CATALOGUE OF THE Marine Mollusks of Japan WITH DESCRIPTIONS OF NEW SPECIES AND NOTES ON OTHERS COLLECTED BY FREDERICK STEARNS BY HENRY A,,PILSBRY Conservator Conchological Section of the Aca3emy~of Natural Sciences of Philadelphia DETROIT PUBLISHED BY FREDERICK STEARNS 1895 CATALOGUE OF THE Marine Mollusks of Japan WITH DESCRIPTIONS OF NEW SPECIES AND NOTES ON OTHERS COLLECTED BY FREDERICK STEARNS >../-,:.. si v ••.••'.::". HENRY A. PILSBRY Conservator Conchological Section of the Academy of Natural Sciences of Philadelphia DETROIT PUBLISHED BY FREDERICK STEARNS 1895 .. •IOLOGY LIBRA PREFACE. '"THIS catalogue grew from the research incidental to the identifi- cation of the mollusca procured by Mr. Frederick Stearns dur- ing two visits to Japan. A portion of the collection made in 1889- '90 having been submitted to the writer for identification, it was found to contain a number of new and interesting species, some of •which were described and figured in the Proceedings of the Academy of Natural Sciences of Philadelphia for 189J, and in the The Nauti- lus. A catalogue ol this collection (pp. 20, 1 plate) was prepared by Mr. Stearns, and widely circulated among naturalists. A much more extensive collection was secured by Mr. Stearns upon his second visit to Japan, and it was found necessary to review so considerable an amount of conchological literature in its identifi- cation, that it seemed desirable to collate the references to Japanese mollusks subsequent to the date of Dunker's excellent work, Index Molluscorum maris Japonici, as well as those not contained in that catalogue, and, together with descriptions and figures of the new forms discovered by Mr. Stearns, to publish a new catalogue of Japanese marine mollusca. The present volume contains about 500 species more than Dunker's Index, although a considerable number of forms enumerated by him are herein considered synonyms or are rejected from the Japanese list. 40 species and 8 varieties believed to be new are described, including some of which diagnoses have already appeared in the Nautilus, and the species of certain families, such as Patellidce, Fissurellidce, etc., are somewhat critically revised. In the families Rissoidce, Eulimidce, and Pyramidellidce a con- siderable number of forms collected by Mr. Stearns remain un- identified. Although some of them are doubtless new, the literature of these groups has been so overloaded with Arthur Adams' des- criptions which do not describe, that intelligent work upon the Japanese forms is impossible. The literature of descriptive zoology furnishes but few instances of work more superficial and worthless than that of this industrious dilettante. cm) M110427 v PREFACE. The work consists of three portions : a list of marine mollusks which have been stated to inhabit Japan from Yezzo to Kiushiu, with references to description or figures of most species, and enumer- ation of the special localities at which each species has been found by previous naturalists or by Mr. Stearns. This is followed by a catalogue of the Inland mollusks taken by Mr. Stearns in Japan ; and finally a list of mollusks of the Loo Choo group procured by Mr. Stearns is given. I have identified the specimens collected in Japan ; those from the Loo Choo Islands were identified partly by Mr. Stearns, partly by myself (see p. 160). Recent investigations have added no very important facts to the general conclusions of Lischke regarding the status of the Japanese mollusk fauna in comparison with the Indo-Pacific faunas. The percentage of species peculiar to Japan has been considerably increased, however, and probably will be further augmented; although no doubt recent political events have added a considerable number of tropical species to what must hereafter be considered Japanese seas. The classification used in the following pages while not entirely that of any one of the manuals, it is hoped will be found convenient for reference. The current generic nomenclature has been revised in certain cases; and for perhaps the first time in the century, cer- tain Linnsean names, such as Lima lima and Delphinula delphinula hayebeeu restored to their rightful places. It may be noticed that some new specific names employed here- in resemble the names of certain localities or islands of the Japanese Empire; but we must here explicitly declare that between such specific and geographic names no necessary connection exists ; and the former, except where the contrary is stated, should be taken as mere arbitrary or meaningless words. They will, therefore, not be subject to change on account of modifications in the current mode of transliteration from Japanese to the Roman character, nor from other causes. Philadelphia, August, 1895. H. A. P. INTRODUCTION. DURING 1889-'90, the publisher of this Catalogue spent nearly a year in Japan, and some weeks in China. The journey was in quest of health and the pleasure of travel. Much time was de- voted to making a typical collection of Japanese art work of many kinds. I had been, for some years before visiting Japan, much interested in its history, political evolution, and in the marvellous delicacy of many of its art products, and had studied and collected the latter with interest. The result was a collection of over fifteen thousand objects in metal, lacquer, pottery, bronzes, fabrics, etc. This collection has been catalogued, mounted and presented to the Detroit Museum of Art. Being also interested in natural history, I attempted to make a collection of the mollusks of the country, commencing first with such species as I found in the markets of Tokyo and Yokohama, and finally employing an intelligent Japanese fisherman — Morita Seto — who traversed the entire east coast from Tokyo, along Sagama and Saruga and the coasts of the Provinces Kii, Awa and Toza, along the north shore of the Inland Sea as far as Bingo, and, by aid of the fisherfolk, obtained nearly a thousand forms of marine life. An account by Mr. J. E. Ives of the Echinoderms, Crustacea and Pycnogonida collected, will be found in Proc. Acad. Nat. Sci. Philadelphia for 1891, p. 210, plates VII-XII ; and some of the Mollusks are described and illustrated by Mr. Pilsbry in the same volume, pp. 165, 471, plates IV, XVII, XVIII, XIX. The Japanese fishermen, by the use of drag and dredge-nets, gather not only fish, but largely mollusks, working in water some- times as deep as thirty fathoms. The region visited lies between 33° and 36° north latitude, and 132° and 141° east longitude, on the east coast of the Japanese Islands. Here the Kuro-Shiwo or " Pacific Gulf Stream " flows north-easterly, and the presence of this warm current accounts, possi- bly, for the occasional finding of strictly tropical species. (v) Vi INTRODUCTION. In December, 1891, I set out upon a winding journey around the world, first spending the winter on the Hawaiian Islands, where I made some collections of shells, thence proceeded to Japan, where the following summer was passed. Here I traveled more exten- sively than during my former visit, the itinerary covering almost the entire length of the Empire, from the Province of Satsuma in the south, to Sapporo, the capital of the Island of Yezzo, in the north. Profiting by the experience of my first visit, I availed myself of the assistance of coast-fishermen in collecting the rarer forms of mollusks, and, while the territory covered does not greatly exceed that of the earlier visit, much new material was obtained. My Japanese collector, Morita Seto, spent a year — 1891-2 — in the Loo Choo Islands, collecting shells. But, as the fauna of that Archipelago is more closely allied to that of the Indo-Pacific region than the fauna of the Japanese waters, the results of the expedition were not so valuable as anticipated. In conclusion it should be stated that I have spent an active business life as a manufacturing pharmacist, until circumstances permitted me within recent years to retire from active work in that profession, and devote my advanced years to travel, and to at least a superficial study of natural history ; and hence I beg to be con- sidered only as an amateur in conchology, and the public will understand that whatever of scientific merit this volume possesses, is due to my friend and editor Prof. H. A. Pilsbry. NOTE: — Very many of the species enumerated in this Cata- logue, to which my name is attached as collector, may be had in exchange by conchologists and collectors. Upon application, printed lists of such duplicates will be forwarded. Many species of which but few specimens were obtained upon my first visit, were found more abundantly on the second. FREDERICK STEARNS, Detroit, Michigan, U. S. A. List of Abbreviations Used for the Prin- cipal Authorities Cited. I. WORKS ON THE FAUNA OF JAPAN AND NORTH-EAST ASIA. Mai Ross. Beitrage zu einer Malacozoologia Rossica, von Dr. A. Th. von Middendorff. St. Petersburg, 1847. Sib. Reise. Dr. A. Th. von Middendorff's Reise in den Ausser- sten Norden und Osten Siberiens. II, Zoologie, Mollusken, bearbei- tet von A. Th. von Middendorff. St. Petersburg, 1851. Amurl. Moll. Reisen und Forschungen im Amur-Lande, in den Jahren 1854-1856, etc., von Dr. Leopold v. Schrenck. II, Mol- lusken des Amur-Landes und des Nordjapanischen Meeres. St. Petersburg, 1867. Moll. Jap. Mollusca Japonica, a Guilielmo Dunker, Stuttgart, 1861. J. M. C. Japanische Meeres-Conchylien, von Dr. C. E. Lischke, I, II, III, Cassel, 1869-1874. Faun. Jap. Fauna Molluscorum extramarinorum Japonise, eta, von Dr. W. Kobelt. Frankfurt a. M., 1880. Index. Index Molluscorum maris Japonic!, a Guilielmo Dunker, 1882. II. MONOGRAPHIC AND ICONOGRAPHIC WORKS. Man. Conch. Manual of Conchology, by George W. Tryon, Jr., Philadelphia, 1878-1895. First series, Marine Univalves, Vols. I- X by Tryon ; X-XVI, by H. A. Pilsbry. Second series, Terrestrial Mollusks, Vol. I-IV by Tryon ; V-X by Pilsbry. Conch. Cab. Systematisches Conchylien-Cabinet von Martini und Chemnitz, Zweite Ausgabe. Later and more useful volumes by Philippi, Pfeiffer, Dunker, Roemer, Clessin, von Martens, Kobelt, Brot, Weinkauff. Abbild. Abbildungen und Beschreibungen neuer oder wenig gekannter Conchy lieu, von Dr. R. A. Philippi, I, II, III, 1845- 1851. (vii) Vlll LIST OF ABBREVIATIONS. Conch. Icon., or C. Icon. Conchologia Iconica, or Illustrations- of the Shells of Molluscous Animals, by Lovell Reeve, Vols. I- XX, 1843-1878 ; later volumes by G. B. Sowerby. Thes. Thesaurus Conchyliorum, by G. B. Sowerby, London, 1847-1887. Nov. Conch., or Novit. Conch. Novitates Conchologicae. Cassel. III. JOURNALS AND PROCEEDINGS OF SOCIETIES. Am. Journ. Conch. American Journal of Conchology, edited by Geo. W. Tryon, Jr., Philadelphia, 1865-1872. Ann. Mag. The Annals and Magazine of Natural History, Lon- don. Bull. Soc. Zool. Fr. Bulletin de la Socie"te Zoologique de France,. Paris. Jap. Ceph. Japanska Cephalopoder, af A. Appelloff; in Kongliga Sveuska Vetenskaps-Akademiens Handlingar (new series) XXI,. No. 13. Stockholm, 1886. Journ. de Conch. Journal de Conchyliogie, publi6 sous la direct- ion de H. Crosse et P. Fischer, Paris. Nautilus. The Nautilus, a monthly journal devoted to the inter- ests of conchologists. Edited by H. A. Pilsbry and C. W. Johnson, Philadelphia. P. Z. S. Proceedings of the Zoological Society of London, 1830- 1895. IV. VOYAGES AND MISCELLANEOUS. Astrol. Voyage de DScouvertes de 1'Astrolabe, execute" par ordrc du Roi pendant les anne"es 1826-1829, etc. Zoologie, par MM. Quoy et Gaimard, Paris, 1832. Chall. Rep. Challenger Reports, Cephalopoda, Vol. XVI, by W. E. Hoyle ; Gastropoda and Scaphopoda, Vol. XV, by R. Boog Watson ; Pelecypoda, Vol. XII, by E. A. Smith. U. S. Expl. Exped., or Expl. Exped. United States Exploring Expedition, etc. Vol. XII, Mollusca and Shells, by Augustus A. Gould. Boston, 1852. Otia. Otia Conchologica ; Descriptions of Shells and Mollusks, from 1839 to 1862, by Augustus A. Gould, M. D. Boston, 1862. Zool. Samarang or Voy. Samarang. The Zoology of the Voyage of H. M. S. Samarang, etc. Mollusca by Arthur Adams and Lovell Reeve. London, 1848. CEPHALOPODA. ABGONAUTIDJE. Argonauta argo Linng. Several specimens collected by Stearns, Tokyo, etc. Argonauta hians Solander (-f- gondola and owenii Ads. & Rve., Zool. Samarang) Both the earless and eared forms collected by Mr. Stearns, Kishu coast and Inland Sea. Argonauta boettgeri Malzan. J. de Conch., 1881, p. 163, pi. 6, f. 7. A single specimen collected by Mr. Stearns agrees well with the description and figures of this species, but is slightly less compressed. Its habitat has not been known hitherto. OCTOPODIDJE. Octopus vulgaris Lam. Nagasaki (App.). Octopus membranaceus Q. & G. Astrol., pi. 6, f. 5. Japan. Octopus globosus Appellof. Jap. Ceph., p. 7, pi. 1, f. 4, 5. Nagasaki (App.). Octopus macropus Risso. Chall. Rep., Vol. Ifi, p. 95. Yokohama (Chall.). Octopus ouvieri d'Orb. Appellof, Japanska Ceph., pi. 1, f. 6; Orb., Hiet. Nat. Ceph., p. 18, pi. 1, 27. Nagasaki (App.) ; compare 0. macropus. Octopus ocellatus Gray. Jap. Ceph., p. 8, pi. 1, f. 1-3. Nagasaki (App.). Octopus fang-siao d'Orbigny. Ceph. Ace"t., p. 70. Japan. SEPIOLIDJE. Inioteuthis morsel Verrill. Jap. Ceph., p. 15, pi. 2, f. 15, 16 j pi. 3, f. 16, 19, 20, 23. Chall. Rep., p. 112. PI. XIV, figs. 1-9. Kobe and Tokyo Bay, 8-14 fms., mud (Chall.) ; Bay of Yedo (Verrill) ; Nagasaki (App.). 2 2 . . tc JAPANESE MOLLUSKS, CEPHALOPODA. Iniotbuthlt japoricTa.F^r; «#rW Man. Conch., I, p. 157. Promaohoteuthis megaptera Hoyle. Chall. Rep., Vol. 16, p. 120, pi. 14, figs. 10- 14. Wood cut 3. S. Enoshiraa, 1875 fath.,blue mud (Challenger). SEPIIDJE. Sepia hercules Pilsbry. PI. 1. figs. 1, 2. The Nautilus, VII, p. 144, April 2, 1894. Shell having the general form of that of S. esculenta Hoyle but more convex ventrally ; chitinous margin narrow ; dorsal surface tuberculate-rugose as in esculenta, but more coarsely so, the posterior part having the tubercles very deeply separated, flat-topped, and leaning backward ; dorsal surface evenly rounded, with no trace of a median longitudinal rib. Ventral surface as in esculenta, but the striation is much closer although the shell is triple the size. Last loc- ulus has an index of 22. Inner cone well developed, its limbs aris- ing about one-third the length of the shell from the posterior end, gradually rising along the sides, posteriorly reflexed and appressed on the outer cone, leaving below a narrow small cavity. The ante- rior edge of the inner cone does not form a shelf across the posterior end of the outer cone as is the case in esculenta, and the cavity is much smaller, shallower and narrower than in a specimen of esculenta 155 mill, in length. Spine very stout, conical, its root excavated ventrally. Color, white in the middle, faint pink at the sides ; whit- ish beneath. Length 425 mill.; greatest breadth 160 mill.; length of spine 19 mill. This species is the giant of the genus.the shell being about 1 6 1 inches long. It is allied to S. esculenta Hoyle, but differs as above indicated. The dorsal slope does not descend abruptly to the spine as in that species. Of S. esculenta a good many specimens are before me col- lected by Mr. Stearns. They agree well with the " Challenger " specimens. The size of esculenta is moderately constant, shells seen by Hoyle, Appelloff and myself being from 155 to 163 mill, long (about 6J inches). A second specimen from the Luchu Is. exhibits the same char- acters throughout. Sepia esculenta Hoyle. Hoyle, Challenger Rep., xvi, p. 129, pi. 17, f. 1-5 : pi. 18, f. 1-61. Yokohama (Challenger ; Stearns). The specimens of the shell agree well with Hoyle's figures. JAPANESE MOLLU8KS, CEPHALOPODA. 3 Sepia andreanoides Hoyle. Hoyle, 1. c., p. 139, pi. 21, f. 11-19. Purchased in the market, Yokohama (Challenger) ; Ika Coast (Stearns). Sepia andreana Steenstrup. Steenstrup, Vidensk. Selsk. Skr., X, No. 7, pi. 1, f. 11- 19, 1875. Japan (Stp.). Sepia n. sp. A species of Rochebrune's section Doratosepion, allied to S. an- dreana Stp., S. andreanoides Hoyle and S. kobiensis Hoyle, but crimson above. Yeda coast (Stearns). Sepia peterseni Appellof. Jap. Ceph., p. 23, pi. 2, f. 1-6 ; pi. 3, f. 21. Sepia kobiensis Hoyle. Chall. Rep., Vol. 16, p. 142 ; pi. 18, figs. 7-14. Wood cut 7. Kobe Bay, 8 fath., mud. Sepia (Metasepia) tullbergi Appellof. Jap. Ceph., p. 26, pi. 2, f. 7-14. Nagasaki. Sepiella maindroni de Rochebrune. Chall. Rep., Vol. 16, p. 149, pi. 22, figs. 1-10. Inland Sea, Japan. LOLIGINIDJE. Sepioteuthis lessoniana Fer. Jap. Ceph., p. 31. Nagasaki. Sepioteuthis sinensis Orbigny. Japan. Loligo edulis Hoyle. Chall. Rep., Vol. 16, p. 152, pi. 23. Yokohama Market (Challenger). Loligo kobiensis Hoyle. Chall. Rep., Vol. 16, p. 154, pi. 25, figs. 1-10. Kobe Bay, 8 fath., mud (Challenger). Loligo japonica Steenstrup. Chall. Rep., Vol. 16, p. 157 ; pi. 24, figs. 7-15. Yokohama Market, (Challenger). Loligo bleekeri Keferstein. Jap. Ceph., p. 31, pi. 1, f. 7-10. Nagasaki. Loligo? sumatrensis d'Orbigny. Jap. Ceph., p. 32, pi. 1, f. 11; pi. 3, f. 11-15. Japan (App.). Loligo ? sp. Numerous very large "pens" measuring 31 cm. in length, and resembling those of Loligo were brought by Mr. Stearns from Yoko- hama. 4 JAPANESE MOLLU8K8, PTEROPODA. OMMASTREPHIDJE. Ommastrephes pacificus Steenstrup. Jap. Ceph., p. 35, pi. 3, f. 8-10. Japan (App.). Ommastrephes bartramii Lesueur. Japan (teste Mitsukuri & Ikeda). Seems a very doubtful identi- fication. Architeuthis n. sp.? Mitsukuri A Ikeda. The Zool. Mag., Tokyo, vii, p. 39, pi. 10. Bay of Tateyaraa, Prov. Awa, E. side Bay of Tokyo. Megateuthus martensii Hilgendorf. Sitzungsber. Ges. naturforsch. Fr. fieri., 1880, p. 65. Yedo (Hilg.). Todarodes pacificus Steenstrup. Chall. Rep., Vol. 16, p. 163, pi. 28, figs. 1-5. Inland Sea. TODARIDJE. Gonatus fabrioii (Lichtenstein) Steenstrup. ('hall. Rep., Vol. 16, p. 174, pi. . Japan. CRANCHIID2E. Loligopsis (1) chrysophalmus Tilesius. Man. Concb., p. 164. Japan. NAUTILID2E. Nautilus pompilius has been reported from Japan by Dunker, but its occurrence there is doubtful. PTEROPODA. As these mollusks are wholly pelagic in habits, the number occur- ing in Japanese waters will probably be larger than given below. For literature see Pelseneer, Report on Pteropoda coll. by Challen- ger. PTEROPODA GYMNOSOMATA. Several species of Pteropoda gymnosomata have been collected in the N. Pacific east of Japan, but we are still ignorant of the species which actually occur in Japanese waters. See Challenger Report, Vol. XIX, part Iviii, p. 65. PTEROPODA THECOSOMATA. LIMACINIDJE. Limacina inflata d'Orbigny. Corea Strait, (St. John). JAPANESE MOLLU3KS, PULMONATA. 5 Limacina lesueuri d'Orbigny. Pacific E. of Japan, Limacina bulimoides d'Orb. Same locality. "Agadina" stimpsoni A. Ad. (=!arval Gastropoda). Chall. Rep. Pter. Theo., p. 38, pi. 1, f. 11-14. Kino Osima (Ad.). " Agadina " gouldii A. Ad. Kino-Osima (Ad.). CAVOLINIIDJE. Creseis virgula Rang. Bay of Yedo. Creseis acicula Rang. China Sea, E. of Japan. Hyalocylix striata Rang. China Sea, off E. Japan. Styliola subula Q. & G. Off E. Japan. Clio pyramidata Linne. Off E. Japan. Clio cuspidata Bosc. Off E. Japan. Cuvierina columnella Rang. Off E. Japan. Cavolinia trispinosa Lesueur. Off Japan. Cavolinia quadridentata Lesueur. China Sea, off S.-E. Japan. Cavolinia globulosa Rang. China Sea. Cavolinia gibbosa Rang. Same locality. Cavoiinia tridentata Forskal. Same locality. Cavolinia uncinata Rang. Yedo. Cavolinia inflexa Lesueur. Corea Strait, Yokohama. PULMONATA. SIPHONARIIDJE. Siphonaria atra Quoy & Gaimard. Q. & G., Voy de 1'Astrol., pi. 25, figs. 41, 42. 8. cornuta Gld., U. S. Expl, Exped., pi. 357, fig. 467. S. coreensis Ads. A Rve., Zool. Samarang, pi. 13, f. la, Ib. Tokyo (Dkr.); Nagasaki (Lisclike). I have seen no Japanese specimens referable to this species. Per- haps the forms described by Gould and Adams and Reeve will prove distinct from the true S. atra. Siphonaria sirius Pilsbry. PI. VI, figs. 23, 24, 25, 26, 27, 28. Shell oblong, polygonal, low conical with subcentral, erect apex ; primary ribs all single, generally 7, strongly elevated and white ; inter- spaces wide, dark brown, radially finely ribbed. Interior brown- 6 JAPANESE MOLLU8KS, PULMONATA. black, the larger ribs indicated by white rays ; siphon occupying a sin- gle ribt never a double one. Cavity with a white callus (rarely chestnut colored), the region of the muscle impression bordered with chestnut stains. Length 22, breadth 1 7-19, alt. 5 mm. Sagami, and Kashiwazaki, Boshiu, Japan (Frederick Stearns !). This species differs from S. atra Q. & G., coreensis A. & R., and their allies in having the siphonal rib single and simple. It is prob- ably the species identified as S. atra by Dunker and other writers on Japanese shells. Several hundred specimens collected by Mr. Stearns agree in the characters above given. Not one shows any tendency to double the siphonal rib. Siphonaria cochleariformis Reeve. Conch. Icon., pi. 6, figs. 28 a, b. Koshinozaki, Boshiu (Stearns) ; Deshima (Dkr.); Nagasaki (Lischke). The specimens agree well with Reeve's figures, except that the entire interior is black-brown except for a narrow white border closely marked with dark at each rib interval. Siphonaria acmaeoides Pilsbry. PI. VI, figs. 19, 20, 21, 22. Shell oblong, nearly equilateral, but with excentric apex like S. radiata A. & R. (Zool. Samarang, pi. 13, fig. 2). The even surface hardly modified by the 9-16 low, wide ribs, between which it is very finely radially striated. Siphonal rib wide but low and inconspicu- ous. Apex spiral, bent down and appressed. Interior blackish or chestnut within the muscle impression, outside of which it is radially striped black and white, the siphonal channel extremely shallow and inconspicuous. Color outside whitish-buff, speckled and mac- ulated with brown, or whitish on the principal ribs, the intervals black-brown. Length 12|, breadth 9i, alt. 3£ mm. Prov. Boshiu, Japan (Frederick Stearns). This little species very closely resembles Acmcea Heroldi in the general form and the coloration of the interior. OPISTHOBRANCHIATA. ACTJEONIDJE. Solidula strigosa Gld. J. M. C., II, pi. 5, f. 12, 13. Loo Choo and Kagoshima (Stimp.) ; Nagasaki (Birileff) ; Tokyo Harbor (Stearns) ; Gozo Harbor, 6 fms. (St. John). Solidula fratercula Dkr. Index, p. 161, pi. 13, f. 21-23. Japan (Dkr.). JAPANESE MOLLUSKS, OPISTHOBRANCHIATA. 