw silk, long since known and practised in that country, may be uniformly carried to the highest degree of perfection, we may be able to judge of the importance and of the value in which is held in Eu- rope that fundamental branch of the silk trade, on the per- fection of which every thing else depends; and we are unavoidably led to the conclusion that forty thousand dol- lars is a trifling sum, indeed, for securing the introduction generally and uniformly through our country of so valua- ble an art. As relates to Mr. D’Homergue, I do not think that less, in justice, can be offered to him, undertaking as he does to bear all the expenses. From the view he has taken of the subject, he does not expect, at the end of the three years, to have much more than the matériel of the esta- blishment, which will, of course, remain to him, and per- haps some money. If it were otherwise, it appears to me a just principle, that he who makes a nation’s fortune, 382 APPENDIX. should make his own. But Mr. D’Homergue does not expect to make his fortune by the execution of this plan, but only to be put in the way of making it by future exer- tions, which will also be highly beneficial to the country. 2. I regret very much that, as the committee contem- plated, the execution of this plan cannot take place in the District of Columbia; but several weighty reasons are opposed to it. In the first place, there are not in that Dis- trict the resources that are to be found in one of our large cities. 2ndly: In the employment of women, the differ- ences of color might present great obstacles, which will not exist when several reeling establishments will be scat- tered through the States. 3rdly: I have already stated the difficulties which Mr. D’Homergue would find in his con- nexions with strangers, and which might eventually pro- duce a failure in the project; and I am also convinced that, from my knowledge of him, his character and disposition, from the confidence that.he places in me, and from my having become, in some degree, familiar with the subject of silk, and the various modes of employing it, he would more willingly place himself under my direction, than that of other persons with whom he might not so freely com- municate. Under these circumstances, Philadelphia seems to be the place where the plan in auesuols if adopted, should be executed. Nor does it seem very material ee the sixty young Americans are taught, since their instruction is to take so short a time, and their acquired knowledge so soon to be diffused through the whole land. It would have been dif- ferent if a permanent school were to have been established, as seems to have been contemplated by the committee. Ac- cording to the proposed plan, the school will be only tem- porary; and, in the course of two summers, the instruc- tion of the young citizens will have been begun and com- pleted. ; APPENDIX. 383 One more observation remains for me to make. Whatever plan may be pursued for the introduction of the filature of raw silk into the United States, it will be indispensably necessary to take measures, at the same time, to increase the quantity of cocoons. It will be sufficient for that purpose, to encourage the planting of the white Italian mulberry tree, because, when it shall abound through the country, silk worms and cocoons will naturally follow. I would, therefore, take the liberty to suggest the expedi- ency of granting a bounty, for a limited time, say five years, of dollars for every three thousand such mul- berry trees, of three years’ growth; and if it should be wished to extend the benefit of it to small cultivators, then a proportionate sum for every thousand. ‘The amount of the bounty should depend on the greater or lesser proba- bility that there is of its producing the desired effect, so as to obtain the greatest possible quantity of mulberry trees at the least possible expense to the United States. I do not _ profess to be a judge in this matter. Mr. D’Homergue, on the supposition that the citizens would immediately and generally turn their attention to the planting of those trees, proposed fifty dollars for every three thousand; a genile- man from Indiana county, in this State, on whose judg- ment I place great reliance, on a contrary supposition, pro- posed one hundred dollars for the same quantity. But this is a matter on which the members of the Legislature are most competent to decide. If such a bounty were eranted, it appears to me that no other legislative measure would be required. I have endeavored, in this communication to be as clear, and, at the same time, as brief as possible; I am not sure, however, that I have succeeded. Should any further in- formation be wanted from Mr. D’Homergue, or myself, it B84 APPENDIX. will be given with great pleasure, and every question rea- dily answered. I have the honor to be, With the highest consideration and respect, Sir, your most obedient And very humble servant, PETER 8. DU PONCEAU., Hon. AMBROSE SPENCER, Chairman of the Committee of Agriculture of the House of Representatives of the United States. No. 4. Mr. Spencer’s letter to Mr. Du Ponceau. Wasuincton, March 4th, 1830. Dear Sir:—I ought to apologize to you for my seem- ing neglect in leaving your communication to the Commit- tee on Agriculture of the 23d ultimo, so long unanswered, the reason of this delay is, that I wished to be able to state to you the views of the committee in relation to it. We have had the subject under consideration, and have agreed to your proposition, every member assenting thereto, except Mr. Wilson, who was out of town. I can scarcely express to you the admiration your com- munication excited. To see a man of your age engaging so zealously in a plan promising such a rich harvest of re- ward to the whole country, presents a spectacle of devotion and patriotism, rarely seen in these days. It shall be my first object to draw up a report, but I fear that I must yet trouble you further, in requesting you to draw a bill, and I will give you some suggestions in rela- tion to it, to be followed or not, as you think best, desiring you to frame such a one as meets your own views. Ist. As to the $40,000, ought it not to be payable to you, for the purposes specified in the bill? Mr. D’Homer- APPENDIX. 