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LIBRARY

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MUSEUM OF ae Ae ZOOLOGY.

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GIFT OF

ALEX. AGASSIZ.

Jiaal eh 1878 — wg) M1, 1699

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New Series, No. 161 (Vol. 41, Part 1). Price 10s. |

APR £7 1888 MARCH, 1898.

oe [HE

QUARTERLY JOURNAL

. OF

MICROSCOPICAL SCIENCE.

EDITED BY

E. RAY LANKESTER, M.A., LL.D., F.RB.S.,

Linacre Professor of Comparative Anatomy, Fellow of Merton College, and Honorary Fellow of Exeter College, Oxford; Corresponding Member of the Imperial Academy of Sciences of St. Petersburg, and of the Academy of Sciences of Philadelphia; Foreign Member of the Royal |

Bohemian Society of Sciences; Associate Member of the Biological Society of Paris; ; Fullerian Professor of Physiology in the Royal Institution of London, | J WiTH THE CO-OPERATION OF : ADAM SEDGWICK, M.A., F.R.S., : Fellow and Tutor of Trinity College, Cambridge; AND | | W. F. R. WELDON, M.A., F.R.S., | 4 ¥Yodrell Professor of Zoology and Comparative Anatomy in University College, London; s late Fellow of St. Fohn’s College, Cambridge. WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 7 |

LONDON: J. & A. CHURCHILL, 7, GREAT MARLBOROUGH STREET. “1898.

-__ Adlard and Son,] ; Meets ig shi if bartholomew: Close.

MEMOIRS:

The Habits and Structure of Arenicola marina. By GaMBLE, M.Sc., and J. H. Asuwortn, B.Sc., Demouns' Assistant Lecturers in Zoology, Owens Col!ege, Manel Plates a he CF eG

Species of this Genie. By Sine r. Picwen ‘S of King’s College, Cambridge ; Superintendent of the U Museum of Zoology. (With Plates 8—10). ect

The Molluses of the Great African Lakes.—I. Di: 1 J. E. 8. Moors . ; A d .

The Molluses of the Great African Lakes—II. The A Typhobias, with a description of the New Genus a E. S. Moore. oy Plates SrA

“ é en

_— oe i" a = =

- PCL ee Ie a.) Oe eS =!

New Series, No. 162 (Vol. 41, Part 2). Price 10s.

JUNE, 1898.

7527

THE

QUARTERLY JOURNAL

OF

MICROSCOPICAL SCIENCE.

EDITED BY

HK. RAY LANKESTER, M.A., LL.D., F.B.S.,

Linacre Professor of Comparative Anatomy, Fellow of Merton College, and Honorary Fellow of Exeter Colleze, Oxford; Corresponding Member of the Imperial Academy of Sciences of St. Petersburg, and of the Academy of Sciences of Philadelphia; Foreign Member of the Royal Bohemian Society of Sciences; Honorary Member of the New York Academy of Sciences;

Associate Member of the Biological Society of Paris; Fullerian Professor of Physiology in the Royal Institution of London,

WITH THE CO-OPERATION OF ADAM SEDGWICK, M.A., F.R.S., Fellow and Tutor of Trinity College, Cambridge; AND

W. F. R. WELDON, M.A., F.RB.S.,

Fodrell Professor of Zoology and Comparative Anatomy in University College, London; late Fellow of St. fohn’s College, Cambridge.

WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD.

LONDON: J. & A. CHURCHILL, 7, GREAT MARLBOROUGH STREET. 1898.

{Bartholomew Close.

CONTENTS OF No. 162.—New Series.

MEMOIRS:

The Segmentation of the Ovum of the Sheep, with Observations on the Hypothesis of a Hypoblastic Origin for the Trophoblast. By RicuarD AssHETON, M.A. (With Plates 15—18)

. .

On the Heart-body and Celomic Fluid of Certain Polycheta, By LionEt James Picton, B.A. (With Plates 19—22) .

On the Hypothesis that Lake Tanganyika represents an Old Jurassic Sea. By J. E.S. Moore. (With Plate 23) .

On the Reno-pericardial Canals in Patella. By Epwin 8S. Goopricu, B,A., Aldrichian Demonstrator of Comparative Anatomy, Oxford. (With Plate 24) . . f.

PAGE

263

323

POD LM ee SM eee TG

w

ee Ie Te

New Series, No. 163 (Vol. 41, Part 3). Price 10s.

7 S27 NOVEMBER, 1898. THE |

. QUARTERLY JOURNAL

OF

MICROSCOPICAL SCIENCE.

EDITED BY

BE. RAY LANKESTER, M.A., LU.D., F.B.S,,

Director of the Natural History Departments of the British Museum; Honorary Fellow of Exeter College; Oxford ; Corresponding Member of the Imperial Academy of Sciences of St. Petersburg; and of the ~ Academy of Sciences of Philadelphia; Foreign Member of the Royal Bohemian Society of Sciences and of the Academy dei Lincei of Rome; Honorary Member of the New York Academy of Sciences; Associate Member of the Biological Society of Paris; Fullerian Professor of Physiology in the Royal Institution of London.