7 Actaeon siebaldi Rre. Man. Conch., XV, p. 148, pi. 19, f. 18, 19. Japan (Siebold). Leucotina dianae Ad. Man. Conch., XV, p. 167, pi. 18, f. 68, 69. Bay of Yedo (Lischke). Leucotina gigantea Dkr. Index, p. 160, pi. 2, f. 8, 9. Japan. Leucotina sulcata A. Ad. Man. Conch., XV, p. 168. Corea Strait, 46 fms. (Ad.). Leucotina niphonensis A. Ad. 16 miles of Mino-Shima, off Nippon, Strait of Corea, 63 fms. (Ad.). Leucotina exarata A. Ad. Man. Conch., xv, p. 168. Tabu-Shima, 25 fms. (Ad.). Leucotina inculpta A. Ad. Man. Conch., xv, p. 169. St. of Corea, 46 fms. (Ad.). Leucotina punctata A. Ad. Man. Conch., xv, p. 169. Tabu-Shima, 25 fms. (Ad.). Leucotina japonica A. Ad. Man. Conch., xv, p. 169. Strait of Corea, off Nippon (Ad.). Leucotina scitula A. Ad. Man. Conch., xv, p. 170. Off Mino-Shima, 63 fms. (Ad.). Bullina scabra Gmel. Man. Conch., xv, p, 176, pi. 45, f. 18-22. Nemoto, Boshiu (Stearns). TORNATINIDJE. Tornatina exilis Dkr. Moll. Jap., p. 25, pi. 2, f. 14. Deshima (Dkr.); Nagasaki (Lischke). Tornatina delicatula A. Ad. Man. Conch., xv, p. 190. Mino-Shima, 63 fms. (Ad.). Tornatina simplex A. Ad. Man. Conch., xv, p. 193, pi. 25, f. 51. Japan (Ad.). Tornatina gracilis A. Ad. Man. Conch., xv, p. 194, pi. 25, f. 49. Japan (A. Ad.). Tornatina fusiformis A. Ad. Man. Conch., xv, p. 194, pi, 22, f. 27. Japan (A. Ad.). Retusa succincta A. Ad. Man. Conch., xv, p. 222. Tsu-Shima, 16 fms. ; Awa-Shima, low water (Ad.). 8 JAPANESE MOLLUSKS, OPISTHOBRANCHIATA. Retusa (Pyrunculus) folliculus A. Ad. Man. Conch., xv, p. 270. Tabu-Shima, 25 fms. (Ad.). Betusa (Pyrunculus) phiala A. Ad. Man. Conch., xv, p. 230. Miiio-Shima, 63 fras. (Ad.). Retusa (Pyrunculus) elliptioa Ad. Man. Conch., xv, p. 231. Tsu-Shima, 16 fms. (A. Ad.). Volvula opalina, cylindrella, ovulina, A. Ad. Man. Conch., xv, p. 239, 240. Mino-Shima, 63 fms. (Ad.). Volvula speotabilis and radiola A. Ad. Man. Conch., xv, p. 240. Tabu-Shima, 25 fms. (A. Ad.). Volvula attenuata A. Ad. Man. Conch., xv, p. 240. Tsu-Shima, 26 fms. (A. Ad.). Volvula angustata A. Ad. Man. Conch., xv, p. 240. Eiidermo Harbor, 4-7 fms. (St. John). SCAPHANDRIDJE. Scaphander japonicus, cumingii. elongatus, A. Ad. .Man. Conch., xv, p. 254. Mino-Shima, 63 fms. (A. Ad.). Scaphander sulcatinus A. Ad. Man. Conch., xv, p. 254. Corea Strait, 46 fms. (Ad.). Scaphander sieboldi. dilatatus A. Ad. Man. Conch., xv, p. 255. Tsu-Shima, Japan, 26 fms. (Ad.). The unfigured Scaphanders described from Japan by Adams may, some of them, prove to be Philines. Smaragdinella sieboldi A. Ad. Man. Conch., xv, p. 260. Takano-Shima, between tide marks (Ad.). Atys naucum Linne. Man. Conch., xv, p. 263, pi. 28, f. 11-13, 16. Deshima (Dkr.). Atys scrohiculata A. Ad. Man. Conch., xv, p. 265. Tabu-Shima, 25 fms. (Ad.). Atys (Alicula) porcellana Gld. Man. Conch., xv, p. 268, pi. 28, f. 23 ; Ann. Mag., 1875, xvi, p. 114. Kagoshima Bay (Stimp.), Matoza Harbor (St. John). Atys (Alicula) secalina and volvulina A. Ad. Man. Conch., xv, p. 269, 270. Tsu-Shima, Japan, 25 fms. (Ad.). JAPANESE MOLLUSKS, OPISTHOBRANCHIATA. 9 Atys (Roxania) punctulata A. Ad. Man. Conch., xv, p. 279. Mino-Shiraa 63 fms. (Ad.). Cylichna semisulcata Dunker. Index, p. 163, pi. 13, f. 7-9. Japan. Cyliohna japonica and rimata A. Ad. Man. Conch., xv, p. 304, 305. Corea Strait, 46 fms. (Ad.). Cylichna proxima, lepidula, parallela, pumila, candidula A. Ad. Man. Conch., xv, pp. 304-307. Tsu-Shima, 26 fms. (Ad.). Cylichna venustula, consobrina, assimilis, inedita A. Ad. Man. Conch., xv, pp. 304-307. Mino-Shima, 63 fms. (Ad.). Cylichna latiuscula A. Ad. Man. Conch., xv, p. 305. Tabu-Shi ma, 25 fms. (Ad.). Cylichna pertenuis Smith. Man. Conch., xv, p. 307. N. lat. 42° 52', E. long. 144° 40', 48 fms. (St. John). Cylichna laeta Gld. Man. Conch., xv, p. 308. Kagoshima (Stimp.). Cylichna consobrina Gld. Man. Conch., xv, p. 308. W. coast of Yesso. Cylichna concinna A. Ad. Thes., p. 593, pi. 125, f. 142. Matoza Harbor, 6 fms. (St. John). PHILINIDJE. Philina scalpta A. Adams. Lischke, J. M. C., Ill, p. 76, pi. 5, f. 15, 16. Bay of Yedo (Lischke) ; Tsu Shima (Ad.). Philine japonica Lischke. J. M. C., Ill, p. 77, pi. 5, f. 13, 14 (P. striatella Tap.- Can., Viag. Magenta, pi. 2, f. 9). Bay of Yedo (Lischke) Yokohama (Tap.-Can.). Specimens col- lected by Stearns show japonica and striatella to be identical. Philine crenata and striolata A. Ad. Ann. Mag., 1862, ix, p. 160, 161. Tsu-Shima (Ad.). Philine argentata Gld. Otia Conch., p. 111. Hakodate Bay (Stimpson), 2-6 fath., sandy mud. Philine (Laona) zonata A. Ad. Ann. Mag. N. H., 1865, p. 324. O Shima ; Yobuko (Ad.). 10 JAPANESE MOLLU8K8, OPISTHOBRANCHIATA. BULLIDJE. Bulla (vernicosa var. ?) ovulum (Old.) Sowb. Man. Conch., xv, p. 349. Boshiu ; Luchu Is. (Stearns). AKERID2E. Haminea angusta Gld. Man. Conch., xv, p. 361. Simoda (Stimp.). Haminea strigosa A. Ad. Man. Conch., xv, p. 362. Tabu-Shima, 25 fms. (Ad.). Haminea grisea Smith. Man. Conch., xv, p. 362. Off Japan. Lat. 42° 52' N. ; Long. 144° 4(y E. ; 48 fath. ; sand and mud (St. John). Haminea cymbalum Q. & 6. Lischke, J. M. C., p. 105. Nagasaki (Lischke). Haminea constricta A. Ad. Man. Conch., xv, p. 370. Japan (Schrenck). HYDATINIDJE. Hydatina physig Linn£. Man. Conch., xv, p. 387, pi. 45, f. 14-17. Yedo (Lischke) ; Inland Sea (Stearns). Hydatina alhooinota Hoeven. Man. Conch., xv, p. 388, pi. 45, f. 29, 30. Nagasaki (Birileff). Hydatina inflata Dunker. Index, p. 162, pi. 2, f. 14-16. Inland Sea at AVakayama. BINGICTJLIDJE. Ringicula doliaris Gld. Man. Conch., xv, p. 403. Hakodate Bay (Stimp.). ; Kamakura (Stearns). Ringicula arctata Gld. Man. Conch., xv, p. 403, pi. 47, f. 74, 75, 79. Nagasaki (Birileff); Tokyo Harbor (Stearns). Eingiouia oelertiana Morlet. Journ. de Conchyl., 1880, p. 156, pi. 5, f. 4. Japan (St. John). APLYSIIDJE. Aplysia marginata and marmorea A. Ad. Ann. Mag., 1861, p. 140. Port Hamilton (Ad.). Will probably occur in Japan. Dolabella scapula Mart. Dkr., Index, p. 168. Wakayama (Dkr.). JAPANESE MOLLUSKS, TEREBRID^. 11 Pliyllaplysia punctulata Tapperone-Canefri. Yiag. Magenta, p. 112, pi. 2, f. 3. Yokohama. TJMBRELLIDJE. Umbrella indica Linne. Dkr., Index, p. 169. Japan (Dkr.). Bertinia bertinia Jouss. Bull. Soc. Zool. Fr., 1883, p. 194, pi. 10, figs. 6, 8. Japan. [NUDIBRANCHIATA omitted]. PROSOBRANCHIATA. ( Toxoglossa). TEREBRIDJE. Terebra albozonata Smith. Smith, P. Z. S., 1879, p. 185, pi. 19, f. 5. Matoza Harbor (Smith) ; N. of Kiushiu (St. John). Terebra adamsii Smith. Ann. Mag., 1875, p. 415. Matoza Harbor, 6 fathoms. Terebra (Myurella) bathyrhaphe Smith. Ann. Mag., 1875, p. 415; Challenger Gastrop., 1873-6, XV, p. 377, pi. XIV, fig. 9. Gulf of Yedo 6 to 25 fathoms, soft mud and sand. Terebra bifrons Hinds. Thes. Conch. I, p. 174, pi. 43, f. 57 (a small or young speci- men. S.-E. coast Prov. Kii (Stearns). Terebra bipartita Gld. Otia Conch., p. 126. Hakodate Bay (Stimpson). Terebra duplicata Linne. Conch. Icon., f. 3. Inland Sea (Stearns). Terebra cingulifera Lam. Southeast coast Kii (Stearns). Terebra dussumieri Kiener. Rve., C. Icon., f. 7. Kamakura (Stearns, young) ; Nagasaki (Lischke). Terebra evoluta Deshayes. Rvc., Conch. Icon., XII, f. 55. Smith, P. Z. S., 1879, p. 183. Ukushima, Goto Is., Matoza Harbor, (St. John); E. coast (Stearns). Terebra flammea Lam. Rve., C. Icon., f. 13. Japan (Dkr.). Terebra fulgurata Phil. C. Icon., f. 151. Tartary Strait (Schrenck). 12 JAPANESE MOLLU8K8, TEREBRIDJE. Terebra gotoensis E. A. Smith. Smith, P. Z. S., 1879, p. 183, pi. 19, f. 1. Goto Is. (St. John). Terebra jeffreyii E. A. Smith. Smith, 1. c., p. 184, pi. 19, f. 2. East of Kii, and between S.-W. Nippon and Shikoku (St. John) Terebra japonica Smith. Ann. Mag., 1875, p. 415. Matoza Harbor 6 fathoms, sand. Terebra lischkeana Dkr. Dkr., Index, p. 71, pi. 5, f. 13-16. Kamakura ; Idzu (Stearns). Terebra loebbeckiana Dkr. Index, p. 72, pi. 5, f. 17, 18. Inland Sea (Stearns). Terebra maculata Linne. Tryon, Man., Vol. VII, p. 9, pi. I, figs. 9-10. Japan? (Dunker). One specimen found by Stearns. Terebra muscaria Lamarck. Man. Vol. VII, p. 9, pi. 1, fig. 12. Japan (Duuker, Stearns); Nagasaki (Lischke, Tryon). Terebra melanacme Smith. Ann. Mag., 1875, p. 415. CapeShima 18 fathoms, sand. Terebra pretiosa Rve. C. loon., f. 30a. Japan (Dkr.)' Terebra pustulosa Smith. Smith, P. Z. S. 1879, p. 186. T. granulosa Smith, Ann. Mag., 1873, XI, p. 268. Japan (A. Ad.). Terebra (Myurella) polygyrata Deshayes. Ann. Mag., 1875, p. 415. Conch. Icon., XII, sp. 146. Goza Harbor (St. John); Kamukura; Idzu; Kishiu ; Tokyo Harbor (Stearns). Terebra serotina Ads. A Rve. Ads. A Rve., Zool. Samarang, p. 30, pi. 10, f. 20. Nagasaki (Ad.) ; Kishiu, Idzu (Stearns). In my opinion the T. mariesi Smith, P. Z. S., 1880, pi. 48, f. 5, is a synonym. Terebra stearnsii Pilsbry. Proc. Acad. Nat. Sci., Phila., 1891, p. 472, pi. 19, f. 5. Japan (Stearns). Terebra strigillata Linn. Sowb., Thes. I, pi. 45, f. 122. Nemoto, Boshiu, and Kamakura (Stearns) ; Nagasaki (Lischke). Terebra subtextilis E. A. Smith. Sm., P. Z. S., 1879, p. 185, pi. 19, f. 3. Idzu and Kishiu ^(Stearns) ; Shikoku (St. John). JAPANESE MOLLUSK8, CONID^E. 13 Terebra subulata Linn. Nagasaki (Lischke) ; Japan (Stearns). Terebra tantilla E. A. Smith. Smith, P. Z. S., 1879, p. 185, pi. 19, f. 4. (-f T. pum- ilio Sm., Ann. Mag. 1873, xi, p. 269). Between Nippon and Shikoku (St. John). Terebra textilis Hinds. Hinds, Voy. Sulphur, p. 34; Rve., Conch. Icon., f. 130. E. coast of Kii (St. John) ; Southern Japan. Terebra torquata Adams . Handa, Boshiu (Stearns) ; Nagasaki (Lischke) ; Tango Coast (Gaines) ; Matoza Harb., 6 fath. (St. John). Clava turrita Sby. Ann. Mag., 1875, Vol. XVI, p. 106 ; Man. Conch. IX, p. 147. Ooshima, 8 fath. (St. John). Clava pfefferi Dunker. Index, p. 108, pi. 4, f. 12-14. Japan (Dkr.). Tryon considers this a synonym of C. turritwn. Clava asper Linn. Japan (Stearns). Clava vertagus Linn. Japan (Stearns). Bittium pusillum Dkr. Moll. Jap., p. 11, pi. 2, f. 6. Deshima (Dkr.). JAPANESE MOLLUSKS, CERITHIOPSID^E. 57 Bittium scalatum Dkr. Index, p. 108. Japan (Dkr.). Bittium oosimense Watson. Challenger Gastrop. XV, p. 548, pi. XXXIX, f. 1. Ooshima (Chall.). Must be somewhat like the preceding. Potamides (Telescopium) telesoopium Linne. Japan (Stearns, one poor specimen). Potamides (Tympanotonos) fluviatilis P. & M. Nagasaki (Lischke) ; Japan (Stearns). Potamides (Batillaria) zonalis Brug. Lischke., J. M. C., I, pi. 6, f. 15, 16. Tokyo Harbor (Stearns); Ooshima (St. John); Nagasaki (Lischke); Tokohama (Martens). The following forms are closely allied. Potamides (Batillaria) cumingi Crosse. Lampania cumingi Crosse, J. de C., 1862, p. 54, pi. 1, f. 10, 11 ; J. M. C., I, pi. 6, f. 11-14. Tokyo Harbor ; Banda, Boshiu (Stearns) ; Hakodate (Schrenck) Potamides (Batillaria) multiformis Lischke. J. M. C., I, pi. 6, f. 1-10. Tokyo Harbor (Stearns). The specimens correspond best with Lischke's figs. 7, 8, but are white-banded at suture. Potamides (Batillaria) aterrima Dkr. Index, p. 109, pi. 5, f. 7, 8. Japan (Dkr.). Hardly distinct from the preceding. In fact all the above forms of the P. zonalis group should probably be consid- ered varieties of that species. Mr. R. B. Newton has shown that Batillaria Bens, should replace Lampania Gray as a subgeneric name for these forms. CERITHIOPSIDJE. CeritMopsis subreticulata Dkr. Moll. Jap., p. 9, pi. 2, f. 10. Deshitna (Dkr.). CeritMopsis rosea A. Ad. Ann. Mag. N. H. (3), VII, 1861, p. 130. Tsu-Shima, 16 fms. (Ad.). CeritMopsis cerina, baculum, clavula A. Ad. Ibid. Mino-Shima, 63 fms. (Ad.). Cerithiopsis paxillus, pagodula A. Ad. t. c., p. 131. Corea Strait, 46 fms. (Ad.). Seila dextroversa Ad. & Rve. Zool. Samarang, p. 45, pi. 11, f. 31. Tsu-Shima, 16 fms.; Corea Strait, 46 fms. (Ad.). Seila cingulata A. Ad. Ann. Mag., VII, 1861, p. 131. Tsu-Shima, 16 fms. (Ad.). 58 JAPANESE MOLLU8K8, TRIFORID^E. TRIFORIDJE. Triforis fusca Dkr. Moll. Jap., pi. 2, f. 22. Kamakura, Tatagama, Boshiu, Tokyo Harbor (Stearns) ; Naga- saki (Lischke) ; Deshiraa (Nuhn); N. coast of Tango (Gaiues). Triforis violacea Q. & G. Astrol., pi. 55, f. 22, 23 ; Man. Conch. IX, p. 182. Deshima (Dkr.). Triforis granulata A. A R. Zool. Satnarang, pi. 11, f. 33a, b. Triforis exilis Dkr. Moll. Jap., p. 10, pi. 2, f. 9. Deshima (Dkr.). Triforis conspersus (A. Ad.) E. A. Smith. Ann. Mag.. 1875, Vol. XVI, p. 108. Cape Shima, 18 fath., sand (St. John). Triforis purpuratus n. ap. Shell purple; cylindric-fusiform, the lower three whorls of nearly equal diameter, those above tapering to form a long cone somewhat over one-third the shell's length. Whorls 10, those of the spire bearing three equal spiral series of rounded beads and a small smooth thread immediately above the suture; la^t whorl with four bead-series, the lower one nearly smooth, and on the base two smooth ribs with clathrate intervals. Aperture as in T. granulata A. & R.,. but tube very short, not closed. Alt. 5'4, diam. 1*8 mm. Kamakura (F. Stearns). Triforis (Viriola) corrugatus Hinds. Ann. Mag., 1875, Vol. XVI, p. 106. Cape Shima, 18 fathoms, sand (St. John). Not so stout a shell as the next species, judging by Singapore specimens before me. Triforis (Viriola) tricinota Dkr. (cingulata Dkr. not Ad.; dunkeri Jous«.) Moll. Jap., pi. 2, f. 1. Kamakura, Tatagama, Boshiu, Tokyo Harbor (Stearns); N. shore of Tango (Gaines). Dunker's figures of a young shell give but a poor idea of the adult of this fine species. The three names given above are all founded on the one original description of Dunker. PLANAXID-E. Flanaxis pyramidalis Gmel. Nagasaki (Lischke, J. M.C., II, p. 70). Planaxis suloatus Born. Ann. Mag., 1875, Vol. XVI, p. 104; Man. Conch. IX, p. 276. Shore at Ooshima (St. John). JAPANESE MOLLUSKS, VERMETID^E. 59 Planaxis cingulatus Gld. Otia Conch., p. 140. Ousima, under stones below water-mark (Stirnpson). TRICHOTROPIDJE. Trichotropis cedo-nulli A. Ad. Conch. Icon., Vol. 19, pi. 2, f. 7 a, b. Mino-Shima, 63 fms. ; Goto Is., 48 fms. (Adams). Trichotropis bicarinata Broderip & Sby. Conch. Icon., XIX, p!. 1. f. 2. Aniwa Bay, 17 fms. (Ad.). Trichotropis borealis Brod. & Sowb. Thes., Ill, p. 321, pi. 285, f. 1-3. Castle Point, Manchuria, 37 fms. (A. Ad.). Trichotropis inermis Hinds. Thes., Ill, p. 321, pi. 285, f. 14. Okosiri Island, 35 fms. (A. Ad.). Trichotropis insignis Middendorff. Mai. Rossica, II, p. 107, pi. 10, f. 7-9; Ann. Mag. N, H., 1875, XVI, p. 103. Akishi, 3 to 4 fath. (St. John) ; Aniwa Bay (Ad.). Trichotropsis unicarinata Brod. & Sowb. Conch. Icon.. XIX, pi. 2, f. 8. Yamada Harbor, 7 fms. (St. John). Trichotropis quadricarinata A. Ad. Conch. Icon., pi. 2, f. 9 a, b. Mino-Shima (A. Adams). Separatista separatista Dillwyn (S. chemnitzii A. Ad.). Dkr., Index, pi. 2, f. 1, 2. Nemoto, Bishiu (Stearns). VERMETID.K. Thylacodes imbricatus Dkr. Moll. Jap., p. 17, pi. 2, f. 18; J. M. C., I, p. 83. Yedo, Nagasaki (Lischke) : Deshima (Nuhn) ; Manchurian and and Japanese coasts (A. Ad.). Lives on stones. Thylacodes nodosorugosus Lischke. J. M. C., I, p. 84, pi. 5, f. 1-4. Ohosaka, on Tridacna squamosa (Lischke). Thylacodes medusae Pilsbry. Plates IV, and V. Proc. A. N. S., Phila., 1891, p. 471, pi. 17, 18. Saruga coast, on shells (Stearns). A large species, nearly always living in clusters, attached gener- ally to shells. The young form an irregular spiral, the whorls of which rest prone upon the base of attachment. As the tube increases in diameter it becomes carinated on the lower outer portion, or the part corresponding to the " shoulder " of the whorl in a regularly spiral gasteropod. At this stage the whorls become more laxly coiled, and when not too closely clustered, present the appearance of 60 JAPANESE MOLLUSKS, VERMETID^. such planorboid forms as T. masier Dh., T. atra Rouss, etc. This stage is shown in the cluster pictured on pi. IV. The subsequent growth is erect and but slightly spiral, the tube generally contracting slightly in diameter, and cylindrical in form. The sculpture consists of narrow longitudinal cords at rather wide intervals, the spaces being occupied by a variable number of threads, (usually three) of which the middle one is larger. Irregular growth-lines crennlate the longitudinals. This sculpture is normally develoj>ed upon all sides of the tube. Upon the latter part of the free portion it is often subobsolete. The aperture is circular in adult shells, at right angles to the tube, and white within. The external surface is of a pale brown tint. No internal septa were found in numerous broken spec- imens; and although the shells were apparently alive when collected, no opercula were preserved in them, the absence of this organ being one of the characteristics of Thylacodes. The dimensions may be seen in the figures, which are of natural size. The diameter of the tubes at the aperture averages 13 mm. The embryonic shell, at the time it becomes attached, isbulimiform, glossy and smooth ; lying upon its side. The first whorl formed after attachment takes place is perfectly planorboid, showing the nuclear shell in the center. This species differs from Vermetus imbricate Dkr. in lacking the imbricating growth-striie of that form. As figured by Dunker V. imbricatus is a planorboid form, like V. masier Dh., atra Rouss, etc., but it may possibly be an immature shell. T. medusce is apparently allied to V. polyphragmus Sassi, F. denti- Jerus Lam. and V. novce-hollandice Rouss, but it differs from them in having the sculpture developed over the whole circumference of the tube, not confined to its upper surface, or the part corresponding to the base of the shell in ordinary gasteropods, as it is in those spe- cies. Spiroglyphus planorbis Dkr. Moll. Jap., p. 18, pi. 2, f. 16 Deshima, on T. imbricatiis. (Dkr.). Siliquaria (Pyxipoma) laotea Linne". Man. Conch., VIII, p. 191, pi. 58, f. 26. Japan (Dkr.). Siliquaria (Agathirses) cumingii Morch. Man. Conch., VIII, p. 190, pi. 57, f. 19; pi. 58, f. 21. Nemoto, Boshiu (Stearns) ; Bay of Yedo (Lischke). JAPANESE MOLLUSKS, LITTORINID^. 61 Siliquaria (Agathirses) australis Quoy. Man. Conch., VIII, p. 189. Nemoto, Boshiu ; Tokyo Harbor (Stearns). Many small speci- mens. Vermetus tokyoensis n. sp. PI. I, figs. 9, 10, 11. Shell small, solitary, composed of numerous very slowly enlarging whorls, oval or round in section, entirely prone, forming an irregu- lar recumbent spiral, or an amorphous combination of spirals, all in contact, or the last free at the aperture ; nearly smooth, but showing in some places irregular concentric costulse or wrinkles; diameter of whorl at aperture 1J mm. Earlier whorls showing two strong, rather sharp parietal laminae, and a very slight colurnellar cord ; the section being rather dumb-bell shaped (fig. 10). Tokyo Harbor (Stearns). TUBRITELLIDJE. Turritella erosa Couthouy. Bost. Journ. N. H., II, 1839, p. 103, pi. 3, f. 1. Northern Japan (Schrenck). Turritella fascialis Mke. Ann. Mag., 1875, XVI, p. 107. Goza Harb., 6 fath., sandy mud (St. John). Turriteila gracillima Gld. Otia Conch., p. 140. Kagoshima Bay (Stimpson). Turritella bacillum Kiener. Japan (Stearns, one dead shell). Turritella oerea Reeve. C. Icon., pi. 6, f. 25. Nagasaki (Lischke). LITTORINIDJE. Littorina grandis Middendorff. Midd., Reise, p. 198, pi. 11, f. 4-10. Bay of Castries. Littorina brevicula Philippi. Conchyl. Cab., p. 100, pi. 14, f. 10, 11. Nagasaki and Hakodate (Lischke) ; Endermo (St. John). Littorina mandschurioa Schrenck. Reisen im Amurl., II, p. 333, pi. 14-20; L. souverbiana Crosse, J. de C., X, p. 53, pi. 1, f. 6, 7, and L. balteata Reeve, Icon., X, f. 71, a, b, are identical. Northern Japan. Littorina malaccana Phil. Abbild., Ill, p. 51, pi. 6, f. 17. Tokyo (Dkr.). Littorina exigua Dunker. Moll. Jap., p. 13, pi. 2, f. 13 ; Conchyl. Cab., p. 95, pL 13, f. 13-16. Hachijo-Shima (Satow) ; Nagasaki (Rein) ; Deshima (Nuhn) ; and Hakodate. 62 JAPANESE MOLLU8K8, LITTORINID^. Littorina sitchana Phil. Abbild., Ill, pi. 6, f. 13, 18. Coast of Prov. Kii (Stearns) ; Hakodate (Schrenck). Littorina subtenebrosa Midd. Reise, II, p. 202, pi. 11, f. 11, 12. Peninsula Segneka, Ochotch Sea. (Midd.). Littorina sinenais Phil. Abbild., Ill, pi. 6, f. 23. Nagasaki (Lischke). Littorina strigata Lischke. J. M. C., II, p. 73, pi. 5, f. 22. Nagasaki (Lischke). Littorina sieboldi Philippi. Abbild., Ill, pi. 6, f. 3. Japan Sea (Siebold). Littorina vidua. Otia Conch., p. 1 10. Oushiraa (Stimp.). Littorina (Hamus) granularU Gray. Challenger Gastrop., 1873-6, XV, p. 576. Ooshima. Fossarina piota A. Ad. P. Z. S., 1867, p. 312, pi. 19, f. 26. Tanabe, Oki-no-Shima (Ad.). Eohinella (1) tectiformis Watson. Challenger Gastrop., 1873-6, XV, p. 578 ; pi. XLIII, f. 1. Japan, 565 fathoms, green mud ; Lat. 34° T N., Long. 128° E. Eohinella ceoillei Philippi. (Littorina). Philippi, Zeitechr., 1851, p. 78. Liu-Kiu Is. (Largilliert). Eohinella oumingii Phil. Japan (Stearns, 300 specimens). Lacuna latifasciata Ad. Ann. Mag., 1863, p. 350. Kino-o-Shima (Ad.). Lacuna (Medoria) crassior Montg. Midd., Sib. Reise, pi. 10, f. 10. 11. ( L. gla- cialis Moll.). Japan (Dkr.). Lacuna (Medoria) turrita A. Ad. Ann. Mag., 1861, p. 305 ; 1863, p. 350- Rifunsiri (Ad.). Lacuna (Epheria) divaricata Fabr. Man. Conch., VIII, p. 286. Hakodate (Schrenck, as L. vincta). Lacuna (Epheria) decorata A. Ad. Ann. Mag., 1861, 304. Rifunsiri (Ad.). Lacuna (Epheria) inflata A. Ad. Rifunsiri (Ad.,?, c.). Lacuna (Epheria) carinifera Ad. P. Z. S., 1851, p. 225. Takauo-Shima (Ad.). JAPANESE MOLLUSKS, LITTORINID^E. 63 Lacuna (Epheria) lepidula Ad. Ann. Mag., 1863, XI, p. 350. Seto-Uchi, Akasi, 15 fms. (Ad.). Lacuna unicarinata E. A. Smith. Ann. Mag., 1875, Vol. XVI, p. 104. North Japan, on a littoral species of Sargassuin (St. John). Lacuna (Cithna) globosa A. Ad. P. Z. S., 1863, p. 113. Seto-Uchi, Harima Nado (Ad.). Lacuna (Cithna) spirata A. Ad. L- c., same localities. Lacuna oxytropis Pilsbry. PI. VIII, fig. 1. Shell acutely turbinate, rather thin, widely umbilicated, yellow- ish-brown, becoming olive on the spire ; surface covered with a thin epidermis, sculptured by slight fine growth-lines only. Spire elevated, acute ; whorls 4 £, convex, separated by deep sutures, the last whorl with an acute pinched peripheral keel, which becomes obsolete at aperture, but extends up the spire immediately above the sutures. Aperture half round, outer lip well curved, inner lip about straight, retracted in the middle, thin ; umbilicus rather large and deep, ex- cavated, brown, and rather roughly longitudinally striate within, bounded by a very acute keel. Alt. 6£, diam. 5 mm. ; apert. ob- lique alt. 4, width 3'7 mm. Tokyo Harbor (F. Stearns). Lacuna smithii Pilsbry. PI. VIII, fig. 2. Shell ovate, smooth, yellow, with white or white-edged apical whorls, and usually a white peripheral band ; surface marked by growth-lines and some irregular wrinkles. Spire elevated but ex- tremely obtuse; whorls 4, the latter 1? demarked from the preced- ing by a dark line, the earlier whorls forming a depressed-globose, low-spired embryonic shell. Last whorl keeled at periphery, the keel becoming obsolete toward the lip, not visible on the whorls of the spire. Aperture oblique-ovate, inner lip arcuate and retracted in the middle ; umbilicus moderate, pure white, deeply penetrating, surrounded by a very acute brown keel, excavated within. Alt. 5*6, diam. 4'2 mm. ; aperture, oblique alt. 3'6, width 2*5 mm. Tokyo Harbor (Stearns). A very obtuse shell, less transversely inflated than L. stenotomor- pha and with narrower umbilicus. This species is named in honor of Mr. E. A. Smith, whose contributions to our knowledge of Japan- ese shells have been of great extent and value. 