1» RH gue is a stranger, end there may be objections to placing in his hands that sum, my wish is to encounter as few ob- jections in the details as possible. 2d. Would it not be advisable to place the designation of the sixty pupils in the chief executive magistrate of each state? ‘They are better able to make the designation, than any officer of the general government. 3d. Ought not the pupils to be taken from the states in the proportion of their population or representation in the House of Representatives, giving every state one pupil? 4th. Should there not be some police established for the government of the pupils? On this subject, I have no very definite ideas, and J submit the whole to your consi- deration, asking only as speedy a reply as your conveni- ence will admit. Most Respectfully, Your chedient servant, A. SPENCER. Peter S. Du Ponceau, Esq. No. 5. From the same to the same. Wasuineton, March 13th, 1830. Dear Sir, Yesterday I made a report to the House, stating suc- cinctly the principal points of view which rendered it im- portant to make provision by law, for securing the services of Mr. D’Homergue, as an instructor in the art of filature. I presented at the same time the bill you so kindly drew, and which entirely met the views of the committee; and yeur letter to me, detailing your opinion and reasons in relation to the school. We added one clause to the bill, in order to secure its passage and to do away objections. It confers authority on the President to suspend the pay- ments of the money, if it shall be made to appear to him, 34 386 APPENDIX. that from misconduct on the part of Mr. D’Homergue, the objects of the bill are likely to be frustrated. The report, and bill and documents, were committed to the Committee of the Whole on the state of the union, and ordered to be printed; as soon as they are printed I will send you several copies. I cannot but hope there will be wisdom enough in the Congress to earry this bill into alaw. If this shall hap- pen, you will have secured to yourself a title to the grati- tude of your adopted country, and I shall have the satis- faction of being an humble auxiliary in this good work. Most truly, Yours, A. SPENCER. Perer S. Du Ponceau, Esq. No. 6. IN THE HOUSE OF REPRESENTATIVES OF THE UNITED STATES. March 12th, 1830. The Committee on Agriculture, who were instructed by a resolution to inquire into the expediency of adopting measures to extend the cultivation of the white mul- berry tree in the United States; to promote the culture of silk, by introducing the necessary machinery for reeling the same from cocoons; and for acquiring and disseminating practical knowledge therein; make the following report in part: That the committee have been greatly aided in their in- quiries on these important subjects by essays published re- eently by Mr. John D’Homergue, a native of France, who eame to the United States during the last summer. Mr. D’Homergue, being unacquainted with our language, has been assisted in the writing these essays by Peter S. Du Ponceau, Esq. of whom it is unnecessary to speak, he be- ing extensively known as a genileman of the most patri- APPENDIX. 387 otic VIEWS, possessing great scientific attainments, and an unblemished character. ‘The committee, therefore, con- sider these essays, and the facts contained in them, as en- titled to high confidence. Among the facts developed are several of an important nature. It appears that American silk is superior in qual- ity to that produced in any other country. In France and Italy, twelve pounds of cocoons are required to produce one pound of raw silk, whilst eight pounds of American cocoons will produce one pound of raw silk. That co- coons cannot be exported to a foreign market from several causes, their bulk, their liability to spoil by moulding on shipboard, and because they cannot be compressed without rendering them incapable of being afterwards reeled. it is further demonstrated in these essays, and in a me- morial lately presented by the manufacturers of silk stuffs of Lyons, in France, to the Minister of commerce and manufactures, that the art of filature can only be ac- quired by practical instruction, by some one intimately ac- quainted with, and accustomed to, that process. Thatno hu- man skill or ingenuity, unaided by practical instruction, is capable of acquiring that art, to any profitable extent. It is made manifest, that, although the culture of silk nas been carried on for many years in some parts of the United States, and more particularly in Connecticut, it has been conduct- ed very unprofitably, compared with what the results might have been, if the art of filature had been understood. The sewing silk made in Connecticut is from the best of silk, and is, after all, quite inferior to that of France and Italy ; in these latter countries, sewing silk is manufactured from imperfect cocoons, or from refuse silk. It appears, also, that, unless the silk is properly reeled from the cocoons, it is never afterwards susceptible of use in the finer fabrics, It is a gratifying consideration to the committee, that the benefits from the culture of silk, and the acquisition 388 APPENDIX. of the art of reeling the same, will be common to every part of the United States. ‘The climate of every State in the Union is