WITH THE CO-OPERATION OF

ADAM SEDGWICK, M.A., F.R.S.,

Fellow and Tutor of Trinity College, Cambridge; AND

W. F. B. WELDON, M.A., F.B.S.,

Yodrell Professor of Zoology and Comparative Anatomy in University College, London ; late Fellow of St. Fohn’s College, Cambridge.

WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD.

LONDON: J. & A. CHURCHILL, 7, GREAT MARLBOROUGH STREET. 1898.

Adlard and Son,] aeies 15 i ; [Bartholomew Close.

a neenneneneenen te

CONTENTS OF No. 163.—New Series.

MEMOIRS: PAGE The Development of the Pig during the First Ten Days. By RrcHarp AssHEeTon, M.A. (With Plates 25—28) . . . >> +c

The Structure of the Mammalian Gastric Glands. By R. R. BEnsLey, B.A., M.B., Assistant Demonstrator in pag University of Dovintis (With Plate 29) . i / , ~ ork

On Certain Green (Chlorophylloid) Pigments in Invertebrates. By Marion I. Newstern, D.Sce., Lecturer on Zoology in the Edinburgh College of Medicine for Women. (From the Laboratory of the Royal College of Physicians, Edinburgh.) (With Plates 30 and 31) vO

Note on a (? Stomatopod) Metanauplius Larva. By J.J. Lister, M.A., Demonstrator of Comparative Anatomy in the University of Cambridge . . : ; ‘ : : . 433

On the Nephridia of the Polycheta.—Part II. Glycera and Goniada. By Epwin S. Goopricu, B.A., Aldrichian Demonstrator of Com- parative Anatomy, Oxford. (With Plates 32—35) . ‘ . 439

MARK ti

1899

St

New Series, No. 164 (Vol. 41, Part 4). Price 10s.

JANUARY, 1899.

THE

| QUARTERLY JOURNAL

OF

MICROSCOPICAL SCIENCE.

EDITED BY

E. RAY LANKESTER, M.A., LL.D., F.R.S.,

Director of the Natural History Departments of the British Museum; Honorary Fellow of Exeter College,

Oxford ; Corresponding Member of

the Imperial Academy of Sciences of St. Petersburg, and of the

Academy of Sciences of Philadelphia; Foreign Member of the Royal Bohemian Society of Sciences and of the Academy of the Lincei of Rome; Associate of the Royal Academy of Belgium; Honorary Member of the New York Academy of Sciences, and of the Cambridge Philosophical Society, and of the Royal Physical Society of Edinburgh; Associate Member of the Biological Society of Paris; Fullerian Professor of Physiology in the

Royal Institution of London.

WITH THE CO-OPERATION OF

ADAM SEDGWICK, M.A., F.R.S.,

Fellow and Tutor of Trinity College, Cambridge;

AND

W. F. R. WELDON, M.A., F.R.S.,

“‘Fodrell Professor of Zoology and Comparative Anatomy in University College, London;

late Fellow of St. Fohn’s College, Cambridge.

WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD.

J. & A. CHURCHILL,

Adlard and Son,)

LONDON: 7, GREAT MARLBOROUGH STREET. 1899,

a. a es : (Bartholomew Close.

CONTENTS OF No. 164.—New Series.

MEMOIRS:

On Differences in the Histological Structure of Teeth occurring within a Single Family—the Gadide. By Cuanurs S. Tomxs, M.A., F.R.S. (With Plate 36) : ; ;

A Description of Two New Species of Spongilla from Lake Tanganyika. By Ricuarp Evans, B.A. (With Plates 37 and 38)

On Tetracotyle petromyzontis, a Parasite of the Brain of Am- moceetes. By AtBERtT W. Brown, B.A., F.L.S., Formerly Ex- hibitioner of Christ Church, Oxford. (With Plate 39)

Studies on the Structure and Formation of the Calcareous Skeleton of the Anthozoa. By GiuBert C. Bourne, M.A., F.L.S., Fellow and Tutor of New College, Oxford; University Lecturer in Compa- rative Anatomy. (With Plates 40—43)

The Stracture and Development of the Hairs of Monotremes and Marsupials.—Part I. Monotremes. By Batpwin Srencer, M.A., Professor of Biology in the University of Melbourne, and GEoRGINA Sweet, M.Sc., University of Melbourne. (With Plates 44—46) .

Trophoblast and Serosa. A Contribution to the Morphology of the Embryonic Membranes of Insects. By ARTHUR WitzEy, D.Se.Lend., Hon. M.A.Cantab., Balfour Student of the University of Cambridge

InDEX

TABLE OF CONTENTS.

PAGE

459

471

489

499

549

589 611

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