64 JAPANESE MOLLU8K8, FOSSARID^E. Lacuna stenotomorpha Pilsbry. PI. VIII, fig. 3. Shell small, smooth, yellow, with a white band at periphery and another below the suture ; depressed, oblique, with large, open, ex- cavated white umbilicus. Spire low, last whorl very rapidly enlarg- ing, descending in front, rounded at periphery. Aperture ovate, oblique, small ; outer lip well curved, inner lip nearly straight. Umbilicus deep, encircled by an acute keel, excavated on its inner surface. Alt. 4, diam. 4 mm. ; aperture, oblique alt. 3, width 2 mm. Tokyo Harbor (Stearns). In this species the form approaches Stenotis laxata. The last whorl is marked off from those preceding by a dark line, probably indicating the end of the larval stage. This is visible in the two- other species herein described, but I do not notice it in the North Atlantic or Californian Lacunas. This feature may indicate a sect- ion or subgenus, which may be called Sublacuna. Lacuna (Stenotis) laxata A. Ad. Journ. de Conchy]., 1868, p. 54, pi. 4, f. 7. Idzuma-Nada, Inland Sea, 17 fms. ; Yobuko, W. coast of Kiushiu,. 14 fms. (Ad.). F088ARIDJE. Fossarus costatus Brocchi. Conch. Foss.Subap., p. 300, pi. 11, f. 11 ; Fossar japon- icw«A. Ad., Ann. Mag., 1861, p. 139. Kuro-Shima, Tsu-Shima (Ad.). Fossarus trochlearis A. Ad. P. Z. S., 1853, p. 187. O-Shima (Ad.). Fossarus fenestratus A. Ad. O-Shima (Ad.). Couthouya deoussata A. Ad. Ann. Mag., 1860, p. 410. Mino-Shima (Ad.). Couthouya reticulate A. Ad. P. Z. S., 1853, p. 186 (Fossar). Seto-Uchi, Uraga (Ad.). Couthouya striatula and C. plicifera A. Ad. Yobuko (Ad., I c.) Isapis lirate A. Ad. Ann. Mag., 1860, p. 120. Mino-Shima, Uraga (A. Ad.). Isapis conoidea A. Ad. Takano-Shima (Ad.). Conradia cingulifera A. Ad. Ann. Mag., 1860, p. 410. Mino-Shima, Uraga (Ad.). Conradia carinifera A. Ad. Mino-Shima, Goto (Ad., I. c.). Conradia clathrata A. Ad. Tsu-Shima, Goto (Ad.). JAPANESE MOLLUSKS, SOLARIID^E, ETC. 65 Conradia pulchella Ad. Ann. Mag., 1861, p. 307. Tsu-Shiraa, Goto (Ad.). Conradia doliaris Ad. Seto-Uchi (Ad., I c.). Conradia tornata A. Ad. Goto Is. (Ad., L c.). Gotoina sulcifera and pyrgula A. Ad. Goto Is. SOLABIIDJE. Solarium perspectivum Linne. Man. Conch IX, p. 8. Nagasaki (Lischke). Solarium maximum Phil. Japan (Stearns). Solarium quadriceps Hinds. Nagasaki (Lischke). Solarium cingulum Kiener. Hazaburo, Boshiu coast (Stearns). Solarium conulum var. japonicum P. & S. Hazaburo, Boshiu coast (Stearns). Shell similar in form to S. conulum Weink. ; dark purple-brown above and below, the peripheral (supra-sutural) and subperipheral cords white, closely articulated with orange-brown ; umbilical cord white. Alt. 8?, diam. 10 mm. ; sometimes larger. Torinia dorsuosa Hinds. Japan (Dkr.). RISSOELLIDJE. Eissoella omphalotropis, vesicalis, spiralis A. Ad. Ann. Mag., VI, 1860, p. 332, 333. Sado, 30 fms. (Ad.). Eissoella vitrina, hydrophana A. Ad. (Ibid). Tabu-Shima, 25 fms. Rissoella minima, mundula A. Ad. (Ibid}. Tsu-Shima, 26 fms. Eissoella turgidula A. Ad. (Ibid). Corea Strait, 46 fins. Eissoella fulgida A. Ad. Dkr., Index, p. 117. LITIOPIDJS. (See Ann. Mag. N. H., 1861, p. 143 ; 1862, p. 296). Alaba picta, felina, lucida A. Ad. Takano-Shima. Alaba leucosticta A. Ad. Tabu-Shima. Alaba cornea A. Ad. Awa-Shima, Takano-Shima. Alaba zebina, subangulata A. Ad. Tsu-Shima. Alaba imbricata, inflata A. Ad. 0-Shima. Diala varia A. Ad. Awa-Shima, Takano-Shima. Diala sulcifera Ad. 0-Shima, Tanabe. 5 66 JAPANESE MOLLUSKS, RISSOID^E. Diala tenuis E. A. Smith. Ann. Mag., 1875, Vol. XVI, p. 105. N. Japan, on a littoral species of Sargassum. Many specimens collected by Stearns have egg-capsules (?) on the shell, probably such as Smith mentions. The shells are larger than Smith's, length 6 mm. Diala simplex E. A. Smith. Ann. Mag., 1875, Vol. XVI, p. 105. Lat. 41° 12' N., Long. 140° 45' E., 43 fath. (St. John). KISSOIDJE. Bissoa (Goniostoma) pupaeformis A. Ad. Ann. Mag.. V, 1860, p. 411. Mino Shima, 63 fms. (A. Ad.). Bissoa (Onoba) mundula A. Ad. Ann. Mag., 1861, VIII, p. 136. Corea Strait, 63 fms. (Ad.). Bissoa (Onoba) elegantula A. Ad. (Ibid). Gulf of Pechili, 7 fms. Bissoa (Onoba) elegans A. Ad. Ann. Mag., XI, 1863, p. 348. Seto-Uchi, 17 fms. ; Yara, 9 fms. (Ad.). Bissoa (Onoba) procera A. Ad. (Ibid). Yura, 9 fms.; Mososeki, 7 fms. (Ad.). Bissoa (Onoba) mirifica A. Ad. (Ibid). Kino-o-Shima, Tunabe. Bissoa (Onoba) bella A. Ad. (Ibid). Yara, 9 fms. Bissoa (Onoba) spirata A. Ad. (Ibid). Mososeki, 7 fms. Bissoa (Onoba) patula A. Ad. (Ibid). Yobuko, W. coast of Kiusiu, 14 fms. Bissoa (Onoba) egregia A. Ad. (Ibid). Seto-Uchi, 17 fins.; Yobuko, 10 fms. Bissoa (Onoba) lucida A. Ad. (Ibid). 0-Shima. Bissoa (Onoba) annulata Dkr. Moll. Jap., p. 12, pi. 2, f. 12. Deshima. Bissoa (Onoba) ferruginea A. Ad. Dkr., Index, p. 120. Bissoa (Hyala) pumila A. Ad. Ann. Mag., 1870, VI, p. 123. Japan (Ad.). Bissoa (Hyala) glabrata (Phil.) Ad. Japan (Ad.). Bissoa (Betia) Candida A. Ad. Ann. Mag. (3), VIII, 1861, p. 136. Sado Island, 30 fms. (Ad.). Bissoa (Setia) tricincta, bifasciata Ad. Ibid. Awa-Shima, in shell-sand (A. Ad). Bissoa (Alvania) circinata A. Adams. Ann. Mag. (3), VIII, 1861, p. 137. Is. of Sado, 30 fms. (Ad.). Bissoa (Alvania) semicostata A. Ad. t. c., p. 137. Mino-Shinia, 63 fms. (Ad.). JAPANESE MOLLUSKS, RISSOID^. 67 Kissoa (Alvania) tiarula A. Ad. t. c., p. 137. Tabu-Shima, 25 fms. (Ad.). Rissoa (Alvania) ferruglnea A. Ad. t. c., p. 138. Hakodate Bay, 7 fms. (Ad.). Kissoa concinna A. Ad. Conch. Icon., XX, pi. I, f. 9. Tsu-Sbima, 26 fms, (Adams). Rissoa (Alvania) caelata, clathratula, mariella A. Adams. Ann. Mag. (3), VIII, p. 137, 138. Tsu-Shima, 16-25 fms. (Ad.). Eissoa (Alvania) pura Gld. Otia Conch., p. 146. Simoda (Stimpson). Rissoina costulata Dkr. Moll. Jap., p. 12. Deshima (Dkr.) ; Kamakura (Stearns). Rissoina plicatula Gould. Conchyl. Cab., p. 72, pi. 15b, f. 5. Benin Is. (Stiinpson). Rissoina (Rissolina) lyrata Gld. Otia Conch., p. 145. Oushima (Stimpson). Rissoina (Rissolina) monilifera Nevill. Moll. Ind. Mus., Calcutta, p. 79. Japan (A. Adams). Rissoina (Rissolina) canaliculata Schwartz v. Mohrenst. Fam. der Riss., p. 55, f. 18. Japan (Dkr.). Rissoina (Rissolina) subfuniculata Nev. Wcink., C. Cab., pi. 15b, f. 8. Kachiyama (Dunker). Rissoina (Microstelma) daedala A. Ad. (3), XI, 1863, p. 348. Goto Is., 48 fms. (A. Ad.). Rissoina (Phosinella) cancellata Phil. Man. Conch., IX, p. 381, Japan (Dkr.). Rissoina (Phosinella) sagraiana d'Orb. Moll. Cuba, II, p. 25, pi. 12, f. 4, 5. Deshima (Dkr.). Rissoina (Phosinella) nitida A. Ad. P. Z. S., 1851, p. 226. Japan (Dkr.). Rissoina (Zebinella) concinna A. Ad. Dkr., Index, p. 118. Japan (Dkr.). Rissoina (Zebinella) adamsiana Wkff. Conchyl. Cab., p. 67, pi. 15a, f. 4. Kachiyama, 25 fath., sand (Dkr.). 68 JAPANESE MOLLUSKS, RISSOID^E. Bissoina (Moerchiella) spirata Sowb. Man. Conch., p. 388. Rissoina (Moerchiella) striolata A. Ad. P. Z. S., 1851, p. 266. Japan (Dkr.). A synonym of It. spirata Sowb. according to Tryon. Rissoina (Moerchiella) japonica Wkff. Conchyl. Cab., p. 65, pi. 15a, f. 1. Japan (Weinkauff ; Nevill). Eissoina (Zebina) subulina Wkff. Conchyl. Cab., p. 66, pi. 15a, f. 3. Japan (A. Adams). Rissoina (Fyramidelloides) miranda A. Ad. Conchyl. Cab., p. 69, p). 15a, f. 8. Mino-Shima (A. Ad.). Rissoina (Stossichia) pseudoconcinna Nevill. Hand-List Moll. Ind. Mus., p. 98; Conchyl. Cab., p. 85, pi. 15a, f. 8. Japan (A. Ad.). Syn.: R. concinna Sowb. not Ad. Hydrobia plicosa E. A. Smith. Ann. Mag., 1875, Vol. XVT, p. 104. Auomori, 7 fathoms (St. John). Iravadia trochlearis Gould. Conchyl. Cab., p. 72, pi. 15b, f. 2. Deshima, Nagasaki (Nuhn). Fenella pupoides A. Ad. Journ. de Conch., XVI, p. 47, pi. 4, f. 5. Takano-Shima, Tsu-Shima (Ad.). Fenella fusca A. Ad. Ann. Mag., 1860, p. 119. (Dunkeria). Tabu-Shima, Sea of Japan, 25 fathoms (Ad.). Fenella scabra A. Ad. Ann. Mag., VI, 1860, p. 421. (Dunkeria). Tsu-Shima, 16 fms. (Ad.). Fenella ferruginea A. Ad. Ibid. (Dunkeria). Sado, 30 fms. Fenella asperulata, pulchella A. Ad. Ann. Mag., VI, 18 60, p. 120 (Dunkeria). Mino-Shima, 63 fms. (Ad.). Fenella rufocincta A. Ad. Ann. Mag., VIII, 1861, p. 300. (Dunkeria). Moso-Seki, Takano-Shima (Ad.). Fenella reticulata A. Ad. Ann. Mag., VI, 1860, p. 422. ( Dunkeria). Awa-Shima, low water (Ad.). Fenella craticulata A. Ad. Mino-Shima, 63 fins. (Ad.). Putilla Incida A. Ad. Man. Conch., IX, p. 396, pi. 60, f. 85. Goto Is. (Ad.). JAPANESE MOLLUSKS, CAPULID^E, ETC. 69 Scaliola bella Ad. Journ. de Conch., XVI, p. 53, pi. 4, f. 6. OffTabu-Shima, 25 fms. ; Takauo-Shima, at Tatiyama (Ad.). Scaliola arenosa A. Ad. Ann. Mag., 1862, p. 421. O-Shima, Tanabe, Simoda (Ad.). Scaliola glareosa A. Ad. 1. c., p. 421. Tsu-Shima, Takano-Shima (Ad.). Scaliola gracilis A. Ad. Ibid. Goto Is. (Ad.). SKENEIDJE. Skenea cornuella A. Ad. Ann. Mag., 1860, V, p. 412. Off Mino-Shima, 63 fms. (Ad.). ASSIMINEIDJE. Assiminea japonica v. Marts. Jahrb. D. M. G., 1887, p. 182. Yokohama, brackish water. Assiminea castanea West. Yega-Exp. Vetenskap. lattag., IV, p. 210, pi. 5, f. 26. Yokohama (Vega Exp.). Assiminea atomaria Phil. Abbild., II, p. 136, pi. 2, f. 6 (Paludina). Japan (Nevill) ; Tokyo Harbor, Kamakura (Stearns). Assiminea cincta A. Ad. Jahrb. D. M. G., 1887, p. 169. Japan (Paetel). Assiminea subcornea Ner. Jahrb. D. M. G., 1887, p. 205. Japan ? (Nevill). Assiminea savatieri Mabille (Anculotus). Kamakura (Stearns). The radula resembles that of A. francesi, but the admedian teeth are not divided as TroschePs figure shows. CAPULID*;. Capulus badius Dkr. Index, p. 124, pi. 13, f. 15-17. Inland Sea (Dkr.). Capulus japonicus A. Ad. Ann. Mag. N. H., 1861, p. 168. Mino Shima (Ad.). Capulus (Capulacmsea) dilatatus A. Ad. Index, p. 124, pi. 12, f. 12-14 ; Ann. Mag., 1860, p. 422. Mino-Shima. Capulus (Capulacmaea) radiatus Sars. Man. Conch., VIII, p. 132, pi. 40, f. 86, 87 (Pilid. commodum Midd.) Capulus (Amathina) tricostata Gmel. Man. Conch., VIII, p. 133. Kobe, 8 fathoms, mud (Chall.). 70 JAPANESE MOLLUSKS, CAPULTD^E, ETC. Capulus (Amathina) angustata Souv. Japan (Dkr., Index, p. 125). Capulus (Amathina) nobilis A. Ad. P. Z. S., 1867, p. 312, pi. 19, f. 27. Saghalien I. Crepidula grandis Midd. Dkr., Index, p. 123, pi. 6, f. 1, 2. Akishi, 3 fath. (St. John) ; Kishiu (Stearns). Crepidula aculeata Qinel. Inland Sea, Kisbiu and Enoshima (Stearns) ; KobS, 8 to 50 fathoms (Challenger) ; Nagasaki (Lischke). Crepidula walchi Herrm. Calyptrsea plana Ads. A Rve. Zool. Samarang, pi. 11, f. 3. Japan (Stearns). Crepidula lamellosa A. Ad. Ann. Mag., 1862, p. 297. Goto Is. (A. Ad.). HIPPONICIDJE. Hipponyx pilosus Desh. Moll. Jap., p. 15; J. M. C., II, p. 78. Nagasaki (Lischke) ; Deshima (Nuhn) ; Yokohama (Martens). Hipponyx foliaceus Q. A, G. Zool. Astrol., Ill, p. 439, pi. 72, f. 41-45. Near Enoshima (Stearns). Hipponyx australis Q. & G. Man. Conch., VIII, p. 136. Deshima (Dkr.) ; Nagasaki (Lischke) ; near Enoshima, Awa coast (Stearns, abundant on Hallotis giganted)-, Hakodate (Schrenck) XENOPHOEIDJE. Xenophora exuta Reeve. C. Syst., II, pi. 225, f. 9, 10. Nagasaki (Lischke) ; E. Coast Nippon (Stearns). Xenophora pallidula Reeve. Jap. M.C., III, pi. 3, f. 1-3. Bay of Yedo (Lischke) ; E. Coast Nippon (Stearns). Xenophora solarioides Reeve. Zool. Samarang, p. 50, pi. 17, f. 6. Japan (Dkr.). VANIKORIDJE. Vanikoro canoellata Lam. Narica cancellata Dkr., Index, p. 126. Japan Sea (Dkr.). Vanikoro japonica n. sp. PI. I, figs. 5, 5. Shell globose, about as high as wide, solid, white ; spire convex, low ; whorls 3, rapidly increasing, the last sculptured with many subequal spiral cords as wide as their microscopically spirally striated intervals, decussated by growth-wrinkles ; but at its origin JAPANESE MOLLUSKS, NATICID^E. 71 showing three prominent keels. Young shells having three strong keels with latticed intervals, the pits oblong and very deep, base with two low spirals ; when a diam. of 5 or 6 mm. is reached the lattice becomes more superficial, the primary keels decrease and in- termediate lirse appear. Aperture large, outer lip forming a half- circle, columella less arched, moderately calloused ; umbilicus pene- trating to apex, but a mere perforation at all stages of growth ; nar- rowly but distinctly grooved behind the columellar lip. Alt. 16, diam. 16 mm. Chikewa, Boshiu (Stearns). The narrow vertical pits of the earlier whorls are peculiar, and very unlike the square pits of the young V. cancellata. The latter, moreover, is not tricarinate in the young state. Vanikoro scalarina Gld. Otia, p. 110. Loo Choo (Stimpson). NATICID.K. Natica taeniata Menke. Tryon, Man. Conch., VIII, pi. 4, f. 62, 64. Chikiwa, Boshiu (Stearns). Natica pellistigrina Chernn. Man. Conch,, VIII, p. 16, pi. 2, f. 33. Nagasaki (Lischke) ; Deshima (Dkr.). Natica colliei Reel. Ann. Mag., 1875, p. 427. Matoza Harb., 6 fath., sand (St. John). Natica concinna Dunker. Dkr., Moll. Jap., p. 14, pi. 2, f. 21 ; N. bicincta, Schrenck, Amurl. Moll., p. 377, pi. 17, f. 1-3. Deshima and Yedo (Dkr.) ; Hakodate (Schrenck) ; Japan (Stearns). Tryon considers concinna Dkr. and bicincta Sch. as synonyms of colliei Reel. There cannot be much doubt that the former two are specifically identical. Natica lurida Phil. Chikiwa, Boshiu (Stearns, typical specimens). Natica adamsiana Dkr. Dkr., Index, p. 61, pi. 13, f. 5, 6; Moll. Jap., p. 14, p'. 2, f. 20. Banda, Boshiu (Stearns) ; Deshima (Dkr.). Natica janthostoma Desh. Rve., C. Icon., pi. 18, f. 79. Banda, Boshiu (Stearns) ; Nemero, E. Yedo (St. John) ; Yedo, Hakodate (Lischke). 72 JAPANESE MOLLU8K8, NATICID^E. Natica clausa Brod. A Sowb. (/ affinia Gmel.). Shantar I. (Schrenck). Compare preceding and following forms. Natica operculata Jeffreys. P. Z. S., 1885, p. 34, pi. 4, f. 7, 7a. North Japan (St. John). Polinices1 melanostoma Ginel. Man. Conch. VIII, p. 50. Japan (Stearns). Polinices simiee Desh. Rve., Conch. Icon., pi. 17, f. 76 ; pi. 22, f. 98a, b (Good !) Polinices powisianus Recluz. Tryon, Man. Conch., VIII, p. 42; Dkr., Index, p. 62. Yokohama (Dkr.) ; Nagasaki (Lischke). Polinices powisianus v. draparnaudii Reel. Japan (Stearns). The single specimen secured by Mr. Stearns differs from N.powi- siana var. draparnaudii Reel, in having the spiral umbilical funicle very heavy and strong, much more filling the umbilicus, and the edge of the umbilicus is produced in a very strong spiral bounding rib. Polinices mamilla Linn. Man. Conch., VIII, p. 49. Nemoto, Boshiu (Stearns). Lischke reports the synonym or variety pyriformis Reel, from Bay of Yedo. Polinices (Lunatia) reiniana Dkr. Index, p. 62, pi. 4, f. -I :.. 16. Japan (Dkr.). Polinices (Lunatia) severa Old. Otia Conch., p. 109. Hakodate Bay (Stimpson). Compare Neverita reiniana Dkr. Polinices pallidus B. A S. Shantar I. (Schrenok). Polinices (Neverita) ampla Phil. Ph., Conch. Cab. ed. 2, pi. 6, f. 2; Tryon, Man- ual Conch., VIII, p. 32. Tokyo to Enoshima, Henda, Shibo, Boshiu (Stearns). The extensive synonymy of this magnificent Neverita has been ably discussed by Tryon. Amaura ( Acrybia) flava Gld. (aperta Lov6n). Midd., Reise I, p. 206, pi. 9, f. 1-3. Sigaretus inscnlptns Ads. & Rve. Zool. Samarang, p. 55, pi. 13, f. 10. Wakayama, Inland Sea (Dkr.). 1 Montfort, Conch. Syst., II, p. 222. This genus contains Naticas with cor- neous operculum, the term Natica being restricted to species with the opercu- lum shelly. The type of Polinices is Natica mamillaris Lam.: not N. mam- milla Linn, as Dall states ; Montfort's Polinices albus being identical with the former species. JAPANESE MOLLU8KS, ADEORBIID^E. 73 Sigaretus undulatus Lischke. Lischke, J. M. C., Ill, p. 54, pi. 3, f. 11-14. Yokohama (Stearns) ; Yedo (Lischke). Sigaretus japonicus Lischke. Jap. M. C., Ill, p. 55, pi. 3, f. 15-17. Yedo (Lischke). Sigaretus (Eunaticina) papilla Gmelin. Conchyl. Cab., p. 38, pi. 9, f. 4-6 ; pi. 10, f. 8. Yokohama (Steams) ; Bay of Yedo (Lisohke) ; Deshima (Nuhn). Velutina cryptospira Midd. Man. Conch. VIII, p. 67. Inland Sea (Stearns). ADEORBIIDJE. (For descriptions and figures see also Man. Conch. X, p. 83-87.) Adeorhis planus A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 4. Japan. Adeorbis depressus A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 6, a, b. Mino-Shima (Adams). Adeorbis orbellus A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 9. Mino-Shima (Adams). Adeorbis clausus A. Ad. Conch. Icon., Vol. 19, pi. 2, f. 14 a, b. Mino-Shima (Adams). Adeorbis japonicus A. Ad. Conch. Icon., Vol. 19, pi. 2, f. 11. Goto Is. (Adams). Adeorbis prominulus A. Ad. Conch. Icon., Vol. 19, pi. 2, f. 13. Mino-Shima (Adams). Adeorbis nanulus A. Ad. Conch. Icon., Vol. 19, pi. 2, f. 18. Mino-Shima (Adams). Adeorbis trochulus A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 8. Goto Is. (Adams). Adeorbis patruelis A. Ad, Conch. Icon., Vol. 19, pi. 2, f. 21 a, b. Mino-Shirna (Adams). Adeorbis subangulatus A. Ad. Conch. Icon., Vol. 19. pi. 2, f. 19. Goto Is. (Adams). Adeorbis oarinatus A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 10 a, b. Seto-Uchi (Adams). Archytaea suturale A. Ad. Conch. Icon., Vol. 19, (Adeorbis) pi. 2, f. 15 a, b. Tsu-Shima (Adams). 74 JAPANESE MOLLUSK8, TANTHINID^E. Archytsea corniculum A. Ad. Conch. Icon., Vol. 19, (Adeorbis) pi. 2, f. 16 n. b. Mino-Shima (Adams). Archytaea diaphanum A. Ad. Conch. Icon., Vol. 19, (Adeorbis) pi. 2, f. 20 a, b. Goto Is. (Adams). IANTHINIDJE. lanthina fragilis Lam. Bay of Yedo (Lischke). lanthina fragilis Lam. var. planispirata A. A R. Voy. Samarang Zool., pi. 11, f. 10. Japan (Stearns). lanthina balteata Reeve. Bay of Yedo (Lischke). lanthina exigua Lam. Tryon, Man. Conch., IX, pi. 10, f. 17. Japan (Stearns), lanthina globosa Swains. Tryon, Man. Conch., IX, pi. 10, f. 11-14. Japan (Stearns) ; Bay of Yedo (Lischke). Some specimens are pure white. 8CALIDJE. Soala pallasii Kiener. Thes., p. 83, pi. 32, f. 16; Corea Strait, 46 fms. (Ad.) ; Nagasaki (Lischke). Scala aculeata Sowb. The?., p. 86, f. 35-37. Tsu-Shima, 16 fms. (Ad.) ; Bay of Yedo (Lischke). Scala replicata Sowb. Thes., p. 84, f. 23, 24. Mino-Shima, 63 fms. (Ad.). Scala obliqua Sowb. Thes., p. 89, f. 69. Mino-Shima, 63 fms. (Ad.). Scala muricata Kiener. Thes., p. 86, f. 29, 31, 32. Mino-Shima, 63 fms. (Ad.). Scala pulcherrima Sowb. Thes., p. 97, f. 92. Mino-Shima, 63 fms. (Ad.). Scala lineolata Sowb. Thes., p. 91, f. 45, 46, 48. Scala trifasciata de Haan. Thes., f. 44. Tokyo Harbor, Yokohama (Stearns). Scala latefasciata Sowb. C. Icon., f. 11 7a. Tokyo Harbor (Stearns). Scala japonica Dkr. Moll. Jap., p. 13, pi. 1, f. 13. Deshima (Nuhn). JAPANESE MOLLUSKS, SCALID^E. 75 Scala angusta Dkr. Moll. Jap., p. 13, pi. 1, f. 11. Deshima (Nuhn). Scala lyra Sowb. Thes., p. 89, f. 38, 39, 81, 82. Bay of Yedo (Lischke). Scala aurita Sowb. Kamakura, Yokohama, Tokyo Harbor (Stearns). Scala immaculata Sowb. Japan (Dkr.). Scala acuminata Sowb. Thes., p. 106, f. 130. Bay of Yedo (Lischke). Scala rubrolineata Sowb. Thes., p. 91, f. 83, 84; Ad., Ann. Mag., 1861, p. 479. Mino-Shima, 63 fms. (Ad.). Scala turricula Sowb. (?). Corea Strait, 46 fms. (Ad.) ; Kamakura (Stearns). The specimens are probably not this West Indian species, but seem nearer it than anything else. Scala irregularis Sowb. Thes., p. 90, f. 40, 60. Mino-Shima, 63 fms. (Ad.). Scala trabeculata, fimbriata, optabilis, elegantula, spiralis, liliputana A. Ad. Ann. Mag., 1861, p. 480, 481. Mino-Shima, 63 fms. Scala praeclara A. Ad. Corea Strait, 46 fms. (Ad., I. c.). Scala eximia Ads. & Rve. Zool. Samarang, pi. 11, f. 16. Mino-Shima, 63 fms. (A. Ad.). Scala soluta A. Ad. Ann. Mag., 1862, p. 296. Port Lindsay (A. Ad.). Scala hexagona Sowb. Thes., p. 198. f. 67. Awa-Shima, in shell-sand (Ad.). Scala elenensis Sowb. Thes., p. 98, f. 102. Mino-Shima, 63 fins. (Ad.). Scala casta A. Ad. Man. Conch. IX, p. 67. Yokohama, Tokyo Harbor, Kamakura (Stearns). Scala pumila A. Ad. Conch. Icon., XIX, pi. 11, f. 79. Japan (Adams). Scala tenuilirata Sby. Conch. Icon., XIX, pi. 15, f. 118. Japan (Sby.). Scala (Amaea) magnifica Sowb. Thes. p. 102, f. 103. Mino-Shima, 63 fms. (Ad.). 76 JAPANESE MOLLU8KS, SCALID^K. Scala (Amaea) kieneri Canefri. (decussata Sowb., not Lam.; gowerbyi Dkr.) Thes., p. 103, f. 140. Mino-Shima, 63 fras. (Ad.). Scala (Amsea) immaoulata Sowb. Thes., p. 93, f. 58. Bay of Yedo (Lischke) ; Tokyo Harbor (Stearns). Scala (Cirsotrema) sulcata Sowb. Bay of Yedo (Lischke). Scala (Cirsotrema) bioarinata Sowb., crassilabmm Sowb., turbonilla A. Ad. Mino-Sbima, 63 fms. (Ad., Ann. Mag., 1861, VIII, p. 482, 483). Soala (Cirsotrema) suturalis Hinds., undulata Sowb. Corea Strait, 46 fms. (Ad.). Scala (Cirsotrema) cribraria A. Ad. Tsu-Shima, 26 fms. (A. Ad., Ann. Mag., 1861, p. 483). Scala (Constantia)elegans A. Ad. (S.jucunda Canefri) Mino-Shima, 63 fms. (Ad.). Scala (Constantia) tantilla A. Ad. Tabu-Shima (A. Ad.). Scala (Opalia) exquisita A. Ad. Ann. Mag., 1864, p. 310. Goto Is. Soala (Opalia) lamellosa Lam. Tryon, Man., IX, p. 74. Yokohama ; Kamakura (Stearns). I cannot distinguish these from Atlantic specimens. Scala (Opalia) oohtensis Midd. Sib. Reese, p!. 12, f. 12-14. Nichta Bay, Ochotch Sea. Crossea miranda A. Ad. J. de Conch., XVI, 1868, p. 55, pi. 4, f. 9. Goto Is. (Ad.). Crossea bellula A. Ad. L. c. p. 56, pi. 4, f. 10. Same locality. Eglisia cumingii A. Ad. P. Z. S., 1850, p. 204. Japan (Ad.). Aclis (lolaea) scitula A. Ad. Journ. de Conch., 1868, pi. 4, f. 3. Mino-Shima ; Seto-Uchi (Ad.). Aclis (lolaea) amabilis A. Ad. 0-Sima ; Tanabe ; Goto (Ad.). Aclis (lolaea) sculptilis A. Ad. Mino-Shima; Tobuko (Ad.). Aclis labiata, cingulata, lirata, sulcata A. Ad. Ann. Mag., 1860, p. 118. Off Mino-Shima, 63 fms. (Ad.). Aclis (Ebala) virginea, vestalis A. Ad. Off Mino-Shima, 63 fms. (Ad., J.c.p. 119). Aclis (Ebala) scintillans A. Ad. Sado (Ad., Ann. Mag., 1861, p. 43). Aclis crystallina, fulgida A. Ad. Tsu-Shima (Ad., Ann. Mag., 1861, p. 43). JAPANESE MOLLUSKS, EULIMID^E. 77 EULIMID.E. Eulima robusta A. Ad. Man. Conch., VIII, p. 271, pi. 68, f. 25. Mino-Shima, 63 fms. (Ad.) ; Kamakura (Stearns). Eulima mundula A. Ad. Man. Conch., VIII, p. 272, pi. 68, f. 26. Tsu-Shima, 16-26 fms. (Ad.). Eulima clavula, curvata. stylata, pinguicula, acicularis, flexa, valida, odon- toidea, chrysallida, debilis, indeflexa A. Adams. Ann. Mag. N. H., VII, 1861, p. 125-128. Mino-Shima, 63 fms. (Ad.). All unfigured and wretchedly de- scribed. Eulima pandata, dentaliopsis A. Ad. 1. c. Corea Strait, 46 fms. (Ad.). Eulima reclinata, stenostoma, semitorta, eburnea A. Ad., ;. c. Tabu-Shima, 25 fms. (Ad.). Eulima angulata, scitula A. Ad. I c. Tabu-Shima, 25 fms. (Ad.). Eulima carneola Grid. Otia Conch., p. 148. Oushima (Stimpson). Eulima cumingii Sowb. Man. Conch., VIII, p. 267. Tokyo Harbor (Stearns). Euiima (Leiostraca) vincta A. Ad. Man. Conch., VIII, p. 280, pi. 20, f. 77. Bingo-Nada ; Harima-Nada (Ad.). Eulima (Leiostraca) nivea A. Ad. Man. Conch., VIII, p. 281, pi. 20, f. 84. Tsu-Shima, 26 fms. ; Goto ; Mino-Shima (Ad.). Eulima (Leiostraca) pura A. Ad. Man. Conch., XIII, p. 281, pi. 20, f. 85. Tsu-Shima, 26 fms. ; Mino-Shima, 63 fms. ; Asaki and Mososeki, Seto-Uchi (Ad.). Eulima (Leiostraca) paxillus A. Ad. Man. Conch., VIII, p. 281, pi. 20, f. 86. Mino-Shima ; Goto, 63 fms. (Ad.). Sowerby makes Leiostraca clara A. Ad. a synonym. Eulima (Leiostraca) marise A. Ad. Man. Conch., VIII, p. 281, pi. 70, f. 87. Eulima (Leiostraca) turgidula A. Ad. Ann. Mag. (3), VII, p. 128, 1861. Tsu Shima, 16 fms.; Goto (Ad.). Eulima (Leiostraca) lanceata A. Ad. 1. c. Seto-Uchi; Mino-Shima; Goto (Ad.). Eulima (Leiostraca) mixa, leachii, spiculum, labiata A. Ad., 1. c. Mino-Shima, 63 fms. (Ad.). Eulima (Leiostraca) clavella A. Ad., I c. p. 129. Sado, 30 fms., on nullipore (Ad.). 