adapted to the culture of silk; hatching the eges of the silk worm may be accelerated or retarded to suit the putting forth the leaves of the mulberry. That tree is easily propagated from the seeds of the fruit, and is adapted to almost any soil. The committee regard the general culture of silk as of vast national advantage in many points of view. If zeal- ously undertaken and prosecuted, it will, in a few years, furnish an article of export of great value; and thus the millions paid by the people of the United States for silk stuffs will be compensated for by the sale of our raw silk. Théeimportation of silk during the year which ended on the 30th of September, 1828, amounted to $8,463,563, of which $1,274,461 were exported; but, in the same year, the exportation of bread stuffs from this country amounted only to $5,414,665, leaving a balance against us of nearly two millions. 'The committee anticipate, that, at a period not remote, when we shali be in possession of the finest material produced in any country, the manufacture of silk stuffs will necessarily be introduced into the United States. The culture of silk promises highly moral benfits, in the employment of poor women and children im a profitable business, whilst it will detract nothing from agricultural or manufacturing labor. ‘The culture of silk will greatly benefit those States which have abundant slave labor, the value of whose principal productions, particularly in the article of cotton, has been depressed by over production. It is well ascertained, that, although France produces with- in herself much silk, she pays annually more than $20,- 000,000 for imported silk. The committee have been unable to ascertain the amount of raw silk purchased from other countries in England, but they are satisfied the amount is large ; and that, in these countries alone, a ready APPENDIX. 389 market can be found for all the raw silk raised in the Uni- ted States for many years to come. The committee have, through their chairman, corres- ponded with Mr. Du Ponceau, and this report is accom- panied with a communication from that most respectable man and useful citizen, exhibiting his matured views on this interesting subject. Mr. D’Homergue is now in Phila- delphia, and unless sufficient inducements are offered to him to remain in this country, he will very soon leave it forever. He possesses, in an eminent degree, all the prac- tical knowledge necessary as an instructor in the theory and practice of the art of reeling silk from cocoons, and manufacturing the same into the various forms and qualities of raw silk known in the silk trade, having from his infancy been instructed in all the various processes. It is believed to be almost impossible to procure from Europe another person so competent to impart a knowledge of these arts as Mr. D’Homergue is. ‘The acquisition of his services and instruction is invaluable; and in the opinion of the com- mittee, if he be suffered to leave the United States at this period, it would be a national misfortune. In the confi- dent belief that Congress will, unhesitatingly, provide for the appropriation of a small and insignificant sum of mo- ney, in promoting a measure which cannot fail to realize to the nation such rich results, the committee have pre- pared a bill, which they beg leave to present, No. 7. Twenty-first Congress— Second Session.—In the House of Representatives. December 13th, 1830. The Speaker laid before the House the ones com- munication : Sir, You will receive with this letter a silken flag “bear- 34% 390 APPENDIX. ing the colors of the United States. This flag is made entirely of American silk, reeled from the cocoons, pre- pared and woven by John D’Homergue, Silk Manutac- turer. The coloring has been done by the best artist he could procure in the city of Philadelphia; he himself not professing to be a dyer. The staff of this flag, with the eagle, measures about fifteen feet; the flag itself is twelve and a half long, and six feet wide. It is woven in one piece, without a seam. I beg, sir, you will be so good as to present this flag, most respectfully in my name, to the honorable House over which you preside, as a sample of American indus- try, thus applied, for the first time, to the most valuable ef American productions, and as a result of the efforts they have made during the last five years, for the promo- tion of the important branch of agriculture to which we owe the rich material of which this flag is composed. I have the honor to be, With the highest respect, Sir, Your most obedient And most humble servant, PETER 8. DU PONCEAU. Hon. ANDREW STEVENSON, Speaker of the House of Representatives. Ordered, ‘That the said communication be referred to the Committee on Agriculture. December 21st. Mr. Spencer, of New York, from the Committee on Agriculture to which was referred, on the 13th inst., the letter of Peter 8. Du Ponceau, announcing his presenta- tion to the House of a silken flag, bearing the colors of the United States, made of American silk, reeled from co- coons and prepared and woven by John D’Homergue, made a report thereon; which was read, and the resolution therein submitted, viz: APPENDIX. 