78 JAPANESE MOLLUSKS, EULIMIDjE. Eulima (Leiostraca) nitida A. Ad., I. c. Okosiri, 25 fms. ; Yobuko. Eulima (Leiostraca) mindorensis Ads. & Rve. Zool. Sainarang, pi. 11, f. 25. Seto-Uchi (A. Ad.). Eulima (Leiostraca) hastata, subulina, picturata, bizona A. Ad. Journ. Linn. Sou., VII. p. 85, 87, 88. Goto, 48 fms. (A. Ad.). Eulima (Leiostraca) lepida A. Ad. Ibid, p. 85. Seto-Uchi ; Yobuko (A. Ad.). Eulima (Leiostraca) miranda, oberon, crystallina, pusio, nana, cigenda, inqui- nata, spreta A. Ad. Ibid, pp. 85, 86, 89, 90. .Yobuko (A. Ad.). Eulima (Leiostraca) metulina, ezigua, circinata, taeniata, tantilla A. Ad. Ibid, p. 86, 87, 88. Akasi, Seto-Uchi (A. Ad.). Eulima (Leiostraca) pistillum A. Ad. Ibid, p. 86. Harima-Nada, Seto-Uchi (A. Ad.) Eulima (Leiostraca) pusilla. pygmaea. cinctella, scitula A. Ad. Ibid, p. 86. Mososeki, Seto-Uchi (Ad.). Eulima (Leiostraca) ariel A. Ad. Ann. Mag., 1861. Bingo-Nada, Seto-Uchi (Ad.). Eulima (Leiostraoa) pumila, balteata, gracilenta A. Ad. Journ. Linn. Soc., VII, p. 87. Uraga. Eulima (Leiostraca) bilineata Ads. & Rve. Samamng, pi. 11, f. 24. Uraga ; Seto-Uchi (Ad.) ; Tokyo Harbor (Stearns) ; L. bivittata Ads., Genera. Eulima (Leiostraca) lentiginosa A. Ad. Dkr., Index, p. 90. O-Shima, Mososeki, Seto-Uchi. Eulima (Leiostraca) conspurcata A. Ad. Ibid, Takano-Shima (Ad.). Eulima (Leiostraca) bifascialis A. Ad. Ibid, p. 88. Bingo-Nada; Suwo-Nada (Ad.). Eulima (Leiostraca) interrupta A. Ad. Ibid, p. 89. O-Shirua (Ad.). Eulima (Leiostraca) crassula A. Ad. Ibid, p. 90. O Shima. JAPANESE MOLLUSKS, PYRAMIDELLID^E. 79 Eulima (Apicalia) gibba A. Ad. Ann. Mag., 1862, p. 295. Goto Is. Eulima (Muoronalia) bicincta A. Ad. Ann. Mag., 1860, p. 301. Mino-Shima, 63 fras. (Ad.). Eulima (Mucronalia) exilis A. Ad. Ann. Mag., 1862, p. 295. Mososeki, Seto-Uchi (Ad.). Eulima (Mucronalia) laotea A. Ad. Proc. Linn. Soc. Lond., VII, p. 91, 1864. Tanabe (A. Ad.). Eulima (Mucronalia) subula A. Ad. Proc. Linn. Soc. Lond., VII, 1864, p. 91. Simoda (Ad.). Eulima (Selma) succiniola A. Ad. Z, c. 0-Shima (Ad.). Eulima (Styliferina) orthochila A. Ad. Ann. Mag. N. H. (3), VI, p. 335. Tsu-Shima, on Asterias (A. Ad.). Eulima (Styliferina) gonochila A. Ad. Ibid. Mino-Shima, on Ophiura (A. Ad.). Eulima (Styliferina) lepida A. Ad. Ann. Mag., 1862, p. 299. Yobuko (Ad.). Amaurella japonica A. Ad. Man. Conch., VIII, p. 286, pi. 70, f. 16. Corea Strait. Originally described as Macrocheilus. Amaurella glabrata A. Ad. I c., f. 12 ; P. Z. S., 1867, p. 311. Takano-Shima, (Ad.). Amaurella semistriata A. Ad. t. c., p. 287, pi. 70, f. 17. Oki-no-Shima (Ad.). Niso interrupta Sowb. Thes., II, p. 801, pi. 170, f. 9. Mino-Shima, Siraonoseki (Ad.). Niso brunnea Sowb. Thes., II, p. 801, pi. 170, f. 13. Miiio-Shima (Dkr.). PYBAMIDELLID.K. The systematic values of the groups of this family are here given according to Try on and Fischer, but there are undoubtedly more genera. Most of the species enumerated below are not recognizably described. See for the figured ones, Tryon, Man. Conch, vol. VIII. Pyramidella pulchella A. Ad. Obeliscus. P. Z. S., 1862, p. 232 ; Thes., II, p. 807, pi. 171, f. 31, 32 j Ann. Mag., 1875, p. 427. Goza Harbor, 6 fath. (St. John) ; Mososeki (A. Ad.) ; Bay of Yedo (Lischke). 80 JAPANESE MOLLUSKS, PYRAMIDELLID^E. Pyramidella teres A. Ad. P. Z. S., 1862, p. 232 ; Th«a., II, p. 807, pi. 171, f. 31, 32. Mino Shima (Ad.). Pyramidella balteata A. Ad. P. Z. S., 1862, p. 232 ; Thes., pi. 171, f. 25. Yobuko, Uraga (Ad.). Pyramidella pusilla A. Ad. P. Z. S., 1862, p. 232; The«. II, pi. 171, f. 7. O Shima, Takanoshima (Ad.). Pyramidella eburnea A. Ad. P. Z. S., 1862, p. 232. O-Shiraa (Ad.). Pyramidella trifasciata A. Ad. P. Z. S., 1862, p. 232. Uraga, Mososaki (Ad.). Pyramidella vitrea A. Ad. (Syrnola, Obeliscm). P. Z. S., 1862, p. 232. Uraga, Tsu-Shima (A. Ad.). Pyramidella (Tiberia) nitidula Ad. P. Z. S., 1862, p. 232 ; Thes., pi. 171, f. 7. Mino-Shima, 63 fath., Oshima, 25 fath. (Ad.). Pyramidella (Otopleura) mitralis A. Ad. Tryon, Man. Conch., VII, p. 305. pi. 73, f. 94. Japan (Stearns). Pyramidella (Lonchaeus) sulcata A. Ad. Tryon, Man. Conch., VIII, p. 301, p1. 72, f. 79. Japan (Stearns). Pyramidella (Syrnola) solidula Dkr. Moll. Jap., p. 15, pi. 1, f. 5. Deshima (Dkr.) ; Kamakura (Stearns). Pyramidella (Syrnola) hyalina Dkr. t. c., pi. 1, f. 9. Deshima, (Dkr.) ; Kamakura (Stearns). Pyramidella (Syrnola) tenuisculpta Lischke. Jap. Metres-Conch., Ill, p. 58, pi. 3, f. 7, 8. Bay of Yedo (Lischke). Pyramidella (Syrnola ;> acioulata A. Ad. P. Z. S., p. 223, 1862; Man. Conch., VIII, p. 306, pi. 73, f. 10. Tauabe (Ad.). Pyramidella (Syrnola) bizonalis A. Ad. P. Z. S., 1862, p. 233. Miuo-Shima (Adams). Pyramidella (Syrnola) elegans A. [Ad. P. Z. S., 1862, p. 233; Man. Conch. VIII, p. 306, p. 73, f. 7. O-Shima, Seto-Uchi (Ad.). JAPANESE MOLLUSKS, PYRAMIDELLID^E. 81 Pyramidella (Syrnola) lactea A. Ad. P. Z. S., 1862, p. 234. O-Shima, Pyramidella (Syrnola) cinctella Ad. P. Z. S., 1862, p. 232 : Man. Conch. VIII, pi. 307, p. 73, f. 14; Ann. Mag., 1875, p. 427. O Shirna, Seto-Uchi (Ad.) ; Matoza Harbor, 6 fms ; sand, (St. John) ; Tokyo Harbor (Stearns). Pyramidella (Syrnola) brunea A. Ad P. Z. S., 1862, p. 233; Man. Conch., VIII, p. 306, pi. 73, f. 8. 9. O Shima (Ad.) ; Bishiu (Stearns). P.fulva Sowb. is a synonym. Pyramidella (Syrnola) buxea Gld. P. Z. S., 1862, p. 234. Takano-Shima (Stimp.). Pyramidella (Syrnola) columnella A. Ad. P. Z. S., 1862, p. 235. Seto-Uchi, Mososeki. Pyramidella (Syrnola) cylindrella A. Ad. P. Z. S., 1862, p. 234; Man. Conch., VIII, p. 307, pi. 73, f. 17. Takano-Shima (Ad.). Pyramidella (Syrnola) deedala A. Ad. P. Z. S., 1862, p. 235. Uraga. Pyramidella (Syrnola) gracillima A. Ad. P. Z. S., 1862, p. 233; Man. Conch., VIII, p. 307, pi. 73, f. 13. Mino-Shima, Uraga (Ad.). Pyramidella (Syrnola) mera A. Ad. P. Z. S., 1862, p. 232. Mino-Shima, O-Shima. Pyramidella (Syrnola) pistillum A. Ad. P. Z. S., 1862, p. 234. Yobuko (Ad.). Pyramidella (Syrnola) pupina A. Ad. P. Z. S., 1862, p. 233. Mososaki, Mino-Shima (Ad.). Pyramidella (Syrnola) serotina A. Ad. P. Z. S., 1862, p. 234; Man. Conch., VIII, p. 308, pi. 73, f. 21. Takano-Shima (Ad.). Pyramidella (Syrnola) striatula A. Ad. Thee., p. 812, pi. 171, f. 29. Seto-Uchi (Ad.). Pyramidella (Syrnola) subulina A, Ad. P.Z. S., 1862, p. 234; Man. Conch., VIII, p. 308, pi. 73, f. 23. Takano-Shima (Ad.). Pyramidella (Syrnola) teretiuscula A. Ad. P. Z. S., 1862, p. 233. Tsu-Shima, 15 fath. (Ad.). 6 82 JAPANESE MOLLUSKS, PYRAMIDELLID^. Pyramidella (Amathis) virgo A. Ad. Ann. Mag. N. H., 1861, VIII, p. 304. Corea Strait, 46 fms. (Ad.). Described as Myonia. Pyramidella (Amathls) producte A. Ad. (Odoatomia). Ann. Mag. N. H., VI, 1860, p. 416. Sado, 30 fms., Tabu-Shiraa, 25 fms. (Ad.). Pyramidella (Amathis) pellucida, eburnea, conoinna A. Ad. Ann. Mag., 1361, VIII, p. 304. Pyramidella (Oscilla) cingulata A. Ad. Ann. Mag. (3), VII, p. 296. Takano-Shima (Ad.). Described as Monoptygma. Pyramidella (Oscilla) annulate A. Ad. Man. Conch., VIII, p. 309, pi. 74, f. 28. Mososeki, Yobuko (Ad.). Pyramidella (Osoilla) sulcata Ad. Ann. Mag. N. H., 1860, p. 418. Tsu-Shima, Nososeki (A. Ad.). Described as Evalea. Pyramidella (Osoilla) lirata Ad. 1. c. Sato, 0-Shima Ad. Described « EoaUa. Pyramidella (Osoilla) oircinata A. Ad. P. Z. S., 1867, p. 311. O-Shima, Takano-Shima (Ad.). Pyramidella (Orina) pyramidalis Ad. (Syrnola). P. Z. S., 1862, p. 233. Tsu-Shima (Ad.). Pyramidella (Elusa) subulata A. Ad. P. Z. S., 1862, p. 237; Man. Conoh., VIII, p. 310, pi. 74, f. 30. O-Shima, 26 fms, (Ad.). Pyramidella (Elusa) oastanea A. Ad. P. Z. S., 1862, p. 237, O-Shima (Ad.). Pyramidella (Elusa) cinnamomea A. Ad. P. Z. S., 1862, p. 237. O-Shima (Ad.). Pyramidella (Elusa) hadia A. Ad. P. Z. S., 1862, p. 237. Takano-Shiraa (Ad.). Pyramidella (Elusa) gracilis A. Ad. P. Z. S., 1862, p. 237 ; Man. Conch., VIII, p. 310, pi. 74, f. 31. Yobuko (Ad.). Pyramidella (Elusa) strigulata A. Ad. P. Z. S., 1862, p. 237. Yobuko (Ad.). Pyramidella (Elusa) teres A. Ad. Pyramidella (Chrysallida) plicate A. Ad. Ann. Mag. N. H., V, 1860, p. 478, 479; 1861, p. 44. Mino-Shima, 63 fms., Goto, O-Shima (A. Ad.). JAPANESE MOLLUSKS, PYRAMIDELLID^E. 83 Pyramidella (Chrysallida) pupula, nana, terebra A. Ad. Ann. Mag. N. H. (3), VII, p. 44, 45. Tsu-Shima 16-26 fms. (A. Ad.). Pyramidella (Chrysallida) consobrina A. Ad. Ann. Mag. (3), VII, p. 44, 46. Awa Shima, in shell sand, Goto (A. Ad.). Pyramidella (Chrysallida) munda A. Ad. L c., p. 45. Corea Strait, 46 fms. (Ad.). Pyramidella (Chrysallida) filocinota A. Ad. Journ. Linn. Soc., 1864, VII, p. 2. O-Shima (Ad.). Pyramidella (Chrysallida) rufolineata, galbula A. Ad. Ibid, p. 3. Goto, 48 fms. (Ad.). Pyramidella (Chrysallida) erucella A. Ad. Ibid, p. 3. Seto-Uchi, O-Shima, Taka- no-Shima (Ad.). Pyramidella (Chrysallida) consimilis A. Ad. Ann. Mag. 1861, p. 44. O-Shima, Takano-Shima (A. Ad.). Pyramidella (Chrysallida) alveata A. Ad. Ann. Mag. 1861, p. 45. Tsu-Shima, 16-26 fms., Takano-Shima (Ad.). Pyramidella (Chrysallida) mumia A. Ad. Ann. Mag. 1861, p. 45. Goto, 48 fms. (Ad.). Pyramidella (Chrysallida) mundula A. Ad. Ann. Mag. (3), VII, p. 42. Sado Island, 30 fms., O-Shima (Ad.). Descr. as Parthenia. Pyramidella (Mormula) rissoina A. Ad. Journ. Linn. Soc., VII, p. 1, 1863. O-Shima, Takono-Shima (Ad.). Pyramidella (Styloptygma) cerea A. Ad. P. Z. S., 1862, p. 236. Takano-Shima (Ad.). Pyramidella (Styloptygma) gibba A. Ad. P. Z. S., 1862, p. 236. O-Shima, Tanabe (Ad.). Pyramidella (Styloptygma^ larvula A. Ad. P. Z. S., 1862, p. 236. O-Shima (Ad.). Pyramidella (Styloptygma) lendix A. Ad. P. Z. S., 1862, p. 236. Yobuko (Ad.). Pyramidella (Styloptygma) pupiformis A. Ad. P. Z. S., 1862, p. 235. Mino-Shima (Ad.). Pyramidella (Styloptygma) subuliformis A. Ad. P. Z. S., 1862, p. 236. Tsu-Shima (Ad.). Pyramidella (Styloptygma) taeniata A. Ad. P. Z. S., 1862, p. 235. Takano-Shima (Ad.). 84 JAPANESE MOLLU8K8, PYRAMIDELLID^E. Pyramidella (Acteopyramis) eximia Lischke. Jap. M. C., Ill, p. 59, pi. 3, f. 4-6. Yedo (Lischke) ; Kamakura (Stearns). Pyramidella (Acteopyramis) ccelatum A. Ad. Ann. Mag., VII, 1861, p. 303. Mino-Shima, 63 fms. (Ad.). Pyramidella (" Monoptygma ") acuminata Old. Otia Conch., p. 150. Oushima (Stimpson). Pyramidella (Mumiola) retioosa A. Ad. Journ. Linn. Soc., VII, p. 5. Seto-TJchi (Ad.). Pyramidella (Mumiola) tessellata A. Ad. Journ. Linn. Soc., 1863, VII, p. 6. Tanabe, O-Shima (Ad.). Pyramidella (Mumiola) spirata A. Ad. Then. Conch., pi. 172, f. 26, 27. O-Shima (Ad.). Described as Monoptygma. Odontostomla elata, japonioa, nana, pygmaea, oblonga, secalina, tenera, hya- Una A. Ad. Ann. Mag. (3), VII, p. 42. Mino-Shima, 63 fms. (A. Ad.). Odontostomia nivea. obesula, pupa, cana, ventricosa, goniostoma, vitrea A. Ad. Ann. Mag. (3), VI, p. 20, 21, 417. Corea Strait and Mino-Shima, 63 fms. (Ad.). Odontostomia subdiaphana, pruinosa A. Ad. /. e., p. 417. Okosiri, 35 fms. (Ad.). Odontostomia subangulata, achatinella A. Ad. /. c., p. 416, 417. Tsu-Shima, 26 fms. (Ad.). Odontostomia ovoidea A. Ad. t. c., p. 416. Awa-Shiina, at low water (Ad.). Odontostomia lactea Dkr. Moll. Jap., p. 17, pi. 2, f. 4. Deshima (Dkr.) ; Nagasaki (Lischke) ; Kamakura (Stearns). Odontostomia fasciata Dkr. Moll. Jap., p. 17, pi. 2, f. 2. Deshima (Dkr.) ; Nagasaki (Lischke). Odontostomia neglecta Ad. Ann. Mag. (3), VI, p. 417. Tabu-8hima, 25 fms. (Ad.). Odontostomia (Evalea) elegans, pyraxnis, arcuata A. Ad. Ann. Mag. (3), VI, p. 22. Mino-Shima, 63 fms. (Ad.). Odontostomia (Evalea) suloata A. Ad. Ann. Mag. (3), VI, p. 417. Tsu-shima, 16 fms. (Ad.). JAPANESE MOLLUSKS, PYRAMIDELLID^E. 85 Odontostomia (Evalea) lirata Ad. Ibid. Tabu-Shima, Sado (Ad.). Odontostomia (Auriculina) grayi, ovalis Ad. Ann. Mag. (3), VII, p. 42, 43. Mino-Shima, 63 fms. Odontostomia (Parthenia) spirata A. Ad. Mino-Shima (Ad.). Odontostomia (Parthenia) oostulata Dkr. Moll. Jap., p. 16, pi. 2, f. 15, Deshima. Odontostomia (Parthenia) foveolata A. Ad. Ann. Mag., 1860, V, p. 479. Mino-Shima (Ad.). Odontostomia (Parthenia) monocycla A. Ad. Ann. Mag., 1860, V, p. 479. Mino-Shiina, 63 fms., Goto, O-Shima, Tanabe (Ad.). Odontostomia (Parthenia) costellata, littoralis A. Ad. Ann. Mag. N. H., 1861, (3), VII, p. 42. Tsu-Shima, 26 fms. (Ad.). Odontostomia (Parthenia) punctigera A. Ad. Ann. Mag., 1861, VII, p. 42. Goto, Sado (A. Ad.). Odontostomia (Parthenia) semiplioata A. Ad. Ann. Mag., 1860, V, p. 478. (Chrysallida). Goto, O-Shima, Takano-Shima, Mino-Shima (A. Ad.). Odontostomia (Parthenia) pusio. Ibid, (3), VII, p. 45. (Chrysallida). Tsu-Shima, 16-26 fms., O-Shima (Ad.). Odontostomia (Parthenia) pagodula A. Ad. Journ. Linn. Soc., VII, p. 4 (Tur- bonilla monocycla Ad. Ann. Mag., 1860, p. 418). Mino-Shima, 63 fms., Taku-Shima, O-Shima (Ad). Odontostomia (Parthenia) cselata A. Ad. Journ. Linn. Soc., VII, p. 4. Seto-Uchi, Akasi, Tsu-Shima (Ad.). Odontostomia (Pyrgulina) casta A. Ad. Ann. Mag., 1861. Takano-Shima (Ad.). Described as Chrysallida. Odontostomia (Pyrgulina) minna A. Ad. Ann. Mag., V, 1860, p. 478. Mino-Shima, 63 fms, Goto (A. Ad.). Described as Chrysallida. Odontostomia (Pyrgulina) brenda A. Ad. Ibid. Takano-Shima, O-Shima (Ad.). Described a« Oirysallida. Odontostomia (Pyrguiina) elegantula A. Ad. Ibid. Mino-Shima, 63 fms., Seto- Uchi (Ad.). Described as Chrysallida. Odontostomia (Pyrgulina) pygmaea A. Ad. Ann. Mag., 1861. Mino-Shima, 63 fms., Goto (Ad.). Described as Chrysallida. 86 JAPANESE MOLLU8KS, PYRAMIDELLID.K. Odontogtomia (Pyrgulina) pulchella A. Ad. Ann. Mag., 1800. Goto, Mino-Shima, Seto-Uchi, Akasi (Ad.). Described as Chrysal- lida. Odontostomia (Pyrgulina) concinna A. Ad. Ann. Mag., 1860, p. 479. Mino-Shima, 63 fms. (Ad.). Odontostomia (Pyrgulina) miranda A. Ad. Ann. Mag., 1861. Yobuko (Ad.). Described as Chrysallida. Odontostomia (Pyrgulina) bellula A. Ad. Ann. Mag., 1861, p. 42. Tabu-Shima, 24 fms. (Ad.). Described as Parthenia. Odontostomia (Pyrgulina) fenestrata A. Ad. Ann. Mag., 1860, V. p. 479. Mino-Shima, 63 fms. (Ad.). Described as Parthenia. Odontostomia (Pyrgulina) pura A. Ad. Ann. Mag., (3), VII, p. 46. Awa-Shima, in shell sand, Takano Shima (Ad.). Described as Chrysallida. Odontostomia (Pyrgulina) tantilla A. Ad. Journ. Linn. Soc., VII, p. 5. O-Shima, Tanabe, Tak an o- Shima (A. Ad.). Odontostomia (Pyrgulina) deoussata A. Ad. Ibid. Goto, 48 fms. (Ad.). Odontostomia (Miralda) diadema A. Ad. Ann. Mag., 1860, V, p. 479. Mino-Shima, Seto-Uchi, Uraga (Ad.). Odontostomia (Miralda) mariella A. Ad. Ibid. Mino-Shima, Goto, Tsu-Shima, Seto-Uchi (Ad.). Odontostomia (Miralda) gemma A. Ad. Tsu-Shima, Seto-Uchi, Akasi (Ad.). Eulimella philippiana Dkr. Moll. Jap., p. 17, p.. 2, f. 8. Deshima (Dkr.) ; Kamakura (Stearns). Eulimella opaoa, pelluoens A. Ad. Ann. Mag. (3), VII, 1861, p. 46, 47. Mino-Shima, 63 fms. (Ad.). Eulimella opalina, vitrea A. Ad. Ibid. Tsu-Shima, 26 fms. (Ad.). Eulimella hyalina A. Ad. Ibid, p. 47. Sado, 30 fms. (A. Ad.). Eulimella (Stylopsis) typica A. Ad. Ann. Mag., V, 1860, p. 406. Corea. Eulimella (Stylopsis) suloata A. Ad. Ann. Mag., VIII, 1861, p. 241. Ochotsh Sea, 17 fms. (A. Ad.). Eulimella (Stylopsis) rufofasciata E. A. Smith. Ann. Mag., 1875, p. 103, Vol. XVI. JAPANESE MOLLUSKS, NERITID^E. 87 E. of Yedo, 48 fath., sand and mud ; a var. in Endermo Harb., 4 to 7 fath. (St. John). Menestho exarata A. Ad. Ann. Mag., VIII, 1861, p. 303. Hakodate Bay, 16 fms. (A. Ad.). Menestho sculptilis A. Ad. Ibid. Mino-Shima, 63 fins. (Ad.). Kleinella cancellaris A. Ad. Man. Conch., XV, p. 180; XVI, frontispiece, f. 6; Grossman, Essais de Paleoconch. Comparee, i, p. 44, f. 34. Strait of Corea, 63 fms. (Ad.). Kleinella sulcata A. Ad. Man. Conch., XV, p. 180. Suwonado Sea, 7 fms. (Ad.). Turhonilla fusca A. Ad. Man. Conch., VIII, p. 334, pi. 76, f. 46. Japan. Turhonilla varicosa Dkr. Moll. Jap., p. 15, pi. 2, f. 5. Deshima. Turbonilla philippiana Dkr. Ibid, p. 16, pi. 1, f. 12. Deshima. Turbonilla multigyrata Dkr. Index, p. 79, pi. 13, f. 18-20. Deshima. Turbonilla perfecta, nitida, oincta, munda, speciosa, debilis, modica, metulina A. Ad. Ann. Mag., VI, 1860, p. 418-420. Mino-Shima, 63 fms. (Ad.). Turbonilla commoda, sculptilis, fragilis, bicincta A. Ad. Ibid. Tsu-Shima, 16 fms. (A. Ad.). Turbonilla scaliola A. Ad. Ibid. Corea Strait, 46 fms. Turbonilla (Cingulina) cingulata Dkr. Moll. Jap., p. 16, pi. 1, f. 10. Deshima (Dkr.) ; Nagasaki (Lischke) ; Kamakura (Stearns). Turbonilla (Cingulina) circinata A. Ad. Ann. Mag. N. H., 1860, p. 414. Awa-Shima (Ad.). Turbonilla (Dunkeria) craticulata A. Ad. Ann. Mag. (3), VII, p. 46. • Mino-Shima, 63 fms. (A. Ad.). (Rhipidoglossa.) NEKITIDJE. Nerita polita Linne. Man. Conch., X, p. 30. Tartary Strait (Schrenck). Nerita albicilla L. Conchyl. Cab., p. 25, pi. 8, f. 1, 2, Man. Conch. X, p. 19. Nagasaki (Lischke) ; Deshima (Nuhn) ; Inland Sea (Stearns.) 88 JAPANESE MOLLUSKS, TURBINID^. Nerita planotpira Anton. Conchy 1.. Cab., p. 23, pi. 4, f. 4-7, Man. Conch., X, p. 21. Japan (Martens). Nerita pica Old. Otia Couch., p. 108; Mart., Conchyl. Cab., p. 106, pi. 12, f. 15-18; Smith, Ann. Mag., 1875, Vol. XVI, p. 107; N.japonica Dkr., Moll. Jap., p. 18, pi. 2, f. 23. Endermo (St. John) ; Simoda (Old) ; Nagasaki (Lischke) ; Ki- shiu (Stearns). Neritina sowerbiana Reel. Conchyl. Cab., p. 171, pi. 18, f. 1-4 and 10. Hakodate. Neritina retropiota Martens. Conchyl. Cab. p. 170, pi. 17, f. 18-20. Japan (Siebold). Neritina adspersa Recluz. Journ. de Conchyl., 1853, p. 319, pi. 7, f. 6. Tokyo (Dkr.). Neritina ualanensis Less. Conchy]. Cab., p. 193, pi. 20, f. 1-24. Nagasaki. Neritina orepidnlaria Lain. Man. Conch., X, p. 77. Yokohama (Martens) ; Tokyo Bay (Stearns). TURBINIDJE. Turbo marmoratus Linn£. Man. Conch., X, p. 191, pi. 41, f. 23. Nagasaki (Lischke) ; Sagarai Bay (Stearns). The animal of this Turbo is considered by the Japanese a great delicacy. It is first removed from the shell, cut into little squares like dice, replaced in the shell with a little soy, and cooked therein over a charcoal fire. (F. S.). Turbo petholatus, Linn.'. Man. Conch., X, p. 193. Inland Sea (Stearns). Turbo petholatus var. reevei Phil. Man. Conch., X, p. 194, pi. 40, f. 15, 16. Japan (Dkr., as T. variabilis Rve.). Turbo (Seneotus) argyrostomus var. margaritaceus Linne\ Man. Conch., X, p. 198, pi. 45, f. 100. Japan (Stearns). Turbo (Senectus) parvulus Phil. Man. Conch., X, p. 206, pi. 44, f. 73, 74. Japan (Stearns) ; Liu Kiu Is. (Phil. ; Stearns). Turbo (Batillus) cornutui Ginel. Man. Conch., X, p. 210, pi. 43, f. 50, 52. Tokyo Harbor (young specimens lacking spines, Stearns) ; Yedo, Nagasaki (Lischke) ; Hakodate, etc., (Schrenck). JAPANESE MOLLUSKS, TURBINID^E. 89 Turbo (Modelia) guttatus A. Adams. Man. Conch., X, p. 213, pi. 63, f. 39. Tatiyama (Ad.). Turbo (Marmorostoma) coronatus Gmbl. Ann. Mag., 1875, Vol. XVI, p. 108. Ooshima, on the shore (St. John) ; E. Coast Nippon (Stearns). Turbo (Marmorostoma) granulatus Gmel. Man. Conch., X, p. 217, pi. 46, f. 18. Nagasaki (Lischke). Turbo (Marmorostoma) coreensis Recluz. Man. Conch., X, p. 217, pi. 47, f. 19. Enoshima (Stearns). Usually regarded as an imperforate variety of the preceding. Astralium (Cyclocantha) hsematragus Mke. Man. Conch., X, p. 236, pi. 54, f. 57, 58. Tokyo, Nagasaki, etc. (Dkr.). A. rhodostoma Lara. (=petrosum Martyn) has been recorded by Dunker, but without exact locality. Its occurrence in Japanese waters is very doubtful. Astralium (Cyclocantha) heimburgi Dkr. Index, p. 130, pi. 6, f. 6, 7. Inland Sea of Japan (Dkr.). Astralium (Guildfordia) triumphans Phil. Man. Conch., X, p. 228, pi. 58, f. 67, 68. S.-E. coast Kii (Stearns). Astralium (Bolma) modestum Rve. Man. Conch., X, p. 229, pi. 55, f. 63, 64. Kii coast (Stearns) ; Nagasaki (Lischke). Astralium (Pachypoma) japonicum Dkr. See Pilsbry, Proc. Acad. Nat. Sci., Phila., 1891, p. 473, pi. 19, f. 6-8 (operculum). S.-E. coast Prov. Kii (Stearns) ; Kiushiu (Lischke). Upon seeing the unique type specimen of A. wardii Baker (Proc. Rochester Acad. Sci., I, p. 136, pi. 11, f. 1) I considered it a depressed individual of this species. A. japonicum is not a Pomaulax as has been supposed, but a true Pachypoma, which is quite a different thing. Mr. Stearns' largest specimen measures 160 mm. diameter. Leptothyra1 sangarensis Schrenck. Amurl. Moll., II, p. 363, pi. 16, f. 6-11. ( Turbo); Man. Conch., X, p. 250, pi. 64, f. 59. Sangar Strait (Maximowicz) ; Bay of Hakodate (Albrecht and Lindholm). 