391 ‘‘Resolved, That the flag bearing the colours of the United States, presented to this House by Peter S. Du Ponceau, of Philadelphia, made of American silk ; prepar- ed and woven by John D’Homergue, Silk Manufacturer, in the city of Philadelphia, be accepted by this House, and that it be displayed, under the direction of the Speaker, in some conspicuous part of the hall of sittings of this House.” Having been read, Mr. Alexander moved to lay the reso- lution on the table ; which motion being disagreed to, the said resolution was concurred in by the House. February 9th, 1831. On motion of Mr. Spencer, of New York, Ordered, That the Committee of the Whole House to which is committed the bill (No. 345) for promoting the growth and manufacture of silk, be discharged from the consideration thereof, and that the said be committed to the Whole House on Monday next. No. 8. Twenty-second Congress—first Session. December 14th, 1831. The Speaker laid before the House a letter from Peter S. Du Ponceau, of Philadelphia, dated December 9th, 1831, upon the subject of the culture and manufacture of silk ; which letter was referred to the Committee on Ag- riculture. January 20, 1832. Mr. Root, from the Committee of Agriculture, to which was referred a letter from Peter S. Du Ponceau of Phila- delphia, on the culture and manufacture of silk, made a re- port thereon, accompanied by a bill (No. 294) for promo- ting the growth and manufacture of silk; which bill was read the first and second time, and committed to a Com- mittee of the Whole House to-morrow. 392 APPENDIX. Thursday, February 2. On motion of Mr. Root, Ordered, That the Committee of Agriculture, to which is committed the bill (294) for promoting the growth and manufacture of silk, be discharged, and that the bill be committed to a Committee of the Whole House, and made the special order for Tuesday the 7th instant. February 16. The House proceeded to the consideration of the bill (No. 294) for the growth and manufacture of silk, (and of another bill) whereupon it was Ordered, That the consideration of the said bills be postponed until Monday next. March 12. Mr. Root presented a memorial of the New York State Agricultural Society, praying that the bill now pending be- fore this House (No. 294) for promoting the growth and manufacture of silk, may speedily be passed into a law, or that such other measures may be adopted, as, in the wis- dom of Congress, may seem meet for the encouragement — of the growth and manufacture of silk; which memorial was referred to the committee of the Whole House to which said bill is committed. May 10. The Speaker communicated to the House a letter from Peter Stephen Duponceau, stating sundry reasons why it is important to the nation that the bill, now pending be- fore this House, ‘ for promoting the growth and manufac- ture of silk,’’ should be acted upon as soon as possible ; and, above all, that it should not be suffered to lie over the present session; which communication was committed to the Committee of the Whole House to which the said bill is committed. The letter is as fellows *: * This letter is printed among the public documents, and marked, Document No. 232, Housse of REPRESENTATIVES. APPENDIX. 393 Wasuineton, 8th May, 1832. Sir— The present session of Congress being far advanced, and business pressing on your honorable House from every side, I think it my duty to solicit again their attention to the bill ‘‘for promoting the growth and manufacture of silk,” now pending before them, and to state some reasons why it is important to the nation that it should be acted upon as soon as possible, and, above all things, that it should not be suffered to go over the present session. As there are many members of the present House who are unacquainted with the history of this bill, and who may not understand on what grounds I take the liberty to ad- dress them through you, I beg leave to give here a brief statement of it, which, while it serves as my apology, will, I believe, throw some additional light on the important subject to which your attention is most respectfully request- ed. When, at the beginning of the first session of the last Congress, I had the honor to present to them a copy of the ‘‘ Essays on American Silk,” then lately published by Mr. D’Homergue and myself, I had nothing in view but to give them a mark of my profound respect, and, at the same time, through them, to extend the knowledge of the facts which the book contains. I was highly flattered by the honor which the House did to that little work, by re- ferring it to their Committee on Agriculture; still, I had no idea that that reference would lead to the recommen- dation of a legislative measure. The idea of deriving a national advantage from the ex- portation of raw silk was entirely new, at that time, in the United States.’ Until then, the culture of that rich produc- tion of our soil had been considered only with a view to domestic manufactures. ‘This is so true, that, in the able 394 APPENDIX. report of the Committee on Agriculture, made to the House on the 2d of May, 1826, in the Manual that was prepared - and published on their recommendation; and in the an- swers that were sent from all parts of the United States to the then Secretary of the Treasury, Mr. Rush, in conse- quence of his circular queries, (as far as those answers have come to my knowledge,) the importance of the ex- portation of raw silk, as an article of commerce, is not any where suggested. ‘Thus, our agriculture, as far as silk is concerned, was considered only as auxiliary to domestic manufactures ; while the idea first thrown out and devel- oped in the ‘‘Essays,’’ contemplates solely the advantage of the agricultural interest of our country, which alone is to be benefited by the sale of our produce to foreign na- tions in the form of a raw material, manufactures may follow or not, asitmay happen. In either case, our coun- try is to be benefited by the sale of an article exclusively the fruit of agricultural industry. When we consider that the small country of Piedmont exported, in the year 1829, near five millions of pounds of her raw and thrown silks, we shall better understand the value of this suggestion. France does not permit the exportation of her silks, unless manufactured. These reflections could not but forcibly strike the minds of the enlightened committee to whom the work was re- ferred. ‘That committee did me the honor to address me through their chairman, and desired my interference to retain Mr. D’Homergue in this country. I was requested by them to ask him on what terms he would accept to be placed at the head of a national school of filature ; in con- sequence of which, after having ascertained the lowest terms that could reasonably be offered to him, and obtained his assent, not without difliculty, as his pretensions were higher, and these I found justified afterwards by a letter from his father, in which, appealing to his experience of } i’ | | APPENDIX. 395 forty years, he told him that forty thousand dollars would hardly be sufficient to enable him to execute what he had undertaken; I submitted a plan, which the committee im- mediately adopted, and presented to the House in the form of the present bill, to which they subjoined my letter to them, and an able report, warmly recommending the mea- sure, in which is found this remarkable expression, that it would be a national misfortune if Mr. D’ Homergue were suffered to leave this country. That report was made on the 12th of March, 1830. The session was then far advanced, and the House could do no more before their adjournment than order six thou- sand copies of the report, with my letter to the committee, and the ‘‘Essays on American Silk,” to be printed. The Senate, to whom a copy of that work had been also pre- sented, referred it to their Committee on Agriculture and manufactures, with whom I had some correspondence, which, however, produced no result, as the subject had been so fully taken up by the House of Representatives. Under these circumstances, sir, | thought myself in hon- or, if not in duty bound to justify the confidence placed in me by retaining Mr. D’Homergue in this country, at least until another session of Congress. At the same time, I determined to prove to Congress, and to the nation, by the evidence of facts, the great importance of the contemplated measure, so that it might be popular by the time it should come again before the National Legislature. I went with Mr. D’Homergue to Connecticut, to see how the people there managed the silk culture, and their so much spoken of domestic manufacture of sewing silk. My object in going thither was also to purchase cocoons, of which how- ever, | could obtain but a small quantity, as the people thought that they might employ them otherwise to more advantage. We, therefore, supplied ourselves, in that and the succeeding year, from other sources. On my return to Philadelphia, I erected an experimental filature under 396 APPENDIX. the direction of Mr. D’Homergue, in which American wo- men were instructed in the art of preparing raw silk for exportation. As there was not time before the then next session of Congress to obtain information from Europe of the results of these experiments, I prevailed on Mr. D’ Ho- mergue, although without much of the requisite machine- ry, to manufacture, himself, in various forms, a part of the silk prepared at the filature. It was not until the end of the last session of Congress, that we obtained proofs from abroad, that our raw silk was esteemed in foreign coun- tries, and might become a valuable article in our commerce with other nations. The details of these experiments and their results at home and abroad, have been made known to the House in former communications. The last session was short, and a great part of it taken up by a State trial in the Senate, at which the members of the House attended. ‘The House, however, showed its favorable disposition towards the bill, by fixing a day for its discussion; but, more pressing business interven- ing, that discussion did not take place, and Congress ad- journed, of necessity, on the day appointed by the consti- tution. At that time, sir, Mr. D’Homergue had received tempt- ing offers from a foreign minister, then at Washington, and was hesitating whether or not he would accept them. The fact was known to many members of the late Con- gress, who considered it of the highest importance that Mr. D’Homergue should stay in this country, at least, to wait the result of the present session. ‘Io obtain that end, a paper was signed on the very day of the adjournment of the late Congress, by eighty-nine members of the House of Representatives, in which, without presuming to predict what might be done by a future Congress, they did not hesitate to give it as their decided opinion, that, if the bill had been considered at that session, ‘‘ it would have met with the approbation of the House of Representatives.” APPENDIX. 397 That paper was brought to Philadelphia, and delivered to me by the Hon. Ambrose Spencer. Under such circumstances, what couldI do? However inconvenient it might be to me to continue the efforts I had begun, that was not now an object for my consideration. A market had been established at Philadelphia for cocoons, and they were bringing in for sale from various parts of the country. ‘To have discontinued that market at once, would have discouraged the farmers, and checked the impulse which Congress had been giving to the silk culture since the year 1826; and, what would have been worse, Mr. D’Homergue might have accepted some of the offers made him, and left this country. I therefore determined to per- severe; the cocoons were purchased, the women hired, and the filature again set to work, not as a business, or with a view to any profit, but as a continuation of former experiments. Mr. D’Homergue was persuaded to remain in the United States, and to reject the offers made to him by the foreign minister to whom I have alluded, and by another, then in Philadelphia, who made overtures to him in my presence. The period having arrived for the opening of the pre- sent