1 Synonyms of this generic name are as follows : — Turbo Auct. 90 JAPANESE MOLLU8K8, PHASIANELLlDvE. Collonia Auct non Gray. Leptonyx and Homalopoma Cpr. (prxoc. ). Cantraineia Jeffr. Anadema Ads. Petropoma Gabb. J. A. N. S., Phila-, VIII, p. 281. See Nautilus, VII, p. 84. L. sanguined Linn, has erroneously been recorded from Japan and West America. It is Mediterranean. Leptothyra amussitata Gld. Man. Conch., X, p. 250, pi. 55, f. 71, 72 ; Ann. Mag., 1875, Vol. XVI, p. 109. Endermo, 4-7 fathoms ; a variety from Yamado, 7 fathoms, sand (St. John). Leptothyra purpurascens Dkr. Index, p. 129, pi. 12, f. 1-3. Japan (Dkr.). Leptothyra rubra Dkr. Ind. Moll. Mar. Jap., p. 128, pi. 12, f. 7-9. Japan (Dkr.). Leptothyra transenna Watson. Challenger Gastrop. XV, p. 125, pi. VI, f. 12. Japan 565 fathoms. Leptothyra pilula Dkr. Moll. Jap., p. 19, pi. 3, f. 7. (Liotid). Cynisca japon- ica Ad. is a synonym. Corea Strait (Ad.). Leptothyra nooturna Gld. Otia Conch., p. 160 ; Ann. Mag., 1875, XVI, p/109. Simoda (Stimpsou) ; Lat. 41° 12' N., Long. 140° 45' E., 43 fatb., sand and mud ; variety from Yamada Harbor (St. John). PHASIANELLIDJE. Phasianella megastoma n. sp. PI. VIII, fig. 9. Shell imperforate, in shape like Ph. (Chromoti*) neritina but the spire longer and more pointed. Surface smooth, hardly shining ; either dotted closely and evenly all over with red on a pale huffish ground, or having several spiral girdles of white spots, and a sub- sutural series of white flames ; the apex yellow or whitish. Whorls 3$, very rapidly increasing, the last expanding toward the aperture. Aperture round-oval, very large, oblique; columella and parietal wall regularly arcuate, with a moderate deposit of callus. Opercu- lum white outside. Alt. 3*2, diam. 2'9 mill. Nemoto, Boshiu (Fr. Stearns). The extremely large aperture sufficiently characterizes this spe- cies. JAPANESE MOLLUSKS, DELPHINULID^E. 91 Phasianella oligomphala n. sp. PI. VIII, fig. 8. Shell ovate-turrited, smooth, hardly shining, perforated. Dotted in spiral order with red on a pale ground, often having in addition some girdles of white spots, and very oblique snow-white stripes descending from the suture. Whorls 4£, well rounded, the sutures deep, the apex subacute. Aperture round-ovate, about half the shell's length ; inner lip separated from the body by a long, narrow umbilical fissure, which is much reduced in some shells. Operculum white outside. Alt. 4'35, diam. 2'8 mm. Nemoto and Tokyo Harbor (Stearns). The color patterns of this little Tricolia are similar to those of the preceding species, but it is far slenderer than that, and perforated. Phasianella (Orthomesus) modesta Gld. PI. VI, figs. 29, 30. Pile., Man. Conch., X, p. 183. Loo Choo (Stimp.) ; Nemoto (Stearns) ; N. shore Prov. Tango (Gaines). It is not without some doubt that I identify these shells with Gould's unfigured species, but they agree with his short description as far as that goes. P. modesta gouldii n. var. PI. VI, fig. 31. Shell the shape of P. kochii Phil., clear red, showing under the lens dense microscopic redder spiral lines and toward the base some spaced red spirals with remote, white specks. Marked above the periphery with a few bold oblique stripes of snow-white ; a subsutural band mottled with blackish. This form occurs with the preceding, of which I consider it a variety. It is probably what Dunker lists as P. capensis. Dunker (Index, p. 127) reports Phasianella variegata, P.elongata and P. capensis from Japan, the last on Schrenck's authority. The first of these was perhaps Phasianella ( Orthomesus) modesta. The other two were incorrect identifications. The S. African species named are of the group of P. pulla, while the above Japanese forms belong to Orthomesus, as is shown by their spaced capillary lines. DELPHINULIDJE. Delphinula delphinula Linn. D. laciniata Lam., Man. Conch., X, p. 266. Japan (Stearns, No. 1,127) ; Nagasaki (Lischke, D. atrata). Several specimens of the typical form, and var. atrata Rve. 92 JAPANESE MOLLU8K8, TROCHID^J. Delphinula distorta Linn.'. Inland Sea (Stearns). Liotia semiclathratula Schrenck. Amur!. Moll., II, p. 370, pi. 16, f. 16-25; Ann. Mag., 1875, XVI, p. 110. Toba Harbor, 9 fms., sand (var. St. John); Sangar Strait (Schrenck) ; N. shore of Tango (Gaines). Liotia daedala A. Ad. P. Z. S., 1863, p. 72. Goto; Oshima (Ad.). Liotia tantilla A. Ad. P. Z. S., 1863, p. 72. Goto Is., 71 fms. (Ad.) Liotia armata A. Ad. Ann. Mag., Sept., 1861, p. 243. Corea Strait (Ad.). TROCHIDJE. Trochus niloticus Linn.'. Man. Conch., XI, p. 17. Nagasaki (Lischke). Trochus turris Philippi. T. aUus Phil., Conchyl. Cab., p. 217, pi. 32, f. 7, not T. altus Perry, 1811. T. turris Phil., Zeitsch. f. Mai., 1846, p. 102. Inland Sea (Dkr.). Dunker reports T. ( Cardinalia) virgatus Gmel. also from Japan, without more accurate locality. Its occurrence there is doubtful. Trochus (Teotus) obeliscus Gmel. Man. Conch., XI, p. 19, pi. 2, f. 13, 14. Deshima (Nuhn) ; Nagasaki (Lischke). Troohus (Lamprostoma) rubricatus Philippi. Phil., Conch., p. 213, pi. 31, f. 13; Pilsbry, Man. Conch.. XI, 32. Japanese Seas (Fischer) ; Japan (Stearns). This and the next two species are closely allied. Troohus (Lamprostoma) saoellum Philip]>i. ( '/'. stpengleri Gmel.). Phil., Conch. Cab., p. 309, pi. 44. f. 13; Pilsbry, Man. Com-h., XI, 34; T. spengleri Gmel.; Lischke, J. M. C.. p. 93. Nagasaki (Lischke). Trochus (Lamprostoma) rota Dunker. Dkr., Moll. Jap,, p. 21, pi. 3, f. 4; Lischke, Jap. Meeres-Conch., p. 94, pi. 6, f. 20, 21; Pils., Man. Conch., XI, p. 35 Polydonta gloriosum Gid., Otia, p. 158. Nagasaki (Lischke) ; Deshima (Nuhn, Dkr.) ; Ooshima (St. John). Without exact locality, Dunker reports T. maculatus from Japan. This reference needs confirmation. Three specimens of T. incras- satus were brought by Stearns, but it too was perhaps not native. Trochus (Infundibulum) chloromphalus A. Adams. Lischke, Jap. Meeres-Conch., p. 92, pi. 6, f. 17, 18. Pils., Man. Conch., XI, p. 38. Nagasaki (Lischke). Trochus (Lamprostoma) squarrosa Lam. Man. Conch., XI, p. 32, pi. 6, f. 60, 61. Nagasaki (Lischke, J, M. C., I, p. 92). JAPANESE MOLLUSKS, TROCHID^E. 93 Clanculus margaritarius Phil. Phil., Conch. Cab., p. 74, pi. 14, f. 4; Dkr., Index, p. 139. Japan (Van Nostrand). The Clanculus smithii Gray (=? 0. undatus Lm.), reported from Japan by A. Adams (before he had been there), may hardly be admitted without several grains of salt. Clanculus microdon A. Ad. Man. Conch., XI, p. 78. North shore of Tango (Gaines). Monodonta labio Linne. Pilsbry, Man. Conch., XI, p. 86, pi. 19, f. 95, 96 ; Lischke, J. M. C., I, p. 95. Nagasaki (Lischke); Deshima (Nuhn, Dkr.); Hakodate (Schrenck); Ooshirna (Chall.) ; Seta coast (Stearns). Dunker reports M. australis also, but without exact locality. Monodonta neritoides Philippi. Phil., Conch. Cab., p. 303, pi. 44, f. 4 j Pilsbry, Manual XI, p. 106 ; Proc. Acad. Nat. Sci., Phila, Southeast Kii coast (Stearns) ; Yokohama (Martens). Monodonta neritoides var. perplexa Pils. Pils., Man. Conch., XI, p. 107, pi. 35, f. 6-8. Japan. Monodonta (Oxystele) suavis Philippi. Pils., Man. Conch., XI, p. 117, pi. 23, f. 71-75 j 0. kceneni Dkr., Index, p. 142, pi. 12, f. 4-6. Japan (Dkr., Stearns). Chrysostoma paradoxum Born. Man. Conch., XI, p. 466. Mr. Stearns' specimen of this (No. 1186) may not be really Japan- ese, although it was procured in Japan. Chlorostoma argyrostoma Gmel. Lischke, Jap. Meeres-Conch., I, p. 96, pi. 7, f. 4; Pilsbry, Manual, p. 165. It is very doubtful whether this species occurs in Japanese waters. The large example figured by Lischke, as well as the extensive suite in the collection of the Academy, are from China. Lischke calls the typical form of argyrostomum " var. major," but this term is superfluous. Chlorostoma umbilicatum Lischke. PI. VI, figs. 11, 12. Lischke, Jap. Meeres-Conch., I, pi. 7, f. 5 ; II, p. 87 (" Q. argyroslomum v. umbili- catum"). Nagasaki (Lischke). More strongly spirally lirate beneath than 0. argyrostomum, and umbilicate. The specimen figured is in the collection of Mr. Shelly G. Crump, of Rochester, N. Y. Chlorostoma distinguendum Dkr. Dkr., Moll. Jap., p. 22, pi. 3, f. 1. Deshima (Dkr.); Japan (Stearns). 94 JAPANESE MOLLU8KS, TROCHID.fi. Chlorostoma turbinatum A. Adams. PI. VI, figs. 9, 10. Pile., Man. Conch., XI, p. 193, 194. Ch. rugatum Gld., Otia, p. 158, fide E. A. Smith. Toba, S. Niphon (Smith) ; Hakodate Bay and Simoda (Stimp). ; Hakodate (Stearns). Shell having the contour of argyrostomum but much smaller, the oblique folds of the upper surface coarser, not splitting below the sutures, often crossed by some indistinct spirals; base slightly con- vex, with five or six spiral cords, often subobsolete ; columella as in argyrostomum, the umbilical region closed in both old and young, but with a deep pit, encircled on the side toward the mouth by a green callus ; the outer margins of the umbilical tract more or less stained with golden. Color above and below, black, in both young and old examples. Alt. 21, diam. 25 mm. The species has not hitherto been figured. Chlorostoma nigerrimum Gmelin. List-like, J. M. C., p. 79, pi. 7, f. 6, 7 ; Pilsbry, Manual XI, p. 165. Cfu corntgatum A. Ad. ; Ch. undatellaGld. Nagasaki (Lischke) ; Deshima (Nuhn, Dkr.) ; Oushima, Kago- shima and Taneogoshima (Stimpson ; C. undatella Gld., Otia, p. 158). Chlorostoma zanthostigma A. Adams, (nigricolor Dkr.). Dkr.. Moll. Jap., j»- 22, pi. 3, f. 2 ; Lischke, J. M. C., p. 100, pi. 7, f. 1, 2. Nagasaki (Lischke) ; Deshima (Nuhn, Dkr.) ; Ooshima (St. John). Chlorostoma lisohkei Pilsbry. Pilsbry, Man. Conch., XI, p. 167, pi. 26, f. 16. Japan (A. Garrett). Chlorostoma msticum Gmelin. Pilsbry, Man. Conch., XI, p. 166, pi. 25, f. 1-4; Lischke, J. M. C., p. 97. Nagasaki (Lischke); Deshima (Nuhn, Dkr.); Hakodate (Schrenck and Stearns). The upper surface is very strongly rudely ribbed throughout, the ribs extending slightly over the periphery upon the base. Color, black above, black and white strigate beneath, the young black beneath. In the typical rusticum the ribs are less strong. Chlorostoma brunneum Phil. Pilsbry, Man. Conch., XI, p. 170, pl.-27, f. 36-38. Nagasaki (Lischke). A single large specimen (alt. 39, diam. 33 mm.) collected by Stearns, which is undoubtedly this species. JAPANESE MOLLUSKS, TROCHIDJE. 95 Chlorostoma carpenter! Dunker. Lischke, Jap. Meeres-Conch., p. 98, pi. 7, f. 8, 9, 10; Pils., Man. Conch., XI, p. 168. Nagasaki and Deshima (Lischke) ; Southeast coast, Prov. Kii (Stearns). Chlorostoma pfeifFeri Philippi. Pilsbry, Man. Conch., XI, p. 167, pi. 26, f. 13-15. T. nordmanni Schrenck, Ch. achales Old. Yedo (Lischke) ; Hakodate (Schrenck) ; Simoda (N. P. E. E.); S.-E. coast Kii (Stearns). Chlorostoma sordidum Philippi. Phil., Conch. Cab., p. 301, pi. 44, f. 1. T. sub- fuscescens Schrenck, vide Pilsbry, Man. Conch., XI, p. 188, 189. Bay of Hakodate (Schrenck) ; Tokyo Harbor (Stearns) ; Ooshima and Endermo (St. John). Cantharidus (Thalotia) japonicus A. Adams. Pilsbry, Man. Conch., XI, p. 355, pi. 17, f. 25. Nagasaki, Yokohama, Tokyo Harbor, Inland Sea, Nemoto, Boshiu (Stearns) ; N. shore of Tango (Gaines). A series of many hundred examples was collected, exhibiting a very wide range of variation in color. We consider Cantharidus hilaris Lischke (Jap. Meeres-Conch., II, p. 85, pi. 5, f. 14, 15, and Fischer, Coq. Viv. Trochus, p. 353, pi. 110, f. 2) from Nagasaki, a synonym. Cantharidus (Thalotia) yokohamensis Book. Bock, P. Z. S., 1878, p. 727, pi. 46, f. 3 ; Pilsbry, Manual XI, p. 147, pi. 40, f. 40. Yokohama (Bock). Alcyna ocellata A. Ad. Man. Conch., X, p. 182, pi. 40, fig. 12. Tatagama ; Nemoto, Boshiu (Stearns); off Talen-Shima, 25 fms. (Ad.) Alcyna lepida A. Ad. Man. Conch., X, p. 182. Off Talen-Shima, 25 fms. (A. Ad.). Gibbula globularia Schrenck. Schrenck, Amurl. Moll., p. 357, pi. 16, f. 1-4; Pils- bry, Man. XI, p. 226, pi. 57, f. 10. Bay of Hakodate (Schrenck). Gibbula corallina Smith. Smith, Ann. Mag., 1875, XVI, p. Ill j Pilsbry, Manual XI, p. 225. Gibbula yamadana Smith. Smith, Ann. Mag., 1875, XVI, p. Ill ; Pilsbry, Manual XI, p. 224. • Yamada Harbor (St. John). Gibbula japonioa Smith. Smith, Ann. Mag. N. H., 1875, XVI, p. 110 ; Pilsbry, Man. Conch., XI, p. 224. Gulf of Yedo, lat. 35° 35', long. 139° 48', in 6-25 fms. (St. John). 96 JAPANESE MOLLU8K8, TROCHID-E. Gibbula redimita Gld. Pilsbry, Man. Conch., XI, p. 227 ; Smith, Ann. Mag. Nat. Hist., 1875, XVI, p. 111. Bay of Hakodate (Stimpson); lat. 41° 12' N., long. 140° 45' E., 43 fath. (St. John). Gibbula ochotensis (Midd.) Phil. Man. Conch., XI, p. 237, pi. 60, f. 3, 4. Okhotsk Sea. Oibhula eucosmia n. 8p. PI. VIII, fig. 4, Shell umbilicate, conic and elevated, with flattish base. Coral-red with a series of white flammules below the sutures and white spots at periphery, but sometimes the flames extend to periphery ; base red with an umbilical white patch. Surface sculptured with raised smooth, spiral cords, of which there are 6 above the periphery rather widely spaced, and on the base 10 much closer; between the cords very delicate growth lines are visible. Whorls about 6J, convex, the last one subangular at periphery. Aperture rounded, columella concave above, straightened below, bluntly angled at base. Umbil- icus narrow, rather funnel-shaped at the opening. Alt. 7, diam. 6 mm. Hizen (Stearns) ; N. shore of Prov. Tango (Gaines). Oihhula ? fulgeni Gld. Pilsbry, Man. Conch., XI, p. 225 ; pi. 40, f. 38 ; Smith, Ann. Mag., 1875, XVI, p. 110; Syn. : T. iridescent Schrenck. Off Cape Blunt, 35 fms. (St. John). Gibbula (Cantharidella) callichroa Philippi. Phil., Conch. Cab., p. 298, pi. 43, f. 15. Trochus jeSHOensis Schrenck, Moll. Amur-landes, etc., p. 353, pi. 15, f. 11-18; Pilsbry, Man. Conch., XI, p. 222. Hakodate (Schrenck) ; Hizen (Stearns) ; N. shore of Prov. Tango (Gaines). Enida japonica A. Adams. Dkr., Index, p. 144, pi. 12, f. 17, 18. 1'i 1.--.. Man. Conch., XI, p. 245, pi. 67, figi. 44, 45. Off Mino-Shima, 63 fms. (Ad.). Enida speciosa A. Adams. Pils., Man. Conch., XI, p. 245. Off Mino-Shiraa, 63 fins. (Ad.). Enida gemmulosa A. Adams. Pils., Man. Conch., XI, p. 246. Off Mino-Shima, 63 fms. (Ad.). Basilissa lampra Watson. Challenger Gastrop., p. 97, pi. 7, f. 5. Mid-Pacific, E. of Japan, 2050 fathoms (Chall.). Monilea inepta Gld. Otia Conch., p. 155; Pils., Man. Conch., XI, p. 254. Kagoshima Bay (Stimpson). JAPANESE MOLLUSKS, TROCHIDJE. 97 Monilea vernicosa Gld. Pilsbry, Man. of Conch., XI, p. 254; Otia, p. 155. Ooshima (Stimpson). Monilea glareosa Gould. Pils., Man. Conch., XI, p. 255 ; Otia, p. 155. Loo Choo, Oushima and Kikaia (Stimp.). This may be a Solari- ella or Minolia. Monilea smithi Bunker. Pilsbry, Man. of Conch., XI, p. 438, pi. 38, f. 5-7 ; Dkr., Index, pi. 6, f. 16-19 (Euchdus). Wakayama (Dkr.). Monilea (Rossiteria) nuclea Philippi. Pilsbry, Man. Conch., XI, p. 257, pi. 61, f. 31, 32. Japan (Fischer) ; Viti Is. (Garrett ! in coll. Phila. Acad.). Bathybembix argenteonitens Lischke. Lischke, Jap. Meeres-Conch., Ill, p. 66, pi. 4, f. 1 ; Pilsbry, Manual XI, p. 347. Yedo (Lischke) ; Inland Sea (Stearns). This species varies but little. A larger individual measures, alt. 48, diam. 35 mm. In Japan it is called GinTcai, silver shell. Bathybembix crumpii Pilsbry. PI. XI, fig. 4. Pilsbry, Nautilus, VI, p. 105, 133, pi. 2, f. 3. Japan (Shelly G. Crump). Bathybembix aeola Watson. Wats., Chall. Gast., p. 95, pi. 7, f. 13 ; Pilsbry, Man- ual, p. 163. pi. 40, f. 10, 11. OffEnoshima, Japan, in 565 fms. (Challenger Exped.). Bathybembix abyssorum E. A. Smith. P. Z. S., 1891, p. 438, pi. XXXIV, f. 5. North Pacific, E. of Japan in 2300 fathoms (Challenger). Minolia1 punotata A. Adams. Pilsbry, Man. Conch., XI, p. 259, pi. 44, f. 33. Mino-Shima (A. Ad.). 1 Minosia Dkr., Index, p. 142. Minolia pulcherrima (A. Ad.) Sowb. Sowerby, Conch. Icon., XX, Margarita, f. 11. Japan (Sowb.). Seems to be a synonym of M. punctata A. Ad., and the name is preoccupied. Minolia mustelina Gould. Gld., Otia, p. 154. (Margarita). Hakodate Bay, low water (N. P. E. E.). Minolia vitiliginea Mke. (!). Lischke, Jap. Meeres-Conch., II, p. 86. The type of this species as figured by Philippi (Conch. Cab. Trochus, p. 176, pi. 28, fig. 2) is unlike any Japanese specimens I have seen. 7 98 JAPANESE MOLLU8KS, TROCHID^E. Minolia Stearnsii n. sp. Shell more depressed than M. vitiliginea Mke., thin, shining, widely umbilicate ; densely and finely radially vermiculate with olivaceous on a pale ground above, usually with few or many radial dark clouds below the suture, and several narrow articulated, spaced spiral lines, the periphery lighter, often spotted ; base with paler vermiculate and articulated pattern. Surface closely and evenly sculptured with spiral striae throughout, with inconspicuous rather spaced oblique impressed lines, and between them very faint, close growth-striae which slightly crenulate the spirals. Whorls 5, very convex, rather flattened below the sutures, producing a blunt median angle on the whorls of the spire. Last whorl subangular at periph- ery and around umbilicus; the latter funnel-shaped, one-fourth the total diameter of the shell, white within and with distinct growth- lines. Aperture roundly subquadrate, oblique; columella slightly dilated above, straight in the middle, bluntly angular at base. Alt. 6'2, diam. 10 mm.; var. : olivaceous replaced by brilliant rose color. Nemoto, Boshiu (Stearns). I separate this from the vitiliginea of Menke (see Philippi) on account of its more depressed form and wider umbilicus. Margarita helioina Fabr. Man. Conch., XI, p. 285 ,• M. arctica Leach, Dkr., Index, p. 145. Has been reported from northern Japan. Turcica imperialis A. Adams. Lischke, Jap. Meeres-Conch., Ill, p. 67, pi. 4, f. 4— 6 ; Pilsbry, Man., p. 415. T. adamsianus Schrenck. Tsusaki, W. coast of Japan, 37 fms. (Ad.) ; Bay of Yedo (Lischke); Hakodate (Schrenck) ; Japan (Stearns). The largest specimen measures, alt. 38, diam. 31 mm. The color varies from uniform cream-white, to brownish, maculated and light- ning-streaked with reddish-brown. One specimen has the beaded cords of the upper surface reduced to fine, subobsolete, almost smooth threads, the periphery with a double series of compressed beads, and another similar cingulus below the suture. This specimen contrasts strongly with the typical form, but we can only regard it as a variety. Turcica concinna A. Adams. Pilsbry, Man. Conch., XI, p. 415. Uraga, Japan (Ad.). JAPANESE MOLLU8KS, TROCHID^E. 99 T. coreensis Pease. Corea Sea. This is hardly Japanese. The " T. instricta " re- ported from Satanomosaki by A. Ad. (Ann. Mag. N. H. (3), XIII, p. 143) can hardly be the real Euchelus instrictus Gld., of which specimens are before me from New Caledonia and Viti Is. (see Man. Conch., XI, p. 440). Calliostoma unicum Dunker. Pilsbry, Man. of Conch., XI, p. 341, pi. 16, f. 9, 10 ; Lischke, J. M, C., Ill, p. 64. C. affinis Ball. Nagasaki (Lischke) ; Deshima (Nuhn ! Dkr.) ; Simoda (Dall) ; Inland Sea and Tokyo Harbor (Stearns). About 200 hundred specimens found by Mr. Stearns. They agree in sculpture, but vary from reddish to yellow in ground color, and on some the broad cloud-like dark maculse of the upper surface are wanting. Calliostoma censors Lischke. Lischke, Jap. Meeres-Conch., I, p. 65, pi. 4, f. 2, 3 ; Pilsbry, Man., XI, p. 347. Bay of Yedo (Lischke) ; Inland Sea (Stearns). This seems to be merely a variety of C. unicum. Calliostoma sowerbyi Pilsbry. Pilsbry, Man. of Conch., XI, p. 34, pi. 18, f. 17; Ziziphinus jucundus Sowb. not Gld. Japan (Sowb., Stearns). Calliostoma hungerfordi Sowerby. P. Z. S., 1888, p. 568, pi. 28, f. 14; Pilsbry, Man. of Conch., XI, p. 343, pi. 34, f. 11. Japan (Huugerford). Calliostoma urbanum Gould. Otia, p. 157 ; Pils., Man. Conch., XI, p. 401. Kagoshima Bay (Stimp.). Calliostoma infuscatum Gould. Gld,, Otia, p. 157 ; Pilsbry, Man. Conch., XI, p. 401. Kagoshima Bay (N. P. E. E.). One of the original lot is in the collection of the Academy of Nat- ural Sciences of Philadelphia, showing it to be a well marked spe- cies. It will probably occur larger in size. Calliostoma (Lischkeia) moniliferum Lam. Enoycl.Meth., pi. 445, f. 2; Pils., Man. Conch., p. 347 ; Tr. alwinse Lischke, Jap. Meeres-Conch., II, p. 84, pi. 6, f. 17-19. Kiusiu I. (Lischke) ; Japan (Stearns). Euchelus bronni Dunker. Dkr., Moll. Jap., p. 22, pi. 3, f. 8 ; Pils., Man. Conch., XI, p. 438. Japan (Dkr.). 100 JAPANESE MOLLU8K8, TROCHID^. Euohelus pauperoulus Lischke. Lischke, Jap. Meeres-Conch., Ill, p. 69, pi. 4, f, 9-11; Pilsbry, Man. Conch., XI, p. 439, pi. 63, f. 20, 21. Yedo (Lischke) ; Tokyo Harbor (Stearns). Euchelus exiguus A. Adams. Pils., Man. Conch., XI, p. 118 ; Monodonta exigua A. Ad., P. Z. S., 1856, p. 176. Japan (Siebold). Euchelus ruber A. Adams. Man. Conch., XI, p. 440, pi. 67, f. 79. Karaakura (Stearns). Specimens of clear, pale brown tint, with light brown scattered dots, but agreeing quite perfectly with typical rubra in sculpture. Also, N. shore of Tango (Gaines), a red speci- men. Ethalia rufula Gould. Old., Otia, p. 154. Ooshima (N. P. E. E.). This genus is here understood in the sense explained in Man. Conch., XI, p. 457, not as used by authors generally. The Umlwnium anguliferum Phil., reported from Yokohama by Dunker, must be a mistake, as that is a New- Zealand species of Ethalia. Umbonella murrea Reeve. Rve., Conch. Icon., Turbo, f. 54 ; Ad., Ann. Mag. N. H. (3), XI, p. 265, 1863, hander maculosu* A. Ad. Goto Is., 71 fms. (Ad.). Camilla sp. See Man. Conch., XI, p. 465. No good authority for the Japan- ese reference seems to exist. Umbonium giganteum Lesson. Pilsbry, Man. Conch., p. 454, pi. 58, f. 17-19. Kii coast (Stearns) ; Yedo, Nagasaki (Lischke). The following principal color patterns occur : (1). Entire surface uniform blue-black. (2). Olivaceous, with short black and cream blotches below the suture, a continuous red band at periphery, bordered below by a white band. (3). Olivaceous-yellow, yellow, or pinkish-yellow, unicolored or marked like the preceding. (4). Very light drab, almost white, uniform or marked like num- ber 2. (5) Plumbeous, with a series of black and cream blotches below the suture, and a series of cream and dark plumbeous maculae at the periphery. Many specimens, especially immature ones, show a group of sev- eral spiral strise immediately above the periphery. JAPANESE MOLLUSKS, TROCHID&.0- ' Ifel TTmbonium costatum Lesson. Pils., Man. Conch., XI, p. 54, pi. 59, f. 34, 35. Kii coast (Stearns) ; Siinoda, Hakodate, Tsu-Shima, etc. (Ad.) ; Nagasaki (Lischke). Very large specimens, measuring alt. 22, diam. 30 mm. The col- oration is very uniform, consisting of narrow radial stripes of buff and olive-bluish broken into a fine tessellation by the spiral grooves of the upper surface, the base with coarser radial stripes, sometimes interrupted ; umbilical callus purplish-pink, TJmbonium costatum var. superbum Gould. Lischke, J. M. C., II, p. 83, pi. 5, f. 18-21. Nagasaki (Lischke) ; Kagoshima (N. P. E. E.); Inland Sea, Hizen, near Enoshima (Stearns). Very extensive suites of this form were collected by Mr. Stearns ; and a critical examination shows that there is really no character whatever separating them from U. costatum except size. The sub- sutural fasciole is sometimes smooth, but more often more or less tuberculate ; and specimens occur which are very different to distin- guish from U. moniliferum. Mr. Stearns has assorted the forms into numerous color varieties which he designates by letters. The more notable of these are as follows : (1). Coloration as described above for U. costatum, the stripes above continuous or tessellated, periphery often with a white and a red girdle, (Nagasaki, Kii). (See Lischke, II, pi. V, f. 20, 21). (2). Same pattern as above, but ground color orange, stripes faint olive ; base without stripes, red or yellow. (3). Same as No. 1, but with wide blotch-like stripes at and below the periphery. (See Lischke, f. 18, 19). (4). Entire surface blue-black or purple-black, callus fleshy. {Hizen). (5). Ground color and subperipheral fasciole red, stripes close and dusky ; interstices between spiral cords pure white. This is the most remarkable and lovely pattern. The base is articulated, broadly striped or uniform. (6). Ground color almost white ; stripes or tesellation very pale bluish or brown ; callus white or fleshy. (Inland Sea). (7). Stripes broad and red, on a yellow ground. (8). Upper surface with broad white zone. One specimen of this variety lacks spiral sulci, and has very convex whorls. V f ^APAN^^MOLLUSKS, CYCLOSTREMATID^E. Umbonium japonicum Sulliotti. Pilsbry, Man. Conch., XI, p. 456. Sea of Japan (Sul.). Will prove a synonym of U. moniliferum or superbum. Sowerby (Thes., V, p. 472) reports U. suturalis Lam. from Japan ; and A. Adams reports vestiarium Linn. Umbonium moniliferum Lamarck. Pilsbry, Man. Conch., XI, p. 456, pi. 58, f. 22- 31. Kishiu, Kamakura (Stearns) ; Nagasaki, Simoda, O-Shima (Dkr.). Three color varieties collected : (1). White, with some faint or obsolete tessellation; callus white or light. (Kishiu). (2). Yellow, with light olive tessellation ; callus pink or dusky. (3). Ground color buff or white, with wide red stripes, sometimes reducing the light ground to mere spots ; base with broad oblique stripes, or a subperipheral red girdle. (Kamakura). Umbonium thomasi Crosse. Pilsbry, Man. Conch., XI, p. 453, pi. 57, f. 31, 32. RoteUa infraplanata Sowerby. Hakodate. Umbonium adamsi Dunker. Dkr., Index, p. 135, pi. 6, f. 3-5. Japan (Dkr.). Is this more than a variety of U. thomasi f CYCL08TREMATID.S. Cyclostrema anaglyptum A. Ad. Man. Conch., Vol. X, p. 88, pi. 31, f. 15, 16. Seto-Uchi (Adams). Cyclostrema pulchella Dkr. Moll. Jap., p. 20, pi. 3, f. 5. Tokyo (Stearns) ; Bay of Yedo (Lischke) ; Inland Sea (A. Ad.), Tryon unites this with C. micans A. Ad. Cyclostrema ammonooeras A. Ad. Man. Conch., Vol. X, p. 89, pi. 31, f. 34, 35. Japan (Adams). Cyclostrema dunkeri Tryon. Man. Conch., X, p. 91, pi. 32, f. 48, 49. C. cingulatum Dkr. not Phil.; Moll. Jap., p. 20, pi. 3, f. 11. Deshima (Dkr.) ; Tokyo Harbor (Stearns). Cyclostrema biporcatum A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 7 a, b. Seto-Uchi (Adams). Cyclostrema Isevis Keiner. Sp. et Icon. Coq. Viv., Delphinula, pi. 4. f. 6. Japan. C. duplicata Lischke. Jap. Meeres-Conch., Ill, p. 61, pi. 3, f. 9. Yedo (Lischke). JAPANESE MOLLUSKS, CYCLOSTREMATIDJE. 