session of Congress, I had the honor of addressing a letter to you, requesting that you would place the subject before the eyes of your honorable House. I had the sa- tisfaction to see that my letter was promptly referred to the Committee on Agriculture. Encouraged by this favora- ble token, and determined that no effort should be want- ing,‘on my part, to promote so important a measure, I re- solved to accompany Mr. D’Homergue to this city, that he and I might be on the spot to give to the members all the explanations that they might require. We attended together the Committee on Agriculture, who brought in the former bill with a report not less favourable to it than that of their predecessors. ‘The order of the House, which 30 398 APPENDIX. soon after followed, to place that bill among the special or- ders of the day, convinced me of the high importance which they attach to the subject; and I should not think it neces- sary to trouble them or you with this letter, if the session were not so far advanced, and the prospect of the bill’s being taken into consideration during its continuance dimin- ishing every day. At any rate, the part I have taken in this business, in consequence of the facts I have stated, and which I have continued to take as long as my means would permit, until prudence warns me to desist, if the House should postpone its decision to another session, will, I hope, be accepted as an apology for what other- wise might be considered as an officious and unwarranted intrusion. I beg to be permitted to take this opportunity to say, that, from my own observation, and the information of others, and particularly of editors of newspapers, who, by exchanging their journals, have the best means of know- ing the feelings of the people at large, the measure con- templated by this bill is highly popular among all classes of men, but particularly the agriculturists throughout the whole Union; and I am satisfied that, if passed into a law, it will give general satisfaction. I am further convinced of this, and that the postponement of the bill will cause great disappointment among the farmers who have turned their thoughts to the silk culture, by the letters which I receive from all parts of the United States, which general- ly end with the query, whether there will be a market for cocoons this year at Philadelphia? which question I am unable to answer. This inquiry has lately been made by the inhabitants of the silk district, in Connecticut, who two years ago, were unwilling to sell their cocoons, be- cause they thought they could manufacture them to better - advantage, but now appear to entertain a different opinion. From the southern States, similar inquiries are made; and, since I have been in this city, I have been informed APPENDIX. 399 that cocoons had been sent for sale to Philadelphia from North and South Carolina, but could find no purchaser, as it would be idle in me to purchase that produce, to throw away afterwards if the silk bill shall not pass. I ought to add that several State Legislatures have made laws to encourage the culture of the mulberry tree, and the breeding of silk worms, in contemplation of the pass- ing of that bill. I fear that if a check be given to this- strong impulse by the discontinuing of a market for co- coons, it will be difficult hereafter to revive it; and, with- out the silk bill, I do not see how that market can be con- tinued. As I was going to conclude this letter, I received, from Philadelphia, extracts from a series of public documents lately presented to the American Philosophical Society, by Don J. M. Tornel, late Minister from Mexico to the United States. Among those documents, are official re- ports, in which it is stated that the want of the knowledge of the art of reeling is the only thing that prevents the cul- ture of silk from flourishing in that Republic; and [ ought to add, that itis known to me that overtures have been made to Mr. D’Homergue, on the part of that government, to induce him to enter into their service. Thus, sir, three foreign governments have endeavored to obtain the aid of Mr. D’Homergue to introduce or per- fect the art of reeling silk among them. ‘This shows that it is not so easy, as some have imagined, to obtain persons thus qualified from other countries: and that this nation is pos- sessed of an opportunity, which, if it should suffer to es- cape, it may long, very long, have cause to regret here- after. The only object of this letter is to endeavor to convince your honorable House of the high importance of this bill, in the confident expectation that it will be finally acted up- on by Congress at the present session. In doing so, | conceive I am performing a duty, which, if I were to neg- 400 APPENDIX. lect, I would have cause to mec myself for it forever after. I have the honour to be, with the highest respect, Sir, your most obedient and ey humble servant, PETER 8. DU PONCEAU. ~ Hon. ANDREW STEVENSON, Speaker of the House of Representatives of the United States. May 22. The House Resolved itself into a Committee of the Whole House on the bill (No. 294) for promoting the growth and manufacture of silk ; and, after some time spent therein, the Speaker resumed the chair, and Mr. Barrin- ger reported the said bill to the House with amendments. May 23. The House proceeded to the consideration of the bill (No. 294) for promoting the growth and manufacture of silk: when A motion was made by Mr. Polk, that the enacting words of the said bill be stricken out. And, after debate thereon, A motion was made by Mr. Wickliffe, that the said bill be recommitted—with instructions to inquire into the ex- pediency of so amending the same as to establish at the public expense, a filature for reeling silk, and for the em- ployment of suitable superintendents for the same, and of providing for the instruction of pupils in the art of reeling silk. 4 | And, on the question, Shall the said bill be recommitted with instructions ? It was decided in the negative. The question was then put on the motion of Mr. Polk to strike out the enacting words of said bill ; & , BY Yeas a 3 ri ir 98 And passed in the affirmative. ; Nays esac al And so the bill was rejected. APPENDIX. D. Proceedings in the Legislature of Pennsylvan‘a on the presentation of a flag made of American Sitk, bear- ing the colors of the United States. From the Harrisburg Reporter, Friday, January 6, 1831. AMERICAN SILK. A very beautiful flag manufactured by Mr. D’ Homergue of Philadelphia, from silk the growth and produce of this state, was a few days since presented to the Legislature by Peter S. Du Ponceau, Esq., accompanied by a letter from that gentleman. ‘The letter was referred to a com- mittee in the House of Representatives, consisting of Messrs. Jngersoll, Read, of Susquehanna, and Craft; and Mr. Ingersoll from that committee, on the 14th inst. made a very appropriate report, accompanied by a rescolu- tion that the flag be displayed in the House, under the direction of the Speaker. Agreeably to the resclution the flag has been very tastefully displayed over the Pennsyl- vania Arms in rear of and above the Speaker’s chair, where it at once commands the attention and admiration of every one entering the hall of the House. We think it a fine specimen of the useful perseverance of its worthy donor, and a strong earnest of what may be expected from the culture and manufacture of silk in Pennsyivania here- after. ‘The following is the letter and report of the com- mittee. ‘The report was unanimously adopted, PuHivaDEtpuia, Jan, 3, 1831. Srr,—I take the liberty of presenting through you to the honorable House over which you preside, and of offer- ing to their acceptence, a flag, bearing the colors of the 35* A02 APPENDIX. United States, and made entirely of American silk, by Mr. John D’Homergue, of and in the city of Philadelphia. The texture of the flag-is light and delicate; more so perhaps than it should have been, if my object were not by this specimen to show that stuffs of this description may be manufactured in this country, from our own native material. It is for similar stuffs that we pay annually to: Europe a tribute of several millions of dollars, considerably exceeding the amount that we receive for all our bread stuffs. Hitherto the silk that this country produces, has been exclusively employed in making sewing silk, and a few stockings, gloves, and other like articles of domestic manufacture, in which the best material has been used, while elsewhere those articles are made of imperfect co- coons, and of waste and refuse silk. For more than twen-- ty years, the inhabitants of a part of the state of Connec- ticut, have pursued this unprofitable system, and it is re- markable that the silk districts which ought to be the richest in that State, are in fact the poorest. There is no market there for their cocoons or silk balls, those who raise them are obliged to manufacture them themselves, or they will perish on their hands. Nor can they find any cash ‘price for the articles they make, so that they must use them in their families, or dispose of them by way of bar- ter. ‘This system is fast extending itself through the other states, and the only use that has hitherto been made of the cocoons in Pennsylvania, has been converting them into sewing silk, or coarse articles of domestic fabric. It is not that manufacturers of fine silk are wanted in the United States, we have: them in this city of every description, seeking employment which they cannot obtain for want of raw silk properly prepared. The art of making this preparation, which is called reeling, is not known among us, though it is generally but most erroneously sup- posed to be very simple, while on the contrary it reauires - APPENDIX. A403 much instruction and long practice and experience; and those who know and would instruct us in it, cannot with- eut the greatest difficulty be procured from other countries. Without the knowledge of this art, itis impossible to em- ploy our silk in a profitable manner, for unless the raw material is properly reeled, it cannot be exported abroad nor manufactured at home into those fine stuffs for which we pay so large an annual amount to foreign countries. Having had the good fortune in finding in Mr. D’ Homer- gue, a person well skilled in that mode of preparing our native silk either for exportation or home manufacture, I established last summer under his direction an experimen- tal filature of ten reels, in which twenty women were em- ployed; in consequence of which a market for cocoons was immediately opened at Philadelphia, whither they were brought for sale from.almost every part of the United States. The farmers brought them from different parts of this state, and received cash for them, which they had never done before. 