103 Cyclostrema cinguliferum A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 1 a, b. Japan (Adams). Cyclostrema tornatum A. Ad. Conch. Icon., Vol. 19, pi. 2 f. 15. Japan (Adams). Cyclostrema sulcatum A. Ad. Conch. Icon., Vol. 19, pi. 2, f. 3. Japan (Adams). Cyclostrema (Tubiola) cornuellum A. Ad. Conch. Icon., Vol. 19, pi. 3, f. 21 a. b. Japan (Adams). Cyclostrema (Tubiola) nivea A. Ad. Man. Conch., Vol. X, p. 96, pi. 33, f. 89, 90. Japan (Chem.). Cyclostrema (Daronia) cyclotina A. Ad. Conch. Icon., Vol. 19, pi. 3, f. 20 a, b. Japan (Ad.). Cyclostrema (Morchia) obvolutum A. Ad. Conch. Icon., Vol. 19, pi. 3, f. 19 a, b. Japan (A. Ad.). Teinostoma concentricum A. Ad. Conoh. Icon., Vol. 19, pi. 1, f. 2 a, b. Takano-Shima (Adams). Teinostoma radiatum A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 6 a, b. Kino-o-Shiina (Adams). Teinostoma lucidum A. Ad. Conch. Icon., pi. 1, f. 7 a, b, Vol. 19. Japan (Adams). Teinostoma (Calceolina) pusillum (C. B. Ad.). A. Ad. Conch. Icon., Vol. 19, pi. 1, f. 8 a, b. Japan (Adams). Teinostoma candidum A. Adams. Ad., Ann. Mag. N. H., 1862, p. 296 (Ethalia) ; Sowerby, Conch. Icon., XX, pi. 4, f. 14 (Rotella). Goto Is., 71 fms. (Ad.). Teinostoma polita A. Adams. Ad., 1. c. ; Sowb,. 1. c., f. 17 (Rotella). Goto Is., 71 fms. (Ad.). Teinostoma omphalotropis A. Adams. Ad., Ann. Mag. N. H., 1863, XI, p. 266 (Ethalia). Yobuko, 17 fms. (Ad.). Teinostoma nitida A. Adams. Ad., Ann. Mag. N. H., p. 266 (Ethalia). Yobuko, 14 fms. (Ad.). Teinostoma sobrina A. Adams. Ad., Ann. Mag. N. H., 1861, VIII, p. 306 ; XI, p. 266 (Ethalia) ; Sowerby, Conch. Icon., Vol. 19, pi. 2, f. 19. 104 JAPANESE MOLLU8K8, STOMATELLID^E. Kino-o Shi ma, Takano-Shima, 25 fms. (Ad.). Teinostoma perspioua A. Ad. Ann. Mag., 1863, p. 266. Oki-no-Shima, Takano-Shima (Ad.). Microtheca crenellifera A. Ad. Conoh. loon., Vol. 19, pi. 3, f. 23. Japan (Ad.). Lippistes rollei v. Martens. Nachrbl. d. m. Gee., 1894, p. 135. Iki, in fine sand. STOMATELLIDJE. Stomatella lyrata Pilsbry. Man. Conch., XII, p. 12, pi. 2, f. 3-5. Kishiu (Stearns). This abundant species attains a diameter of 15 mm. It may be the same as the alleged Japanese S. articulate. Stomatella articulata A. Adams. Pits., Man. Conch., XII, p. 13, pi. 52, f. 43 ; Dkr., Index, p. 145. Japan (Dkr.). Originally described from Australia and Lord Hood's Island. Does it really occur in Japanese Seas ? Stomatella orbiculata A. Adams. Pilsbry, Man. Conch., XI, p. 16, pi. 52, f. 44, 45; Dkr., Index, p. 145. Japan (Dkr.). Also reported from Mozambique (Cuming) and Darnley I., Torres Sts. (Brazer). Stomatella japonica A. Adams. Pilsbry, Manual XII, p. 20, pi. 53, f. 97. Japan (Curaing) ; Deshima (Dkr.) ; Nagasaki (Lischke). Niphonia pulchella A. Adams. Ad., Ann. Mag. N. H. (3), 1860, p. 336 ; Pila., Man. Conch., XII, p. 29. Off Mino-Shima, 63 fms. (Ad.). Stomatia phymotii Hebling. Pilsbry, Manual of Conch., XII, p. 30 ; Dkr., Index, p. 146. Said to occur in Japan. Mr. Stearns obtained many specimens at Ohon-me I., Liukiu group. Stomatia rubra Lamarck. Pilsbry, Man. Conch., XII, p. 33 ; Dkr., Index, p. 146 ; pi. 6, f. 11-13. Strait of Corea (Ad.) ; Inland Sea of Japan (Stearns) ; Bay of Yedo (Lischke). The color varies from a deep crimson to orange. Stomatia splendidula A. Adams. Pilsbry, Man. Conch., XII, p. 34; Dkr., Index, p. 145. Japanese Sea (Ad.). JAPANESE MOLLUSKS, HALIOTID^E. 105 Oena dilecta Gould. Otia Conch., p. 109 ; Pilsbry, Man. Conch., XII, p. 40, pi. 55, f. 33. Hakodate Bay, on shells (Stimpson). Oena lutea (Linne) Adams. Pi's., Man. Conch., XII, p. 44, pi. 2, f. 29-31. Japan (Dkr.). Oena varia A. Adams. Pils., Man. Conch., XII. p. 45, pi. 55, f. 19-21. Japan (Dkr.). HALIOTIDJE. Haliotis (Padollus) ovina Gmelin. Pils., Man. Conch., XII, p. 124, pi. 19, f. 7. Three specimens of the reddish typical form collected by Mr. Stearns. Haliotis gigantea Gmelin. Pilsbry, Man. Conch., XII, p. 84. H. sieboldii and H. discus Reeve. Kii coast (Stearns, with numerous pearls of same) ; Nagasaki, Yedo, Hakodate (Lischke). Haliotis gigantea discus Rve. Yesso (Stearns). From this locality forms referable to both discus and Jcarr.tschat- kana. Simoda and Hakodate (Stimp.) ; Goto Is. (Ad.). Haliotis planata Sowerby. Pilsbry, Man. Conch., XII, p. 99, pi. 49, f. 20, 21, 22. Philippines (Sowb.) ; Viti Is. (Garrett !) ; Japan (Stearns). Haliotis japonica Reeve. Pilsbry, Man. Conch., XII, pi. 14, f. 77-J-/T. aquatilis and H. incisa Rve. Japan (Rve.). Haliotis diversicolor Reeve. Pilsbry, Man. Conch., XII, p. 104, 105. Sagami, Awa, Idzu and Kii coast (Stearns). This specific name covers the following forms, the distincti ?e feat- ures of which are well bridged by specimens in the large quantity collected by Mr. Stearns. H. supertexta Lischke. Jap. Meeres-Conch., II, p. 92, pi. 6, f. 13-15. Nagasaki (Lischke). H. exigua Dunker. Index, p. 148, pi. 6, f. 8-10. This is merely a young shell, easily matched in any series of young supertexta. H. gruneri Philippi. Pilsbry, Man. Conch., XI F, p. 105, pi. 47, f. 1, 2. Nagasaki, Yedo (Lischke). Haliotis speciosa Reeve. Conch. Icon., f. 47. Japan (Mus. Loebbecke, teste Weinkauff ), 106 JAPANESE MOLLU8K8, FIS8URELLIDJE. Haliotis (Teinotis) asinina Linn. Pils., Man. Conch., XII, p. 126, pi. 14, f. 76. Japan (Weinkauff; Stearns). SCISSUSELLIDJE. Scissurella japonioa A. Adams. Pils.^Man. Conch., XII, p. 59. Mino-Shima, 63 fms., Seto-Uchi, O-Shima (Ad.). Scissurella lamellata A. Adams. Pile., Man. Conch., XII, p. 59. Mino-Shima, 63 fms., Goto, 71 fms., O-Shima, 26 fms. (Ad.). Scissurella turbinata A. Adams. Pils., Man. Conch., XII, p. 59. Mino-Shima, 63 fms. (Ad.). Scissurella concinna A. Adams. Pils., Man. Conch., XII, p. 59. Rifunsiri, 35 fms. (Ad.). Scissurella staminea A. Adams. Pils., Man. Conch., XII, p. 60. Tsu-Shima, 25 fms. (Ad.). Schismope carinata A. Adams. Pils., Man. Conch., XII, p. 67. Okosiri, 35 fms., Seto-Uchi, 16 fms., Goto, 71 fms. (Ad.). Schismope modesta A. Adams. Pits., Man. Conch., XII, p. 67. Tabu-Shima, 25 fms. (Ad.). Schismope miranda A. Adams. Pils., Man. Conch., XII, p. 67. Mino-Shima, 63 fms. (Ad.). PLEUROTOMARIIDJE. Fleurotomaria beyrichi Hilgendorf. v. Martens, Conch. Mittheil., i, p. 33, pi. 7 ; Pilsbry, Man. Conch., XII. p. 71, pi. 56, f. 7-9. Japan. FISSURELLIDJE. Fissurellidince. Macroschisma macroschisma (Chemn.) Dillwyn. Patella macroschisma Chemnitz, Conchyl. Cab., XI, p. 184, pi. 197, f. 1923, 1924 (1795). Patella macroschisma Wood, Index Testae., pi. 38, fig. 102a (1828). Patella macroschisma Dillw., Descript. Cat. Rec. Shells, II, p. 1062, (1817) ; reference to Humphreys excluded. Fissurella macroschima Desh., in Lam. An. s. Vert. Edit. 2, VII, p. 603 (exclusive of all but first reference) 1836. Macrochisma maxima A. Adams, P. Z. S., 1850, p. 202 ; H. & A. Adams, Gen. Rec. Moll., Ill, pi. 51, fio;. 5, (1858). Macroschisma maxima Pils., Man. Conch., XII, p. 192 (copy of Adams' description and figure). JAPANESE MOLLUSKS, FISSURELLID^E. 107 Not Humphreys and DaCosta, Conch., pi. 7, f. 3. Not Fissurella macroschisma Sowerby, Genera of Shells, Fiss., f. 5, =M. hiatula Swains. Not Fissurella macroschisma Sowb., Conch. Illustr., f. 39. Not Macrochisma maxima Sowb., Thes. Conch., Ill, pi. 244, f. 216, 217. The prominent specific characters of this form are its very large perforation which is suddenly dilated posteriorly to double the width of its middle portion. The anterior part of the shell has several carinse. In M. hiatula Sw., the hole is not thus dilated posteriorly, nor is it so in the various figures of Humphreys and Sowerby referred to above. Chemnitz reports the species from Japan. Macroschisma sinensis A. Adams. PI. VI, figs. 6, 7, 8. Pilsbry, Manual of Conch., XII, p. 190, pi. 59, f. 56-59. Tabu-Shima (Ad.) ; Nemoto, Boshiu (Stearns, twelve specimens). Shell oblong, the length slightly exceeding twice the breadth ; lateral margins slightly convex, subparallel, anterior margin well rounded, posterior margin more or less truncate, often emarginate. Anterior slope straight or slightly convex, more than half the length of the shell ; side slopes straight. Surface sculptured with close, fine radial striae, latticed by con- centric raised strise, which are much less obvious on old than on young shells ; the anterior portion having about four very inconspic- uous low radial ridges. Color either (1) dotted, speckled and ob- scurely banded with black on a pale buffish ground, or (2) blackish at the sides, crimson in front and behind, or (3) crimson throughout, with some faint blackish rays. Posterior slope very short, about equalling the length of the eroded portion behind the hole ; gen- erally concave, or broadly guttered behind the hole. Perfora- tion wedge-shaped, with nearly straight sides, gradually diverging backward ; very narrow in front, the back margin rounded, with an eroded tract behind it. Length of hole slightly less than one-third the entire length of the shell. Interior white with a bluish stain ; hole-callus well marked, its edge stained with olive-black at the sides. Peristome strongly curved upward behind, much less so in front, the lateral margins nearly level. Length 23J, breadth 101, alt. 6 mm. Length 23£, breadth lOf, alt. 6£ mm. Length 21, breadth 9f, alt. 6 mm. This species differs from M. macroschisma in the form of the per- foration, which is wider posteriorly but not abruptly dilated there. 108 JAPANESE MOLLU9K8, FISSURELLIDJC. Macroschisma dilatata A. Adams. Sowerby, Thes., Ill, p. 206, f. 220 ; Man. Conch. XII, p. 193, pi. 59, f. 63. Nemoto, Boshiu (Stearns). The specimen referred to this species differs from M. sinensis in being shorter and broader, with shorter foramen and concave front slope. Color red, with a white ray on each side. Maoroschiima Lischkei Pilsbry. PI. VI, figs. 1, 2, 3, 4, 5. Nemoto, Boshiu (Stearns). Shell oblong, the length less than twice the breadth ; lateral mar- gins convex, anterior margin well rounded, posterior margin bluntly rounded, subtruncate. Anterior slope straight, decidedly less than half the length of the shell ; side slopes straight. Surface sculptured with fine radial striae, alternately larger 'and smaller, finer on the forward half of the side slopes ; slightly decus- sated by growth lines. Color either (1) uniform black, or (2) closely speckled with black on a buff ground, or (3) crimson with or without dusky rays. Posterior slope long for the genus, about one-fifth the length of the entire shell ; flattened or subconcave be- hind the hole, but not guttered. Perforation large, oblong, slightly narrower in front, and wider behind, with a very narrow eroded tract behind it. Length of hole contained two and one-half times in length of shell. Interior bluish-white, the hole-callus darker at the sides. When resting upon a plane surface, the peristome of the shell is seen to be very much elevated behind, and but little less so in front; the latero-basal margins strongly curved throughout. Length 17§, breadth 9, alt. 5 mm. Length 16, breadth 9J, alt. 5 mm. Twenty-two specimens collected. This seems a very distinct spe- cies ; the position and proportions of hole, the long posterior and short anterior slope, and the strongly curved basal margins being especially characteristic, and unlike other described forms. Emarginulince. Fissuridea tioaonica Reeve. Sowb., Thes., Conch., Ill, p. 197, f. 110. Described from Ticao, Philippines ; reported from Japan by Dunker. One specimen collected by Mr. Stearns is referable to this species, although the foramen is rather shorter. Fissuridea was proposed for a highly arched species from the Philippine Is. It has hitherto been regarded as a subgenus of Fissurella. Its synonymy is as follows : JAPANESE MOLLUSKS, FISSURELLID^E. 109 Fissuridea Swains., Malacol., p. 356, 1840, type F. galeata Helbl. Glyphis Carpenter, P. Z. S., 1856, p. 223, type G. aspera Esch. Not Glyphis Agassiz, 1842, nor of Gibbes, 1848, a genus of fishes. Fissuridea Pilsbry, Nautilus, Jan., 1892, p. 104. Fissuridea sieboldii Reeve. Pilsbry, Man. Conch., XII, p. 204; Dkr., Index, pi. 6, f. 14, 15. Bay of Yedo (Lischke). Lucapina pfeifferi Dkr., Malak., BL, xxiv, p. 70, is said by Dunker to be identical. Puncturella noachina Linne. Pilsbry, Man. Conch., XII, p. 229, pi. 27, f. 69, 70. Japan (Dkr.). Puncturella nobilis A. Adams. Pilsbry, Man. Conch., XII, p. 231, pi. 63, f. 34-37. Okosiri (Ad.). Puncturella (Cranopsis) pelex A. Adams. Pilsbry, Manual XII, p. 241, pi. 28, f. 8. Off Mino-Shima, 63 fms. (Ad.). Puncturella (Cranopsis"* pileolus A. Adams. Pilsbry, Man. Conch., XII, p. 241, pi. 28, f. 9. Off Mino-Shima (Ad.). Zeidora reticulata A. Adams. Pils., Man. Conch., XII, p. 247, pi. 63, fig. between 16 and 20. Mino-Shima (Ad.). Zeidora calceolina A. Adams. Pils., Man. Conch., XII, p. 247, pi. 64, f. 27. Strait of Corea, off Mino-Shima (Ad.). Bimula cumingii A. Adams. Thes. Conch., Ill, p. 210, pi. 245, f. 1. Japan (Dkr.). Emarginula adamsiana Sowerby. Sowb., Thes. Conch., p. 214, f. 27, 28. Japan (Sowb.). E. solidula Costa, a Mediterranean species is said to occur in Japan, but it requires confirmation. Emarginula scabriuscula A. Ad. Conch. Icon., Vol. 19, pi. 5, f. 30. Japan. Emarginula maculata A. Adams. Ad., in Sowb., Thes. Ill, p. 215, f. 31, 32; Pils., Man. Conch., XII, p. 263. Goto Is. (A. Ad.). Emarginula japonica Sowerby. Thes. Conch., Ill, p. 216, f. 43, 44. Emarginula altilis Gld. Gld., Otia, p. 116. Kagoshima Bay, 10 fms. 110 JAPANESE MOLLU8K8, ACM^EIDJE. Emarginula textilis Gould. Old., Otia, p. 116. Ooshima (N. P. E. E.). Suhemarginula picta Dkr. Dkr., Moll. Jap., p. 24, pi. 12, f. 15. Deshima (Dkr.) ; Nagasaki (Lischke). Suhemarginula (Tugalia) gigas v. Martens. (Saru-aivabi). Mart.. Conch. Mit- thoil. II, p. 103, pi. 19 ; Pils., Man. Conch., XII, p. 286. Northern Japan (Mts.). Scutus unguis Linne". Pils., Man. Conch., XII, p. 289, pi. 40, f. 4-8. (Parmo- phorus japonicus Tapparone-Canefri.) Nagasaki (Stearns). Besides the synonyms given in the Manual of Conchology, Patella scapha Gmelin, Syst. Nat. 13, p. 3727, belongs to this species. PHENACOLEPADIDJE. Phenacolepas pulchellus Lischke. Lischke, Jap. Meeres-Conch., 11, p. 100, pi. 6, f. 20-23. (Scutellina). Nagasaki (Lischke). The generic names Scutella and Scutellina being preoccupied, have been changed as follows : Scutella Brod., P. Z. S., 1834, p. 47, not of Lam., 1816. Scutellina Gray, P. Z. S., 1847, p. 168, not of Agassiz, 1841. Phenacolepas PiUbry, Nautilus, v, 89, Dec., 1891. Phenacolepas unguiformis Gould. Old., Otia, p. 115; Man. Conch., XII, p. 129. (Scutellina). Kagoshima (N. P. E. E.). Phenacolepas scobinatus Gould. Gld., Otia, p. 115; Man. Conch., XII, p. 129. (Scutellina). Ooshima (N. P. E. E.). (Docoglossa). ACMJEIDJE. Acmsea schrenckii Lischke. Lischke, Jap. Meeres-Conch., I, p. 107, pi. 8, f 1-4. (plus A. concinna Lischke). Nagasaki (Lischke) ; Ojima, Yokohama and Hakodate (Stearns). A wonderfully variable limpet. In the large series collected at Ojima the typical schrenkii is represented by several varieties. Some have the color pattern shown in Lischke's figures, others a coarsely tessellated design ; the radial riblets being either smooth or finely beaded. Another variety is the concinna of Lischke (Jap. Meeres- Conch., II, pi. 6, f. 16) rounder in outline, more elevated, and all over finely beaded, and mostly unicolored blackish ; but many in- JAPANESE MOLLUSKS, ACM^EID^. Ill termediate specimens between this and typical schrenckii occur. Still another form is smaller, more erect and elevated, with dull, tes- sellated or rayed exterior, and subobsolete radial strise. The speci- mens from Hakodate are rather small. All of the forms of A. schrenckii have the interior stained with green or blue. Acmaea heroldi Dkr. PI. VI, figs. 13, 14, 15, 16, 17, 18. Nagasaki and Deshima (Lischke) ; Kashi-azaki, Boshiu, Eno- shima, Sagami (Stearns). Great numbers of this species were obtained by Mr. Stearns. It is readily distinguishable from all forms of A. schrenckii by the brown-black and white (not blue or green) interior. Dunker's P. pygmcea is probably a synonym. A white variety, ray-variegated with reddish-brown, occurs at Tokyo Harbor and Kamakura (Stearns). Acmaea conulus Dkr. Man. Conch., XIII, pi. 9, f. 17, 18. Yokohama, Enoshima, Tokyo Harbor (Stearns) ; Deshima (Nuhn) ; Nagasaki (Lischke). Typical specimens agreeing with the figures cited were collected by Mr. Stearns. Acmaea dorsuosa Gould. Man. Conch., XIII, p. 45, pi. 33, f. 88 j pi. 9, f. 15, 16. Hakodate (Gould) ; Ooshima (Challenger) ; Enoshima (Stearns). Acmaea saccharina Linne. Man. Conch., XIII, pi. 36, f. 60-64. Coast of Kii (Stearns) ; Ooshima (Challenger) ; Nagasaki (Lischke) ; Deshima (Nuhn). Many specimens were collected, agreeing in the main with Reeve's Patella lanx. The inside has a wide black margin, interrupted at the positions of the principal ribs with white. Spatula is either stained irregularly with brown, or has a large black patch and numerous dots, somewhat as in the var. stellaris Q. & G. Acmaea grata Gould. Otia Conch., p. 115. North shores of Nippon (N. P. Exped.). Acmcea patina Esch., digitalis Esch. and testudinalis Mull., have been reported from Japan, see Jap. Meeres-Conch., II, p. 93, etc. LEPETIDJE. Lepeta caeca Mttller. Pils., Man. Conch., XIII, p. 68, pi. 40, f. 29-32. Northern Japan (Dkr.). Lepeta (Cryptobranchia) concentrica Middendorff. Pils., Man. Conch., XIII, p. 69, pi. 40, f. 33-37. Northern Japan, Aleutian Is. 112 JAPANESE MOLLU8K8, PATELLID^. PATELLIDJE. Patella (Scutellastra) stelleeformis Reeve. 'Pilsbry, Man. of Conch., XIII, p. 98. Yedo (Lischke) ; Tsu-Shima (A. Ad.) ; Japan (Stearns). The specimens are like pi. 17, figs. 25, 27 of Man. Conch., rude and irregular. Helcioniscus nigrisquamatus Reeve. PI. VII, figs. 1, 2. Pilsbry, Man. of Conch., XIII, p. 125, pi. 48, f. 13-15. Coast of Prov. Ise (Stearns) ; Coast of Kii (Stearns) ; Ogasawara, Benin Is. (Stearns). The specimens from the Province of Kii are small. One is re- presented in figs. 1, 2, of pi. VII. Those from Ise are larger, agreeing well with Reeve's figures, and his type may very likely be from this region. As they grow older, the interior loses its black-brown spots. The localities " Australia " and " Chili " previously given for this species are false. Helcioniscus nigrisquamatus boninengis Pils. PI. VII, fig. 3. Pilsbry, Man. Conch., XIII, p. 131, pi. 66, f. 1, 2 ; pi. 67, f. 3. This is the large form from Bonin Is. (Stearns). It probably in- tergrades completely with nigrisquamatus, but all the specimens I have seen have a larger central spatula. A very elevated individ- ual is figured. Helcioniscus Btearnsii Pilsbry. PI. VII, figs. 4, 5, 6. Man. Conch., XIII, p. 132, pi. 48, f. 16-18. Coast of Prov. of Kii (Stearns, 1890). This species is readily dis- tinguished from H. nigrisquamatus by the more anteriorly curved blunter apex, more convex posterior slope, etc. The central spatula varies from chestnut clouded in its depth with creamy to cream color clouded with brown. It is more solid than specimens of nigri- squamatus of the same size. Helcioniscus pallidut Gld. Man. of Conch., XIII, p. 133, pi. 67, f. 9, 10. P. lamanonii Schrenck, Amur!., pi. 14, f. 6-9. Hakodate (Stearns, Stimpsou, Schrenck, Dkr.) ; Yamada Har- bor (Ann. Mag., 1875, XVI, p. 114). Helcioniscus eucosmius Pilsbry. PI. VII, figs. 7, 8, 9, 10. Man. Conch., XIII, p. 148, pi. 71, f. 61-64. Enoshima (Stearns) ; Hakodate (Stearns). This is a solider, more erectly conical species than H. amussitata or toreuma, and the apex is less directed forward. The coloration, while characteristic, varies greatly. The species is not known from JAPANESE MOLLUSKS, POLYPLACOPHORA. 113 any locality outside of Japan. It is a very abundant form at Eno- shirna. The central spatula is generally deep brown with a lighter spot in the cavity of the apex, but sometimes it is orange (fig. 8) or even in rare cases creamy. Helcioniscus toreuma Reeve. Lischke, Jap. Meeres-Conch., I, pi. 8, f. 12-15 ; II pi. 6, f. 12. Nagasaki (Stearns, Lischke) ; Enoshima (Stearns) ; Hakodate (Stearns) ; Banda, Boshiu (Stearns). Even Lischke's splendid series of figures do not exhaust the color variations of this Protean limpet. After examining several hundred examples I am unable to retain P. amussitata Rv. as a distinct spe- cies. The form I at one time called " nigrolineata var. divergens " is also merely a heavy, large toreuma. Helcioniscus nigrolineatus Reeve. Lischke, 1. c., I, pi. 8, f. 5-11 ; II, pi. 7, f. 1- 6. Enoshima (Stearns) ; Nagasaki (Lischke) ; Tsu-Shima (A. Ad.) ; Toba, S.