'They were brought it is true, in small quanti- ties, but there is no doubt that the culture of silk will be there- by promoted, and that in the course of a few years, if this important object shall receive the national encouragement, which a bill now before Congress gives reason to expcct,. silk worms will be raised in great plenty all over Penn- sylvania. ‘The climate being peculiarly well adapted to the cultivation: of the Mulberry tree, which will thrive even in our poorest soil. The flag which I have the honour to send to you is of-. fered as a visible proof of the facts I have just stated, no silk stuff of the same kind has ever been or ever attempted: in this country,.and none can be made without a perfect knowledge of the art of preparing the raw material. Ibeg you will be so good as to present this flag most respect- fully in my name to your honorable House, as a sample of a new and interesting branch of American manufacture 3: 404 APPENDIX. as a token of my high respect; and as a proof of my sin- cere devotion to the interests of the State of Pennsylva- nia, which has been from early youth my cherished home, and where I hope with my latest breath, to offer my last fervent prayer for her happiness and prosperity. I have the honour to be, With the highest respect, Sir, your most ob’dt humble serv’t. PETER S. DU PONCEAU. To the Hon. Freprrick Smiru, Speaker of the House of Representatives of the Commonwealth of Pennsylvania. REPORT OF THE COMMITTEE. That this beautiful specimen of American agriculture and manufactures, carried through all its process in Pennsy]l- vania, is a practical result of the utmost importance to the wealth and prosperity of the state. Its agriculture has long suffered from restriction to certain staples, of which the production has increased, while the foreign demand is greatly diminished. By the valuable experiments of Mr. Du Ponceau and Mr. D’Homergue it is established that the climate, the soil, and the waters of Pennsylvania, are emi- nently congenial with the culture of silk, which it is be- lieved may be cultivated with advantage throughout the United States. Ifso, this inestimable product must become a great staple of the country. Adverting to the fact that but forty-six years ago, an American vessel with cotton on board, was seized at Liverpool under the impression that cotton was not the growth of America; and to the fact, that last year more than six hundred and forty thousand bags of American cotton were imported at that port, there is nothing unreasonable in the anticipation that a similar development may attend American silk. In every country producing silk, it has become the APPENDIX. | 405 fruitful means of industry and wealth. Every manufac- turing country incapable of producing, has spared no efforts to naturalize it. Added to the other products of this state and Union, its benefits must be incalculable. It leaves all other employments unimpaired, and affords domestic occu- pation to females and children, who may rear the cocoons, and reel them into raw silk. Many millions, as Mr. Du Ponceau states, are the tribute money paid for it by the United States to foreign countries. From the increase of the coasting trade of Philadelphia, which has nearly trebled itself within the last eight years, encouraging and unquestionable proof is afforded, that the agriculture, manufactures, and mineral wealth of the state, are in active and increasing demand. If, as is understood to be the case, vessels loaded with the coal of Pennsylvania are destined to sail for France in the ensuing season, the fo- reign trade of the state may derive great augmentation from that source. Even the quantity of flour exported from Phi- ladelphia to Europe has much increased of late; and wool bears better prices throughout the country. With these flattering prospects, no aid within the power of legislation should be withheld from the endeavor to domesticate silk, and unite so important a staple to the others. In France, Italy, Flanders, Spain, and England, no wealth or honours were spared by government, when the object was to cherish and reward the culture of this superior article, which, in all ages and nations, from the earliest era to the present, has been in universal request and of the highest value. The flag presented by Mr. Du Ponceau is a proof of the natural and artificial resources we possess; and that in the practical skill of Mr. D’Homergue, the country enjoys the fortunate means of obtaining all the instruction and demon- stration necessary for the complete attainment and indefi- nite extension of the difficult art of reeling silk, without 406 APPENDIX. which raw silk for manufacturing, or of the merchantable quality saleable in foreign markets cannot be produced. The patriotic, disinterested, and most praiseworthy ex- ertions of Mr. Du Ponceau to establish the art among us, entitle him to the gratitude of the state. ‘They constitute another of the public services of a citizen whose career, beginning in the army of the revolution, and continued in the department of foreign affairs, afterwards distinguished by eminent accomplishments in jurisprudence and other sciences, has exalted him to become the successor of Jef- ferson as president of that Philosophical Society which was founded by Franklin. ‘To the duties and distinctions of such a career, Mr. Du Ponceau, in the decline of life, superadds a noble effort to confer upon his country the in- estimable advantages of the introduction of silk, and to join that to the many honors of which his venerable years are full. The committee trust that it will not be deemed inappro- priate to display this flag in the hall of the Representatives of Pennsylvania, near the Speaker’s chair—the same that was once filled by the President of that immortal Con- gress, which in the city of Philadelphia, declared the in- dependence of these United States. They therefore respectfully submit the following reso- lutions. Resolved, That the Representatives of the Common- wealth of Pennsylvania accept, with great sensibility and satisfaction, the silk flag of the United States, presented to them by Peter 8S. Du Ponceau, as an auspicious promise of national wealth and prosperity, and a proof of the patriot- ism of the distinguished donor. Resolved, That the flag be displayed in a conspicuous part of this House under the direction of the Speaker, and that the Clerk be directed to communicate to Mr. Du Pon- ceau copies of these resolutions and report, _ ie? 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