-E. of Nippon (St. John). The curious variety with vermiculate blackish concentric lines (Lischke, pi. 8, fig. 10) was also collected by Mr. Stearns. [NOTE. Helcioniscus exaratus and Patella dypeaster have been reported from Japan, but on insufficient evidence ; a specimen of H. testudinarius L. was brought from Japan by Mr. Stearns, but it probably was not native there]. AMPHINEURA. LEPIDOPLETJKIDJE. Lepidopleurus fuliginatus Adams & Reeve. Pilsbry, Man. Conch., XIV, p. 10. Corea (Ad.). Lepidopleurus concinnus Gould. Pilsbry, Man. Conch., XIV, p. 11. Hakodate, on stones and shells (N. P. E. E.). Lepidopleurus (Deshayesiella) curvatus Carpenter. Pilsbry, Man. Conch., XIV, p. 16. Okosiri (A. Ad.). ISCHNOCHITONID^:. Chaetopleura asperior Carpenter. Man. Conch, xv, p. 74, pi. 15, f. 38-41. Tonicella marmorea Fabr. Pilsbry, Man. Conch., XIV, p. 41. Northern Japan. Tonicella submarmorea Midd. Pilsbry, Man. Conch., XIV, p. 42. Catharina submarmorea Dkr., Index, p. 159. Ch. insignis Rve. 8 114 JAPANESE MOLLU8KS, POLYPLACOPHORA. Tonioella lineata Wood. Pilsbry, Man. Conch., XIV, p. 42. Northern Japan. Trachydermon (Spongioradsia) multidentatus Cpr. Pilsbry, Man. Conch., XIV, p. 85 ; XV, p. Bonin Is. (N. P. E. K). Ischnochiton (Stenoradsia) lindholmi Schrenck. Schr., Reisen im Ainurlande, II, p. 288, pi. 12, f. 9-16 ; Pils., Man., XIV, p. 85. Bay of Hakodate (Schr.). I have not seen this species. Ischnochiton comptus Gould. Pile., Man. Conch., XIV, p. 117. Ooshima, Bonin and Liukiu Is. (Stirap.). Ischnochiton (Lepidozona) mertensi Midd. Pils., Man. XIV, p. 125. Reported from Hakodate by Dkr., Index, p. 158. Ischnochiton (Lepidozona) coreanicus Adams A Reeve. A. A R., Voy. Samarang, pi. 15, f. 9; Pils., Man. Conch., XIV, p. 129. Corean Archipelago, under stones (Ad.) ; Bay of Hakodate (Schrenck). Ischnochiton (Lepidozona) craticmlatus Gould. Pils., Man. Conch., XV, p. 84 pi. 17, f. 62, 63. China Seas or Japan. (N. P. E. E.). Type is in U. S. Nat. Museum. Ischnochiton cultratus Carpenter. Pils., Man. Conch., XV, p. 82, pi. 17, f. 57-59. Hakodate (N. P. E. E.). Type is in U. S. Nat. Museum. Ischnochiton (Isohnoradsia) hakodadensis Carpenter. Pils., Man. Conch., XIV, p. 147, pi. 19, f. 64-66. Hakodate (N. P. E. E.). Type is in Mus. Phila. Acad. Ischnoohiton (Isohnoradsia) albrechti Schrenck. Pils., Man. Conch., XIV, p. 147, pi. 19, f. 70-74. Lepidoradia granojiloaa Cpr. Hakodate (Schreuck) ; Endermo Harbor (St. John, Smith). Callistochiton jacobaeus Gould. Pils., Man. Conch., XIV, p. 267. Simoda (N. P. E. E.). Nuttallina alternata Sowerby. Pils., Man. Conch., XIV, p. 281. Japan (Cuming). JAPANESE MOLLUSKS, DENTALIID^E. 115 MOPALIIDJE. Mopalia middendorffii ^chrenck. Pils., Man. Conch., XIV, p. 301. Bay of Castries (Schr.). Placiphorella stimpsonii Gould. Pils., Man. of Conch., XIV, p. 307, pi. 62, f. 84- 87. Hakodate Bay, in 25 fms. (N. P. E. E.). ACANTHOCHITID2E. Acanthochites rubrolineatus Lischke. Lischke, Jap. Meeres-Conch., Ill, p. 73, pi. 5, f. 12; Pils., Man., XV, p. 18. Nagasaki (Lischke) ; E. coast of Japan (Stearns). Acanthochites achates Gould. Gld., Otia, p. 118. Kikaia and Hakodate Bay (N. P. E. E.). Acanthochites defilippii Tapparone-Canefri. Pils., Man. Conch., XV, p. 19. Stectoplax porrecta Cpr. mss. Yokohama ("Magenta"). Acanthochites circellatus Adams & Reeve. Rve., Conch. Icon., f. 180. I. of Quelpart, Corean Archipelago (Ad.). Acanthochites scutiger Adams . Midd., Sib. Reie. II, pi. 25, f. 11-14. Ochotch Sea (Midd.). Cryptomya elliptioa A. Ad. Dkr., Index, pi. 7, f. 17-19. Mososeki (Ad.). Cryptomya mindoroensis Ads. A Rve. Zool. Samarang, p. 82, pi. 23, f, 13. Akasi (Ad.). Cryptomya deourtata A. Ad. Ann. Mag., 1868, p. 366. Kuro-Shima (Ad.). (Mactracea). MESODESMATIDJE. Paphia striata Chemn. Japan (Dkr., Index, p. 195). Ervillia japonioa A. Ad. Ann. Mag. N. H., 1862, p. 224. Tsu-Shima (Ad.). Ervillia bisculpta Gould. Otia Conch., p. 166 ; (syn. : E. australis Angas, P. Z. S., 1877, p. 175, pi. 26, f. 21). Kagoshima, 5 fath., sand (Stimpson). Ervillia livida Old. Otia Conch., p. 166. Kagoshima Bay, 5 fath., sand (Stimp.). Caecella chinensis Desh. Lischke, J. M. C., I, p. 133, pi. 10, f. 5, 6. Nagasaki (Lischke). Donacilla piota Dkr. Index, p. 195, pi. 7, f. 7-10. CABDILIIDJE. Cardilia semisulcata Desh. Dkr., Index, p. 213, pi. 8, f. 1-3. Bay of Yedo (Lischke). MACTEIDJE. Mactra sulcataria Deshayes. C. Icon., f. 5. Nagasaki and Tokyo Harbor (Lischke) ; Yokosko Harbor and Sagami Bay (Stearns) ; Hakodate (Schrenck). JAPANESE MOLLUSKS, MACTRACEA. 119 Mactra ornata Gray. C. Icon., f. 58. Japan (Dkr.). Mactra spectabilis Lischke. J. M. C., II, p. 120, pi. 11, f. 1, 2. Kiushiu (Lischke) ; Inland Sea (Stearns). Mactra veneriformis Deshayes. C. Icon., f. 2 ; Conchyl. Cab., p. 63, pi. 22, f. 3, 8a. Kiushiu, Tokyo Harbor (Lischke). Numerous young specimens taken by Stearns. Mactra veneriformis var. zonata Lischke. J. M. C., II, p. 121, pi. 9, f. 7, 8. Bay ofYedo. Mactra lurida Phil. Abbild. II, p. 136, pi. 3, f. 3. Luchu Is. Mactra crossei Dkr. Index, p. 183, pi. 7, f. 1-4. Tokyo (Rein). Mactra bonneaui Bernardi. Journ. de Conch., 1858, p. 92, pi. 2, f. 2. Strait of Tartary (Bern.) ; Coast of Prov. Kii (Stearns). It is very like M. veneroides. Mactra straminea Dkr. Index, p. 183, pi. 7, f. 5, 6. Japan (Dkr.). Mactra sachalinensis Schrenck. Amurlandes Moll., p. 575, t. 23, f. 3-7 ; (Syn. : M. luhdorfii Dkr., Novit. Conch., p. 60, pi. 20, f. a, c. Hakodate, used very commonly for food (Stearns, et at). Spisula grayana Schrenck. Phil., Abbild., I, p. 165, pi. 1, f. 1, as M. ponderosa, Ochotch Sea (Midd.). Eaeta pulchella Adams & Rve. Zool. Samarang, pi. 23, f. 1 ; (Syn. Jf. rostralis Desh., C, Icon., VIII, Mactra, f. 119). Off Yokohama in 8 to 14 fathoms (Chall.) ; Yokohama (Stearns). Eaeta pellicula Desh. C. Icon., f. 124. Japan (Cuming). Eaeta yokohamensis n. sp. PI. Ill, figs. 4, 5. Shell small, thin, fragile, white, inflated, ovate-triangular ; beaks somewhat posterior. Anterior end broad, rounded, posterior end very narrow, triangular ; beaks and dorsal slopes of valves coarsely concentrically corrugated ; median and lower portion of valves smooth. Lunule large ; chondrophore small, but little projecting. Adductor and pallial impressions not distinguishable. Length 17, alt. 12, diam. 8J mm. Yokohama (Stearns). 120 JAPANESE MOLLU8K8, 8OLENACEA. Eastonia (Merope) aegyptiaca Chemn. Japan (Dkr.). Tresui nuttalli Conrad. Midd., Mai. Ross., Ill, pi. 19, f. 1-4 (maxima Midd.). Yedo (Lischke); Hakodate (Stimp.) ; Yokohama Bay (Stearns). Lutraria maxima Jonas. C. Icon., Lutraria, f. 11. Nagasaki (Lischke). Lutraria arcuata Desh. C. Icon., f. 6. Japan (Dkr.). Lutraria sieboldi Desh. C. Icon., VIII, f. 15. Japan (Cuming). Lutraria lucida Gld. Otia Conch., p. 168. Kagoshiraa (Stimpson). (Solenacea). SOLENIDJE. Solen grandis Dunker. Novit. Conch., p. 71, pi. 24, f. 5. Nagasaki (Lischke) ; Japan (Stearns). Solen linearis Chemnitz. Conchyl. Cab., p. 23, pi. 9, f. 4. Japan (Dunker). Solen oornens Lamarck. Conchyl. Cab., p. 9, pi. 3, f. 8, 9. Japan (Dunker). Solen gouldii Conrad. Dkr., Index, p. 173, pi. 16, f. 11. Nagasaki, Hakokate (Stearns) ; Enoshima. Solen sicarius Gould. Conchyl. Cab., p. 24, pi. 9, f. 1. Japan Sea (Dunker). Solen gracilis Old. Otia Conch., p. 165 ; C. Icon., XIX, pi. 4, f. 17. Hakodate, sandy beaches (Stimpson). Solen strictus Gld. Otia Conch., p. 165. Hakodate Bay (Stimpson). Solen incertus Clessin. Conchyl. Cab., p. 31, pi. 12, f. 8. Hakodate (?). Solen krusengternii Schrenck. Reisen im Amurl., II, p. 594, pi. 25, f. 9-12. Hakodate (Schrenck) ; Akashi Bay (Stearns). Cultellus attenuatus Dkr. Novit. Conch., p. 72, pi. 24, f. 4. Japan (Dkr.). Cultellus marmoratus Dunker. Index, p. 174, pi. 7, f. 24. Japan (Dkr.). JAPANESE MOLLUSKS, TELLINACEA. 121 XJultellus philippianus Bunker. Index, p. 174, pi. 7, f. 23. Japan (Dunker). Cultellus cultellus Linne. Bay of Yedo (Lischke). Siliqua pulchella Dunker. Novit. Conch., p. 20, pi. 6, f. 4, 5. Kiushiu and Bay of Yedo (Lischke) ; between Tokyo and Ooshima (Stearns). •Siliqua japonica Dunker. Conchyl. Cab., p. 63, pi. 18, f. 5. Japan (Dkr.). Is it identical with the preceding ? Siliqua sodalis Gld. Otia Conch., p. 165. Hakodate Bay (Stimpson). Siliqua minima Gmelin. Conchyl. Cab., p. 68, pi. 5, f. 1, 2. (Syn. : S- albidus A. & R., Zool. Samarang, pi. 23, f. 15). Japan Sea (Dunker). Solecurtus constrictus Lamarck. Dkr., Index, pi. 7, f. 25. Japan (Dkr.). .Solecurtus (Macha) divaricata Lischke. Dkr., Index, p. 175, pi. 7, f. 26; Lischke, J. M. C., I, p. 142, pi. 10, f. 1, 2. Nagasaki (Lischke) ; Inland Sea ; Enoshima (Stearns). (Tellinaeea). DONACIDJE. Donax australis Lam. Roemer, Monogr. Donacidse, pi. 17, f. 4-6. Boshiu (Stearns). Most of the specimens are deep purple within, like Homer's figure of D. deshayesii Dkr. Donax bicolor Gmelin. Conchyl. Cab., pi. 16, f. 12-16. Nagasaki (Lischke) ; Yokohama (Martens). These localities probably pertain to specimens which agree with Reeve's figures, and are, according to Bertin, D. australis. Donax dysoni Deshayes. C. Icon., VIII, f. 54. Nagasaki, Tokyo Harbor (Lischke) ; Yokohama Harbor (Mar- tens). Donax introradiatus Reeve. C. Icon., f. 65 ; Conchyl. Cab., p. 75, pi. 13, f. 5-8. Japan (Homer). Donax semigranosus Dkr. Index, p. 193, pi. 7, f. 14, 15, 16 (1882). Japan (Dkr., Stearns). Some specimens are yellow outside ; but the prevailing form is yellow-stained white, with blue markings toward the beaks, and more or less purple inside. I am disposed to believe this species a color variety of D. proximus Bertin. 122 JAPANESE MOLLU8K8, TELLINACEA. Donaz proximus Berlin. Nouv. Arch, du Mus., 1881, p. 100, pi. 3, f. 2 a, c. Japan (Allart, Stearns). PSAMMOBIID.E. Asaphis deflorata Linn.'. It is doubtful whether the oriental species is really Linnaeus' form, which may be the same as the West Indian species A. coccinea Mar- tyn. If this be the case, the East Asian Asaphis may be more prop- erly called A. ruyosa Lam. Stearns procured specimens in Japan (exact locality unknown), and in the Loo Choo group. Psammobia bipartita Phil. Conch. Cab., VI, p. 100, pi. 10, f. 92. Bay of Yedo (Lischke, P. ccerulescens). Psammobia occidens Chemn. C. Icon., f. 11. Japan (Dkr.). Psammobia oriens Desh. C. Icon., f. 1. Japan (Dkr.). Psammobia ornata Desh. C. Icon., f. 26. Bay of Yedo (Lischke). Psammobia corrugata Deah. C. Icon., f. 9. Japan (Dkr.). Psammobia radiata Dkr. Abbild., I, p. 94, pi. 2, f. 5 (P. amethystus Rve.. C. Icon., f. 19). Japan (Dkr.). Soletellina ohinensis Chemn. C. Icon., f. 9, as S. truncata. Japan (Dkr.). Soletellina boeddinghausi Lischke. J. M. C., II, p. 118, pi. 9, f. 9. Nagasaki (Lischke) ; Inland Sea (Stearns). Soletellina violaoea Lam. C. Icon., f. 4. Nagasaki (Lischke). Soletellina dephos Linne. Conchyl. Cab., VI, p. 68, pi. 7, f. 53, 54. Japan (Dkr.). Soletellina moesta Lischke. J. M. C., Ill, p. 99, pi. 8, f. 4-6. Yedo (Lischke). One specimen collected by Stearns measures 38 mm. long. Soletellina atrata Desh. C. Icon., f. 14. Tokyo (Dkr.). Soletellina olivacea Jay. J. M. C., I, p. 131 ; III, p. 98, pi. 8, f. 7-12. Nagasaki (Lischke) ; Bay of Yedo (Perry) ; near Sakai, Inland Sea (Stearns). Soletellinajaponica Desh. C. Icon., f. 16. Japan (Siebold). Soleteilina nuttalli Conr. Journ. Acad. N. S. Phila., 1837, pi. 17, f. 6 ; Psam. decora Hinds, Voy. Sulphur, pi. 9, f. 6, 7. Bay of Yedo (Lischke) ; Hakodate (Schrenck, Stimpson). JAPANESE MOLLU8K8, TELLINACEA. 123 SEMELIDJE. Semele zebuensis Hanley. C. Icon., VIII, Amphidesma, f. 25. Japan (Dkr.). Semele sinensis A. Ad. Ibid, f. 28. Japan (Dkr.). Semele californica A. Ad. Ibid, f. 19; Schrenck, Ainurl. Moll., pi. 22, f. 10. Strait of Tartary. Semele hanleyi Angas. P. Z. S., 1878, p. 859, pi. 54, f. 1. Japan (Belcher). Semele duplicata Gld. Otia Conch., p. 166. Kagoshima Bay, 6 fath., sand (Stimp.). Theora lubrica Gld. Dkr., Index, p. 181, pi. 7, f. 20-22. Hakodate Bay, in 6 fath., mud (Stimpson). Theora iridescens Hinds. Chall. Lamell, XIII, p. 89, pi. V, f. 6, 6f. Yobuko (A. Adams). Theora fragilis A. Ad. P. Z. S., 1855, p. 226. Japan. Endopleura nitida Gld. Otia, p. 162. Japan (A. Ad.). lacra japonica A. Ad. Ann. Mag. N. H., 1864, p. 308. Oki-no-Shima (Ad.). Leptomya spectabilis Hanley. P. Z. S., 1882, p. 576; Jour. Lin. Soc., XVI, 1883, pi. 12, f. 7. Japan ? (Mus. Hanley). Leptomya cochlearis Hinds. Goto, Seto-Uchi (A. Ad.). Leptomya adunoa Gld. (Scrobicularia). Otia, p. 167. Tsu-Shima (Ad.). TELLINIDJE. Tellina perna Spengl. Japan (Dkr., Stearns). Tellina vulsella Chemn. C. Icon., f. 56. Kiushiu and Bay of Yedo (Lischke) ; Japan (Stearns). Tellina pulcherrima Sowb. Tank. Cat. App., pi. 1, f. 1. Bay of Yedo (Lischke). Tellina staurella Lam. Japan (Stearns). Kiisters' Conchyl. Cab., Tellinidse, p. 19, pi. 2,f. 11-13 ; pi. 7, f. 6-8. " T. eruciata Spengl,". Tellina galatea Lam. Abbild., I, p. 71, pi. 1, f. 1 ( T. sericina). Tellina diaphana Desh. Conchy!. Cab., p. 47, pi. 13, f. 7, 8, 9. Nagasaki (Birileff). 124 JAPANESE MOLLUSKS, TELLINACEA. Tellina ovalis Sowb. C. Icon., f. 105. Bay of Yedo (Lischke). Tellina jedoensis Lischke. J. M. C., Ill, p. 92, pi. 9, f. 1-3. Bay of Yedo (Lischke) ; Kamakura (Stearns). Tellina rosea Spongier. Conchyl. Cab., p. 57, pi. 16, f. 1, 2, 3. Hakodate (Schrenck). Tellina compressissima Reeve. C. Icon., f. 328. Japan. Tellina venulosa Schrenck. (lutea Gray). Conchyl. Cab., p. 121, pi. 28, f. 8-10; Midd. Sib. Reise, pi. 21, f. 2, 3. Hakodate and northward (Schrenck). Tellina nux Hanley. Thes., I, p. 251, pi. 56, f. 33. Deshima (Dkr.). Tellina lubrica Gld. Otia Conch., p. 167. Hakodate Bay, 6 fath., mud (Stirap.). Gastrana yantaiensis Crosse A Debeauz. J. C., 1863, pi. 9, f. 2. Japan (Dkr.). Gastrana japonica v. Martens. Conchyl. Cab., p. 275, pi. 51, f. 5-8, 9. Yokokama Harbor. Aroopagia siamensis Martens. P. Z. S., 1860, p. 18. Inland Sea (Stearns). A short form. Macoma nasuta Conrad. Conchy]. Cab., p. 229, pi. 44, f. 5-8. Hakodate. Macoma inquinata Desh., T. incongrua v. Martens. J. M. < '.. II, pi. 10, f. 12, 13 Yokohama Bay, Yedo, Nagasaki (Lischke) ; Prov. Kii (Stearns). Tellina (Angulus) nitidula Dunker. Moll. Jap., p. 27, pi. 3, f. 14; J. M. C., II, pi. 10, f. 10, 11. Nagasaki (Lischke) ; Deshima (Dkr.) ; Yokohama (Martens) ; Kamakura (Stearns). Tellina rhomboides Q. & G. Astrol., Ill, p. 502, pi. 81, f. 4-7. Bay of Yedo. Tellina (Angulus) pallidula Lischke. J. M. C., II, p. 114, pi. 10, f. 6, 7. Nagasaki (Rein). Tellina rutila Dkr. Moll. Jap., p. 27, pi. 3, f. 6. Deshima (Dkr.) ; Yokohama (Stearns) ; Nagasaki (Birileff ). Tellina iridella v. Martens. J. M. C., II, p. 114, pi. 10, f. 8, 9. Nagasaki and Tokyo Bays (Lischke) ; Kamakura (Stearns). JAPANESE MOLLUSKS, VENERACEA. 125 Tellina iridescens Bens. Thes., I, p. 286, pi. 58, f. 88. South Japan (Lischke). Tellina minuta Lischke. J. M. C., Ill, p. 94, pi. 9, f. 4-6. Bay of Yedo (Lischke). Tellina praetexta v. Martens. Conchyl. Cab., p. 239, pi. 45, f. 8-10. Yokohama Bay (Martens) ; Nagasaki, Yedo (Lischke) ; E. coast below Tokyo Harbor (Stearns). Macoma ala Hanley. Conchyl. Cab., p. 236, pi. 45, f. 5-7. Japan (Hanley). Macoma dissimilis v. Martens. J. M. C., II, p. 115, pi. 10, f. 15-17. Tokyo Bay (Martens). Macoma edentula Brod. et Sowerby. Conchyl. Cab., p. 224, pi. 43, f. 7-10. North Japan. Macoma truncata Jonas. Conchyl. Cab., p. 248, pi. 47, f. 4-6. Tokyo Bay (Lischke). Macoma praemitis Romer. Conchyl. Cab., p. 257, pi. 48, f. 7-9. Japan (Roemer, Stearns). Macoma inconspicua Broderip et Sowerby. Conchy]. Cab., p. 220, pi. 42, f. 7-10. Hakodate. Macoma lenticularis Sowb. C. Icon., f. 342. Japan. Macoma secta Conr. (T. japonica Desh). Bay of Yedo (Lischke) ; Sakai, Inland Sea (Stearns). ( Veneracea). GLAUCOMYIDJE, Glaucomya angulata Reeve. Odawara (Stearns). PETRICOLIDJE. Petricola japonica Dkr. Index, p. 209, pi. 9, f. 4-6. Kisenuraa (Dkr.). Petricola aequistriata Sowb. C. Icon., XIX, f. 19. Hamagoi, Boshiu (Stearns). VENEEID2E. Dosinia japonica Reeve. C. Icon., f. 17. Hakodate (Schrenck) ; Yedo (Lischke). Dosinia troscheli Lischke. J. M. C., Ill, p. 89, pi. 8, f. 1-3. Inland Sea (Stearns) ; Southern Japan (Lischke). 126 JAPANESE MOLLUSK8, VENERACEA. Losinia biscocta Reeve. C. Icon., f. 55. Seto-Uchi, Mososeki (A. Ad.). Dosinia gruneri Phil. Abbild., Ill, p. 23, pi. 8, f. 2. Japan (Dkr.). Dosinia bilunulata Gray. Roemer, Mon. Dosinia, in Novit. Conch., pi. 16, f. 1. Yokohama ; Sagama coast (Stearns) ; Bay of Yedo (Lischke). Dosinia laminata Reeve. C. Icon.,f. 14. Japan (Dkr.). Dosinia sieboldi Reeve. C. Icon., f. 39. Japan (Siebold). Dosinia serioea Reeve. C. Icon., f. 36. Seto-Uchi (A. Ad.). Dosinia angulosa Phil. Abbild., II, p. 229, pi. 6, f. 1 (Artemis penicillata Rve., C. Icon., f. 33). Tsu-Shima (Ad.). Dosinia traillii A. Adams. P. Z. S., 1855, p. 223. Yokohama (Ad.). Dosinia histrio Ginel. Goto (Ad.). Dosinia gibba A. Ad. Dkr., Index, p. 204, pi. 8, f. 4-6. Tatiyama (A. Ad.). Dosinia orbiculata Dkr. Index, p. 204, pi. 8, f. 12-14. Japan (Dkr.). Cyolina orientalis Sowerby. Conchyl. Cab., p. 113, pi. 28, f. 7-9. Yokohama (Stearns). Cyclina splendida Roemer. P. Z. S., 1860, p. 124. Japan (Cuming). Cyclina bombycina Roeraer. P. Z. S., I860, p. 124. Japan (Cuming). Cyolina flavida Desh. Tsu-Shima (A. Ad.). Cyolina chinensis Chemn. C. Icon., f. 6. Yokohama (Dkr.) ; Nagasaki, Yedo (Lischke) ; Tsu-Shima (Ad.). Lucinopsis divaricata Lischke. J. M. C., Ill, p. 90, pi. 7, f. 12-14. Yedo, (Lischke). Lucinopsis decussata Phil. Enum. Moll. Sicil., I, p. 22, pi. 3, f. 5. Japan (Dkr.). Meretrix meretrix Linne. Conchyl. Cab., p. 15, pi. 3, f. 4, 5, 6, 8. 9. Yedo, Hakodate, Yokohama (Lischke). Meretrix morphina Lam. Nagasaki, Simoda, Yokohama (A. Ad.). JAPANESE MOLLUSKS, VENERACEA. 127 Meretrix lusoria Chemn. Nagasaki (Lischke) ; East coast, from Tokyo to Idzumi (Stearns). Meretrix (Callista) limatula Sowb. Japan (Dkr.). Meretrix (Callista) festiva Sowb. Japan (Dkr.). Meretrix (Callista) chinensis Chemn. S. coast of Kii (Stearns) ; Nagasaki (Lischke). Meretrix (Callista) squalida Sowb. Northern Japan (Schrenck). Meretrix (Callista) pannosa Sowb. Northern Japan (Schrenck). Meretrix (Callista) inflata Sowb. Japan (Dkr.). Meretrix (Callista) indecora Phil. Roemer, Monogr., I, p. 81, pi. 24, f. 1. Nagasaki (Birileff). Lioconcha fulminea Bolt. Japan (Dkr.). Lioconcha ornata Dillw. Japan (Dkr.). Tivela damaoides Gray. Dkr., Index, p. 200. Oki-no-Shiraa (Ad.). Tivela radiata Sowerby. Tartary Strait (Schrenck). Sunetta excavata Hanley. Bay of Yedo and coast of Kiushiu (Lischke) ; Satanomosaki and Kuro-Shima (A. Ad.) ; Hakodate (Schrenck) ; Yokohama, Kama- yama, Seta coast (Stearns). Sunetta menstrualis Menke. Conchyl. Cab , p. 85, pi. 29, f. 10-12. Japan (Reeve). dementia papyracea Gray. Sowerby, Thes. Conch., p. 700, pi. 151, f. 155. Japan (A. Adams and Dkr.). dementia similis Sowb. Thes., II, p. 700, pi. 151, f. 154. Tatiyama (Ad.). Venus (Mercenaria) stimpsoni Gld. Otia Conch., p. 169. Hakodate, 6 fath. (Stimpson). Venus toreuma Gld. Expl. Exped., f. 537. Nagasaki (Lischke) ; Goto Is. and Satanomosaki (Ad.). Venus jedoensis Lischke. Jap. Meeres-Conch., Ill, pi. 7, f. 1-9. Bay of Yedo (Lischke) ; Yokohama (Stearns). Venus lamellaris Schumacher. Conchyl. Cab., p. 142, pi. 8, f. 10, 11. Japan (Dkr.). Venus resticulata Sowb. Thes., II, p. 706, pi. 153, f. 23. Japan (Dkr.). Venus reticulata Linne. Japan (Dkr.). 128 JAPANESE MOLLU8K8, VENERACEA. Venus puellula Gld. Otia Conch., p. 169. Oushiraa (Stimp.). Cryptogramma squamosa Linne". Thes., II, pi. 156, f.83, 84. Cnpe Nomo, Kiushiu (Ad.). Cryptogramma roemeri Dkr. Moll. Jap., p. 26, pi. 3, f. 10. Deshima (Nuhn) ; Nagasaki (Lischke). Chione marica Linne". C. Icon., Venus, f. 104. Nagasaki (Lischke) ; Tsu-Shima, Mososeki (Ad.). Chione crenifera Sowb. Seto-Uchi (Ad.). Chione intersecta Sowb. Seto-Uchi (Ad.). Chione striata Chemnitz. Conchyl. Cab., p. 127, pi. 5, f. 12-14. Japan Sea. Chione astartoides Beck. Northern Japan (Shrenck). Chione foliacea Chemn. Abbild., II, pi. 5, f. 1. Bay of Yedo (Lischke). Chione isabellina Phil. Japan (Dkr.). Chione calophylla Phil. Japan (Dkr.). Chione oardioides Lain. Oki-no-Shima (Ad.). Chione histrionica Brod. A, Sby. Hakodate (Ad.). Chione scabra Hanley. Between Is. of Sikoku and Nippon, 50 fathoms, and Kobe", 8-50 fathoms (Challenger). Chione roscida Gld. Otia Conoh., p. 169. Oushima, 15 fath., sand (Stimp.). Chione undulata Born. Between Is. of Sikoku and Nippon, 50 fathoms, sand hottom (Chal- lenger). Circe scripta Linne. Dunker, Index, p. 201. Kishiu (Stearns). Circe divaricata Cheran. Inland Sea (Stearns). Circe aequivoca Chemn. Simidsu (A. Ad.). Circe dispar Chemn. Roemer, Venus, p. 184, pi. 50, f. 1. Nagasaki (Lischke) ; Tago, Kino-o-Shima (Ad.). Circe gibbia Lam. Japan (A. Ad.). Gouldia dilecta Gld. Otia Conch., p. 170. Kagoshima (Stimp.). JAPANESE MOLLUSKS, VENERACEA. 129 Venerupis monstrosa Chemn. Japan (Dkr., Stearns) ; Bay of Yedo (Lischke) ; Tsu-Shima, Kino-o-Shima (Ad.). Venerupis irus Linne. Japan (Dkr., Stearns). Venerupis semipurpurea Dkr.'Index, p. 208. Nemoto, Boshiu (Stearns). Hardly distinct from Japanese speci- mens referred to the preceding species. Venerupis insignis Desh. Japan (Dkr.). Venerupis exotica Lam. Delessert, Recueil, pi. 5, f. 3. Japan (Dkr.). Venerupis macrophylla Desh. Japan (Dkr.). Tapes exaratus Phil. Abbild., II, p. 109, pi. 5, f. 6. Kuro-Shima (Ad.). Tapes liratus Phil. Abbild., Ill, p. 76. pi. 7, f. 5. Japan (Dkr.). Tapes sulcarius Lam. Japan (Dkr.). Tapes undulatus Born. Abbild., Ill, pi. 7, f. 7 (V. rimosa). Bay of Yedo (Lischke) ; Tatiyama (A. Ad.). Tapes euglyptus Phil. Abbild., Ill, p. 76, pi. 7, f. 3 j J. M. C., Ill, p. 80, pi. 6, f. 8-11. ' Nagasaki (Lischke) ; Inland Sea (Stearns). Tapes schnellianus Dkr. Lischke, J. M. C., Ill, p. 80, pi. 6, f. 1-4; Dkr., Novit. Conch., p. 75, pi. 25, f. 7-9. Nagasaki, Yedo (Lischke) ; Inland Sea (Stearns). Tapes amabilis Philippi. J. M. C., Ill, p. 82, pi. 6, f. 5-7. Tago (Adams) ; Shidaka coast (Stearns). Some specimens are marked with from two to four radial series of purple-brown blotches. Tapes vernicosa Grid. Otia Conch., p. 168. Kagoshima Bay and off Hakodate Cape, 20 fath., coarse sand (Stimp.) ; Tatiyama (A. Ad.). Tapes greeffei Dkr. Index, p. 207, pi. 8, f. 15-17. Kagoshima (Dkr.). Tapes semirugata Phil. Abbild., Ill, p. 76, pi. 7, f. 4. Near Sakai, Inland Sea (Stearns). 9 130 JAPANESE MOLLUSKS, VENERACEA. Tapes punctata Chemnitz. Japan (Stearns). Several specimens agreeing well with Reeve's fig. 16a ("radiata"). Tapes philippinarum Adams p. 26, pi. 6, figs. 51-60. Kobashima Is. 1 live shell. 180 LOO CHOO MOLLUSKS. Umbonium giganteum Less. Yaeyama. 122 shells, color variety C ; of color variety D 27 ; of color variety E (ater Pilsbry) 38 ; of color variety F 4 ; of color variety H 4 ; of color variety K (new or not before obtained, sur- face pinkish with brown blotches and clouds) 40 shells. Umbonium superbum Gld. Yaeyama. Color varieties. 15 shells. Ethalia guamense Quoy.* Chrysostoma paradozum Born.* Delphinula delphinula Linn6.* Tryon, Man. Vol. 10, p. 266, pi. 67, figs. 1, 2. Nago Is. 42 mature shells, no opercula. Native name, Fusa-kabe, bora. STOMATIIDJE. Stomatia phymotis Helbling.* Ohon-me Is. HALIOTIDJE. Haliotis gigantea Chomn. Hirame Jiraa Is. 4 large and 1 small shell. Haliotis (Padollus) ovina Chemu.* Kobashima Is. 16 large shells, and var., 1 shell. Haliotis (Teinotis) asinina Linn. Hirame Jima Is. Native name, Awabi, 110 shells. ACMJEIDJE. Aomeea sacoharina Linn.* Yaeyama. PATELLIDJE. Helcioniscus nigrosquamatus Rve.* Yaeyama. 58 live shells. Native name, Seuen-gai (may you live a thousand years shell). Helcioniscus testudinarius Linn. Yaeyama. PELECYPODA. MACTEIDJE. Mactra maculata Gmel.* Yaeyama. Tresus nuttalli Conr. Yaeyama. 2 large, live shells. LOO CHOO MOLLUSKS. 181 P3AMMOBIID.E. Psammobia elongata Lam.* Yaeyama , Oshima. Asaphis violacea Forskal.* Kudaka Is. Asaphis deflorata Linne.* Yaeyama; Kudaka Is. TELLINIDJE. Tellina staurella Lam.* Yaeyama. Native name, Luna-gai, beach sand-shell. Tellina staurella Lam. var. scalaris Lam.* Kobashima Is. Tellina virgata L. var. jubar Hanley.* Yaeyama. Tellina scobinata Linn.* Kudaka Is. Tellina perna Spengler.* Yaeyama. Tellina rugosa Born.* Yaeyama. Tellina chloroleuca Lam.* Yaeyama ; Kobashima Is. Native name, Luna-gai, beach sand- shell. Tellina sp.* Ohon-me Is. VENEBIDJE. Venus reticulata Linn.* Yaeyama. Venus puerpera Linn.* Kobashima Is. ; Katsume-Jima. Venus listeri Gray.* Yaeyama. Cytherea castrensis Linn.* Yaeyama. Cytherea (Crista) gibba Linn.* Yona-Guni. Cytherea (Crista) pectinata Linn.* Kobashima Is. Cyclina sinensis Grnel.* Yaeyama. Tapes literata Linn.* Kudaka Is. Tapes literata var. punctata Chemn.* Kudaka Is. Tapes striata Chemn.* Yaeyama. TRIDACNIDJE. Tridacna squamosa Lam. Itoma Jima Is. 1 large shell, 13" long, 8" broad, 9" thick. Upon this are are growing 2 Chama (sp. undet). Native name, Aji-gai. Such shells are used in the Loo Choos for making domestic utensils. Tridacna gigas Lam. Itomo Jima Is. 1 large shell, 13" long, 9" broad, 81" thick. Na- tive name, Aji-gai. 182 LOO CHOO MOLLU8K8. Tridacna squamosa Lam. Itoma Jima Is. 13 young shells, 4" to 3i" long. Tridacna crocea Lam. (=T. scapha Meusch.). Itoma Jima Is. 15 shells, from 5" in length down to 3*" Tridacna elongata Lam. Itoma Jima Is. . 26 shells, 1-9" long, the rest from 6" down to 3" in length. Native name, Aji-gai. Tridacna elongata Lam. Var. smaller than the type ; more elongated and carved at the basal opening. 13 specimens, from 6" to 3" long. Hippopus maculatus Lam. Itoma Jima. 9 shells, from 6i" to 4" long. CARDIIDJE. Cardium flavum Linn.* Cardium rugosum Lam.* Yaeyama. Cardinm (Serripes) muticum Kve. Yaeyama. 6 large shells. Hemicardium cardissa Linn. Hirame Jima Is. 47 fine live shells, from 7 cm. down to 4 cm. Native name, Avi-gai, so named after the leaf of the Avi plant, which is the crest of the Tycoon. Hemicardium unedo Linn.* Ohon-me Is. CORBIDJE. Corbis LUCINID2E. Lucina exasperata Reeve.* Yaeyama Is., Loo Choo group. Shell externally like L. exasperata, but less compressed, the diam- eter half the length, with wider lunule. Interior having the surface within the pallial impression most minutely roughened, outside of the pallial impression polished and shining. Length 80, width 74, diam. 40 mm. . Length 50, width 40 A, diam. 24£ mm. Of this form, two specimens are before us, the smaller one from Okinawa Island (Yaeyama), the larger procured in Japan, locality unknown. The smaller shell is yellow within, with a white border, LOO CHOO MOLLUSKS. 183 the hinge-margin red except the cartilage-pit and the plate below it. The larger specimen is a very faint buff within the pallial line, with a faint pink tint on the hinge. Luoina interrupta Lam.* Kudaka Is. Lucina punctata Linn.* Yaeyama. CHAMID.ZE. Chama semipurpurata Lischke (?).* Oshima Is. Chama lazarus Lam.* Kudaka Is. ; Oshima Is. Chama divaricata Rve.* Kudaka Is. ; Oshima Is. CYBENID.E. Corbicula sp. undet.* Yaeyama. Cyrena fissidens n. sp. PI. VIII, figs. 5, 6. Shell resembling C. sinuosa as figured by Clessin (Conch. Cab., pi. 45, f. 1), but the posterior lateral tooth and corresponding pit much slender and somewhat longer, the posterior cardinal tooth in right valve split by a sulcus much broader than the space between the posterior and the next adjacent cardinal teeth. Valves orbi- cular, very convex, lightly wrinkle striate, and covered with a black cuticle. Posterior slope depressed, with a radiating wide and shal- low furrow, rendering the margin slightly emarginate. Dorsal, anterior and basal margins well rounded ; posterior margin obliquely subtruncate. Length 86, breadth 77, diam. 49 mm. Yaeyama Is., Loo Choo group. A single specimen collected. Cyrena luchuana n. sp. PI. IX, figs. 4, 5. Shell large, inequilateral, oblong, the anterior end short, broadly rounded, posterior end long, produced, and squarely truncated ; basal margin gently arcuate, dorsal margin narrowly rounded at the beaks, the anterior slope short and nearly straight, posterior slope long, rectilinear. Valves strong, convex, the posterior dorsal area flat or concave, bounded by a blunt angle, another obtuse angle extending from beaks to lower-posterior extremity. Interior white, stained with buff-olive on the hinge. Cardinal teeth bifid ; ante- rior lateral very short and strong; posterior lateral long, remote from cardinals. Cuticle dull brown, with a yellow under color, ir- regularly wrinkle-striate, lamellose behind, and less so over the whole disk. Length 94, breadth 72, diam, 47 mm. Yaeyama Is., Loo Choo group (Frederick Stearns). 184 LOO CHOO MOLLUSKS. Cyrena yaeyamensis n. sp.* PI. VIII, fig. 7; pi. IX, fig. 6. Shell shorter than the preceding, being less produced posteriorly, the posterior surface not so distinctly angular, posterior truncation less marked ; anterior lateral tooth not so short. Anterior dorsal slope of hinge line straight, posterior dorsal slope slightly convex. Color and sculpture as in luchuana, except that there is usually some oblique corrugation of the posterior slope. Length 75, breadth 63, diam. 36 mm. Yaeyama Is., Loo Choo group (Frederick Stearns). This may prove to be a form of Cyrena papua, or of C. buschii Phil., of China, but it is more triangular, with the posterior margin more produced. MYTILIDJE. Mytilus crassitesta Lischke.* Yaeyama. Modiola philippinarum Hanley.* LIMIDJE. Lima lima Linn.* Yaeyama. SPONDYLIDJE. Spondylus ducalis Chemn.* Hirama Jima Is. Spondylis sinensis Sowb.* Hirama Jima I -. OSTRJEIDJE. Ostraea rivularis Old. (?)* Yaeyama. Ostraea cucullata Born.* Yaeyama. Ostraea hyotis Linn. Yaeyama. Ostraea denselamellosa Lischke.* Yaeyama. Ostraea cristagalli Linn.* Yaeyama. PTERIIDJE. Pteria macroptera Lam.* Throughout the Loo Choo group (Stearns). Some of the specimens collected attain great size, rivalling M. margaritifera. Pteria cochenhauseni Dkr.* (=A. flammata Reeve ? ) Itoma Jima Is. Pteria meleagridis (Spengl.) Chemn.* Itoma Jima Is. Perna (Meleagrina) margaritifera Linn.* Yaeyama. Malleus regula Forsk.* Yaeyama. LOO CHOO MOLLUSKS. 185 Malleus vulgaris Lam. In this species the valves are serpentine in their length. Malleus albus Lam. Yaeyama. In this species the valves are straighter than in the other. Altogether 21 fine specimens. PERNIDJE. Perna acutirostris Dkr.* Yaeyama. Perna isoguomum Linn.* Yaeyama. Perna costellata Conr.* Yaeyama. PINNIDJE. Pinna nigrina Lam.* ABCIDJE. Area scapha Chemn.* Yaeyama. Area (Scapharca) subcrenata Lischke.* Itoma Jima Is. ERRATA. P. 10. Add the following: Haminea binotata n. sp. Shell cylindric-oval, hardly wider below, truncated above, rounded beneath, thin, but rather solid, ruddy-corneous, with a small opaque- white spot at each end, that at apex bounded below, that at colu- mella, above, by an opaque orange or reddish tract, appearing only on the latter part of the whorl. Surface polished, with excessively fine and close spiral striae, and rather coarse growth wrinkles. Aperture rather narrow, moderately enlarged below. Outer lips rising slightly above the vertex, but by no means high-arched. Col- umella concave, short, with a lunate, reflexed, but free, not adherent, flange, but not fold. Apex closed or subperforate. Alt. ll,diam. 7 mm. Yaeyama, Loo Choo Is. (Stearns). Haminea binotata var. Japonica n. v. Shell like the above in coloration and sculpture, but smaller, thin and fragile, more swollen, the reflexed coluuiellar callus thinner and adnate to body. Alt. 9, diam. 6'2 mm. 186 LOO CHOO MOLLU8KS. Nemoto, Boshiu (Stearns). P. 13. Add the following : Conus flavidus Lamarck. Tryon Man. Conch. VI, p. 44. Japan, exact locality unknown (Stearns). The specimens are more square-shouldered than typical flavidus, in form and coloring more like Reeve's surgillatua, but I do not doubt their specific iden- tity. It has not before been reported from Japan. P. 16. Columbarium pagoda was collected by Stearns in the In- land Sea near Awaji. P. 25. Add : Mitra (Scabricola) punctolirata A. Ad. Goto. Is. (Adams). Mitra (Scabricola) itabella Swains, (-f morchii Ad. and herklot- siana Dohrn), Tryon, Manual, IV, p. 137. P. 49. Oniscia. The name of this genus should stand LAMBI- DIUM, as Smith has shown, Journal of Malacology, iv, p. 14. P. 53. For « Volvula " read Volva. P. 73. Add above Adeorbiida the following : Lamellariidce. Lamellaria punctata Stitnpson. Proc. Acad. Nat. Sci., Phila.r 1855, p. 378. Oushima (Stimp.). Described as Coriocella. P. 98. Add : Photinula (?) qucesita A. Adams. Man. Conch, XI, p. 281. Aniwa Bay. Tatiyama, Kino-o-sima, 17 fms. (Ad). P. 159. Add the following Unionidce: Unio Japanensis Lea. Paddy fields near Tokyo. Unio nipponensis Martens. Paddy fields near Kamakura. Dipsas plicatus Sol. Rice paddy fields, near Yokohama. Dipsas Reinianus Mart. Paddy fields near Yokohama. Anodonta cellensis Schrot. Odelawara. Anodonta Japonica Martens. Paddy fields near Sagama. Anodonta Woodiana Lea. Rice paddy fields near Yokohama. INDEXTO GENERA ANDSUBGENERA. A Astralium, 89, 179 rv Atilia, . 39 Acanthochites, Acila, Aclis, . .. 115 ... 151 '* 76 Atys, Auriculina, Avicula, . 8, 160 . 85 . 146 Acmsea, . 110, 180 Axmus, . . 133 Actseon, . 7 Actseopyramis, . 84 R Acusta, . . 163 LJ Adeorbis, . Admete, . Adula, Aegista, . Aesopus, . Agadina, . Alaba, . 73 . 22 . 140 157, 163 . 40 5 . 65 Barnea, . Basilissa, . Basterotia, Bathybembyx, Batillus, . Bela, . 116 . 96 . 118 . 97 . 88, 178 . 19 Alcyna, . A 1 * 1 . 95 Bertinia, . " . 11 Alicula, . Alvania, . Amathis, . . 66 . 82 Bittium, . Bolma, Buccinum, . 56, 57 . 89, 179 . 31 Amaura, . Amaurella, Amusium, Amycla, . 72 . 79 . 145 . 40 Bulbus, . Bulla, . Bullina, . . 46 . 10, 160 7, 160 Anatina, . ' . 138 Ancilla, . ' . 24 C Ancillaria=A.n cilia Angulus, . . 124 Csecella, . 118 Anodonta, . 186 Calliostoma, 99 Anomia, . . 141 Callista, . 127 Apicalia, . . 79 Callistochiton, 114 Aplysia, . . 10 Camitia, . 100 Area, 147, 185 Cancellaria, 21 Architeuthis, 4 Cantharidus, 95 Archytsea, . 73 Cantharus, 33 Arcopagia, . . 124 Capulus, . 69 Argonauta, 1, 160 Cardilia, . 118 Asaphis, . 122, 181 Cardiomya, 136 Aspergillum, ; . 136 Cardita, . 134 Assiminea, . 69 Cardium, . 131, 182 (187) 188 INDEX. Cassis, Cavolinia, 48, 170 5 Cuculkea, Cultellus, . 151 120 Cerithiopsis, Cerithium, . 57 55, 174 Cuspidaria, Cuvierina, ! 136 5 Cerostoma, Chsetopleura, Chama, . . 43 , 113 134, 183 Cyclina, . Cyclophorus, Cyclostrema, 126, 181 158, 175 . 102 Chione, . 128 Cylotus, , 158, 175 Chiton, . Chlorostoma, Chrysallida, Chrysodomus, Chrysostoraa, . 115 • . 93 . 82 • . 28 93, 180 Cylichna, Cylindromitra, Cyllene, . Cyphoma, Cyprsea, . 9 . 26 . 32 . 53 50, 171 Cingulina, • . 87 Cyrena, . . 183 Circe, • •. 128 Cyrilla, . 150 Citharopsis, . 20 Cytherea, . 181 Collonia, . . 90 [ Conradia, . 64 1 Corbula, . Clanculus, Clathurella, Clausilia, . Clava, . Clavagella, Clavatula, dementia, a in . 117 . 93 . 20 157, 163 56, 174 136 19 127 Daphnella, Delphinula, Deutalium, Desmoulea, Diala, Diplodonta, Dipsas, Disci nisca, 21 91, 180 115 37 65 132 186 154 10, Clithon, . Coelopoma, Columbarium, Col um bell a, Cominella, Conus, Coralliophaga, Coralliophila, Corbicula, 1 178 158 16, 185 38, 169 . 32 3, 164, 186 . 136 . 45 159, 183 Distorsio, . Distortrix, Dolabella, Dolium, . Donacilla, Donax, Dosinia, . Drillia, . Dunkeria, 47 47 10 49, 171 118 121 125 16 87 Couthouya, . 64 Crania, . . 154 Cranopsis, . 109 Crassatella, . 135 Eastonia, . . 120 Crassatellites, . . . 135 Ebala, . - . 76 Crenella, . . 141 Eburna, . 34, 168 Crepidula, . 70 Ecliinella, 62, 175 Creseis, . 5 Eglisia, . 76 Crossea, . . 76 Elusa, 82 Cryptochiton, . . 115 Emarginula, 109 Cryptogramma i . ' 128 Endopleura, 123 Cryptomya, . .r 118 Engina, . 40 INDEX. 189 Euida, . 7 . 96 Entodesma, X. 137 Erato, ; f PH| Erodona, . . 52 . 117 Hal i otis, . Haminea, Ervillia, . Ethalia, . Euchelus, . 118 100, 180 . 99 Harpa, Helcioniscus, Helicina, . Eudesia, . . 152 Helix, Euhadra, Eulima, . Eulimella, Eulota, Euthria, . Evalea, . 155, 161 . 77 . 86 155, 161 . 33 . 85 Hemicardium, Hemifusus, Hipponyx, Hippopus, Huxleya, . Hyalocylix, • Hydatina, . F I Fasciolaria, . ; 27, 166 Felania, . . 133 lacra, Fenella, . . 68 lanthina, . . Fissuridea, . 109 Infundibulum Fossarina, . 62 Inioteuthis, . Fossarus, . . 64 lolsea, Fusus, 26, 166 lopas, t Iravadia, . , Isapis, Ischnochiton, Ischnoradsia, t Galeomma, . 131 Ismenia, . . Ganesella, 157, 161 Isocardia, . Gastrana, . . 124 Gastrochsena, . . 117 Gen a, . 105 Genotia, . Gemma, . . 16 . 130 Jouannetia, . Gibbula, . . 95 Glaucomya, . 125 K Glomus, . . 150 i> Glycimeris, . 117 Kellia, Glyphis=Fi ss urid ea Glyph ostoma, . . 20 Kleinella, • Gomphina, . 130 Gonatus, . 4 Gotoina, . . 65 Gouldia, . ! . 128 Lachesis, . , Guildfordia, . . 89 Lacuna, . . Gyrineum, . 47 Lagena, . 105, 180 10, 185 24, 166 112, 180 . 158 155, 161 . 182 27, 168 70, 176 130, 182 . 150 5 10, 161 . 123 74, 176 92, 179 1 . 76 45, 169 . 68 . 64 . 114 . 114 . 153 130 117 131 87 . 19 62, 63 27, 168 190 INDEX. Lamellaria, . 186 Margarita, . 98 Lamprostoma, . . 92, 179 Marginella, . . 24 Laqueus, . . 153 Marmorostoma, . 89, 179 Lasea, . 132 Martesia, . 117 Latirus, . -. 27, 168 Megateuthis, . 4 Led a, f . 151 Megasella, . 153 Leiostraca, . 77 Melampus, . 158, 161 Lepeta, . . Ill Mel an i a, . . 158 Lepidopleurus, . 113 Meleagrina, . 147, 184 Leptoconchus, . . 46 Menestho, . ' . 87 Lepton, . . 132 Meretrix, . . 126 Leptomya, . 123 Merope, . . 120 Leptopoma, . 175 Minolia, . . 97 Leptothyra, . 89 Miralda, . . 86 Leucotina, 7 Mitra, 25, 166, 186 Lima, . 142, 184 Modelia, . . 89 Limacina, 4 Modiola, . . 139, 184 Limnaea, . . 158, 161 Modiolaria, . 140 150 IVTonilpfl Qfi Q7 Lingula, . . 154 Monodonta, * * ' . t7 f 7 . 93 Lioconcha, . 127 Montacuta, . 132 Liolophura, . 115 Mopalia, . . 115 Liothyrina, . 152 Mormula, . 83 Liotia, . 92 Mucronalia, . 79 Lippistes, . 104 Mumiola, . 84 Lischkeia, . 99 Murex, . 41, 169 Lithophaera. . 140 Mya, . 118 • Littorma, . 61, 175 Myodora, . 138 Loligo, . 3 Myonera, . 136 Loligopsis, 4 Myrtaea, . . 134 Lori pes, . . 133 . 133 T ." Lucma, . 133, 182 Mytilus, . . 139, 184 Lucinopsis, Lutraria, . . 126 . 120 Lyonsia, . . 137 N Lyria, . 24 A 1 Nassa, 34, 168 M Nassaria, . . 34 ATA Natica, . 71, 176 Macoma, . 124 Nautilus, . 4 Macrodon, . 151 Nerita, . . 87, 177 Macroschisma, . . 106 Neritina, . . 88, 178 Mactra, . . 118, 180 Niphonia, . 104 Malletia, . . 151 Niso, . 79 Malleus, . . 147, 184 Nucula, . . --.. 151 Malvufundus, . . 147 Nuculina, '. . 150 Mangilia, . . 19 Nuttallina, . . 114 INDEX. 191 o Pleurotoma, . 14 w Pleurotomaria, . . 106 Ocinebra . . • 42 Plicatula, . 143 Octopus, .... Odontostomia, . . '•'. " 1 84 Polinices, Potamides, 72, 176 57, 175 Oligotoma, Oliva, . . . 22, 19 166 Priene, Promachoteuthis, 47 2 Olivella Ommastrephes, Oniscia, . . 49, 171, Onoba .... 23 4 186 66 Psammobia, Pteria, Pterocera, Puncturella, 122, 181 146, 184 55, 174 . 109 Oriua, .... 82 Pupinella, . 158 Orthomesus, Oscilla, .... 91 82 Purpura, . Putilla, . 44, 169 . 68 Ostrsea, . . . 145, 184 Pyramidella, . 79, 177 Ovula, . . .52, 173 Pyramidula, . 155 Pyrgulina, . 85 Pyrula, . . 49 !';;g P ' Pythia, . . 161 Pachypoma, */ . . ;... 89 R Pandora, . . . ' .i ; 138 l\ Papbia, .... Parapholas, Parmophorus — Scutus. Parthenia, Patella, .... 118 117 85 112 Raeta, Ranella, = Gyrineum, Rapa = Bulb us, Rapana, . . 119 . 170 . 46 43, 169 Pecten, .... Pectunculus, . Peristernia, Perna, . . . 147, Petaloconcbus, . Petricola,. Petropoma, Phasianella, Phenacolepas, . Pbiline, .... Pholas, .... ~i~n 143 150 27 185 175 125 90 90 110 9 116 O A Retusa, . Rhinomya, Rhynchonella, Ricinula, . Ringicula, Rimula, . Rissoa, Rissoella, . Rissoina, . Rossiteria, Rostellaria, Roxania, . . 136 . 153 45, 169 . 10 . 109 . 66 . 65 . 67 . 97 . 55 9 rhos, . . . . 34 Phyllaplysia, . 11 Pinna, . . . 147, 185 Pisania, .... 33 , Placenta, .... 142 Sarepta, . 151 Placiphorella, . 115 Saxicava, . 117 Placunanomia, . 142 Saxidomus, . 130 Planaxis, 58 Scala, 74 Planorbis, . , 158 Scaliola, . . 69 Plectotropis, . .157, 163 Scaphander, 8 iy^ INDEX. Schismope, . 106 Syrnola, . ^. . 80 Scintilla, . . 131 Scissurella, .106 Scutellina, . 110 Tapes, 129, 181 Scutus, . . 110 Taranis, . . . 21 Seila 57 Tectus, . . f 99 Selma, . 79 Teinostoina, • t7*j . 102 Semele, . . .123 Tellina, . 123, 181 Senectus, . . 88, 178 Terebellum = Seraphs. Separatista, . 59 Terebra, . 11, 164 Sepia, 2 Terebratella, . . 152 Sepiella, . 3 Terebratula, . . 152 Sepioteuthi?, . 3 Terebratulina, . . 152 Septifer, . . 141 Teredo, . . 116 Seraphs, . . 55, 174 Thalotia, . . 95 Setia, . 66 Thatcheria, . 28 Sigaretus, . 72, 176 Thecodonta, . 132 Siliqua, . . 121 Theora, . . 123 Siliquaria, . 60 Thracia, . . 138 Siphonalia, . 28, 168 Thylncodes, 59, 175 Siphonaria, 5, 161 Tivela, . . 127 Siphonium, . 175 Todarodes, 4 Sistrum, . . 45, 170 Tonicella, . 113 Skenea, . . 69 Torinia, . . 65 Smaragdinella, 8 Tornatina, 7 Solandema = Rossiteria. Trachyderraon, . 114 Solarium, . 65, 175 Trapezium, . 135 Solecurtus, . 121 Tresus, . 120, 180 Solemya, . . 152 Trichotropis, . . 59 Solen, . 120 Tridacna, 130, 181 Soletellina, . 122 Triforis, . . 58 Solidula, . 6, 160 Trivia, .- 52 Sphserium, . 159 Triton, . 46, 170 Spiroglyphus, . Spisula, . . 60 . 119 Tritonidea, Tritonium, 32, 168 . 46 Spondylus, . 143, 184 Trochomorpha, . 161 Stenotis, . . 64 Trochus, . 92, 179 Stomatella, . 104 Trophon, . . 40 Stomatia, . . 104, If80 Truncatella, . 176 Strombus, . 173, 53 Tugalia, . . 110 Styliferina, . 79 Turbinella, . 168 Styliola, . 5 Turbo, 88, 178 Stylopsis, . . 86 Turbonilla, . 87 Styloptygma, . . 83 Ttircica, . . 98 Subemarginula, . 110 Turritella, . 61 Succinea, ; .' 158 Typhis, . . . . 41 Surcula, . ; •; " . 19 Typhlomangilia, . 19 INDEX. 193 u Umbonella, Unibonium, Umbrella, Unio, Urosalpinx, Vanikoro, Velutina, . Venerupis, Venus, Vermetus, Verticordia, Vivipara, Vola, Voluta, . Volutharpa, Volutomitra . 100 Volva, . . 100, 180 Volvula, . 11 Vulsella, . .' 159, 186 . 43, 42 V 70 Xenophora, Yoldia, X Y Z . 32 . 25 53, 186 8 140 70 151 127, 181 . 61 . 136 . 158 Zafra, .... 21 . 145 Zeidora, . . . .109 . 24 Zirphsea, . . . .116 13 REFERENCE TO PLATES. [The figures of Eulota Blakeana Newc. were drawn from speci- mens belonging to the museum of Cornell University ; those of Chlorostomaumbilicatum and Bathybembyx Crumpii from specimens in the collection of Mr. Shelly G. Crump; and the figure of Tere- bratulina caput-serpentis represents a specimen in coll. U. S. Nat. Mus. All other figures are from specimens collected by Mr. Stearns]. PLATE 1. FIGURE. PAGE. 1, 2. Sepia Hercules n. sp 2 3, 7, 8, 8. Eulota (Euhadra) Blakeana Newc. . . .156 4. Ganesella Stearnsii n. sp. ...... 157 5, 5. Vanikoro japonica n. sp. ...... 70 6. Columbella (?) pleurotomoides n. sp. .... 39 9. Vermetus tokyoensis n. sp 61 10. Vermetus tokyoensis, section of an early whorl . . .61 11. Vermetus tokyoensis (large specimen from Pinna valve in coll. A.N.S.) . 61 12. Clausilia Stearnsii n. sp. . 16& PLATE 2. 1, 2. Siphonalia Stearnsii n. sp 29 3. Oniscia Macandrewi Sowb. 49 4. Clathurella (?) Gainesii n. sp 20 5. Drillia tokyoensis n. sp 18 6. Siphonalia hyperodon n. sp 30 7. 8. Siphonalia cassidariiformis var. funerea n. v. . . .29 9, 10. Drillia principalis n. sp. . . . . .17 11. Olivella fortuneiv. japonica n. v .23 12. Coralliophila Stearnsii n. sp 45- 13. 14. Nassa hypolia n. sp. . * . . . . .37 (194) REFERENCE TO PLATES. 195 FIGURE. PAGE. 15,16. Pleurotoma kamakurana n. sp. ..... 16 17. Cassis achatina var. inornata n. v. . . . , . 49 PLATE 3. 1. Aspergillum giganteum Sowb 136 2, 3. Anatina kamakurana n. sp 138 4,5. Raeta yokohamensis n. sp 119 6, 7. Diplodonta japonica n. sp 132 8, 9, 10. Area Stearnsii n. sp 148 11, 12. Entodesma truncatissima n. sp. . . . . . 137 13, 14. Loripes bialata n. sp 133 15, 16, 17. Sphserium heterodon n. sp 159 18,19. Kellia japonica n. sp. ....... 132 PLATE 4. 1, 2. Thylacodes Medusae Pilsbry, 59 PLATE 5. 1. Thylacodes Medusae Pilsbry, 59 PLATE 6. 1,2,3,4,5. Macroschisma Lischkei n. sp 108 6, 7, 8. Macroschisma sinensis A. Adams, . . . .107 9, 10. Chlorostoma turbinatum A. Adams (rugatum Gld). . 94 11,12. Chlorostoma umbilicatum Lischke, . . . .93 13, 14, 15, 16, 17, 18. Acmsea Heroldi Dkr. varieties, . . Ill 19, 20, 21, 22. Siphonaria acmseoides n. sp 6 23, 24, 25, 26, 27, 28. Siphonaria sirius n. sp 5 29, 30. Phasianella (Orthomesus) modesta Gld. . . .91 31. Phasianella modesta var. Gouldii n. v 91 32. Nerita helicinoides var. laevilabris n. v. . . . .177 PLATE 7. 1,2. Helcioniscus nigrisquamatus Rve. (young) . . .112 3. Helcioniscus nigrisquamatus v. boninensis Pils. . . 112 4, 5, 6. Helcioniscus Stearnsii Pilsbry, 112 7, 8, 9, 10. Helcioniscus eucosmius Pilsbry, , . . .112 196 REFERENCE TO PLATES. PLATE 8. FIGURE. PAGE. 1. Lacuna oxytropis n. sp 63 2. Lacuna Smithii n. sp 63 3. Lacuna stenotomorpha n. sp. . . . . . 64 4. Gibbula eucosmia n. sp. , f . f . . .96 5. 6. Cyrena fissidens Pilsbry, , .* . . . .183 7. Cyrena yaeyamensis Pilsbry, , . , . . . .184 8. Phasianella (Tricolia) oligomphala n.sp. . . . .91 9. Phasianella (Tricolia) megastoma n. sp 90 PLATE 9. 1, 2, 3. Eulota (Euhadra) yaeyamensis Pilsbry, . . . 161 4,5. Cyrena luchuana Pilsbry . r • . 183 6. Cyrena yaeyamensis Pilsbry, . 184 7,8,9. Eulota (Aegista) vermis Ads. & Rve . . .163 PLATE 10. 1, 2, 3, 4, 5, 6. Eulota (Euhadra) mercatoria Gray, . . 162 7. 8. Eulota (Acusta) despecta Gray, 163 9,10,11. Trochomorpha Fritzei Boettger, .... 161 12, 13, 14. Ganesella Largillierti Phil., varieties, . . .161 PLATE 11. 1-3. Terebratula Stearnsii Dall & Pilsbry, . . . .152 4. Bathybembyx Crumpii Pilsbry, . . ... .97 5, 6. Terebratulina caput-serpentis Linn, (unguicula Cpr.). . 152 7, 8. Terebratella Gouldii Dall, . . . . . . 153 9, 10. Terebratuliua kiieusis Dall & Pilsbry, ... . 152 JAPANESE MOLLUSKS PLATE I. e L L U - o u it i WH 0 Sheppard.del.et Lith. ,vnf, u i' r, r.~, u f c JAPANESE MOLLUSKS PLATE II, WHO Sheppard.del.et l.ith e /; L 1 1- / J f JAPANESE MOLLUSKS PLATE III. 19 U U I V . C l- t kLU-u uta/. WH.O Sheppard.del.etl.ifh. JAPANESE MOLLUSKS PLATE IV. U U I V .