CONTENTS. 



TbANSAOTIONS of the SoOIETT — PAG« 



V. The Peesident's Address. By the Rev. W. H. Dallinger, 



LL.D., F.E.S., F.L.S., &c. (Plate VI. and Figs. 31-33.) .. 185 



VI, On Cutting Sections of Sponges and othee similae structures 



WITH soft and hard TISSUES. By Dr. H. J. Jolinston-Lavis, 

 F.G.S., and Dr. G. C. J. Yosmaer. (Fig. 34) .. .. 200 



VII.— On the Dipfeeentiation op Tissues in Fungi. By George 



Massee, F.E.M.S. (Plate VII.) 205 



SUMMARY OF CTJHIIENT RESEARCHES. 



ZOOLOGY. 

 A. VERTEBRATA :— Embryology, Histology, and General, 

 o. EmbryologT. 



"Wolff, W. — Germinal Layers 209 



KoLLiKEK, A. — Karyoplasm and Inheritance 209 



Laulanie, F. — Development and Significance of the Germinal Epithelium in the 



Testicle of the Chick 210 



BAit.FvnTB,I).—Conditio7is of Tadpole Metamorphosis 210 



, „ Absorption of the Tadpole's Tail 211 



ScHARFF, B. — Intra-ovarian Egg in Osseous Fishes 211 



Hennegcy, L. F. — Growth of Emhryos of Osseous Fishes 211 



Shipley, A. E. — Development of Petromyzon fluviatilis 212 



VoGT, C. — Some Darwinistic Heresies 212 



/3. Histologry. 



List, J. H. — Goblet-cells in Amphibian Bladder 213 



Fbitsch — Nerves of Electric Fishes 213 



y- General. 

 Mabshall & Hurst's Practical 2bo7o5fy 213 



B. IN VERTEBRATA. 



JlAUjmL,'B.— Dotted Substance of Leydig 214 



MacMunn, 0. A. — EnterocMorophyll and Allied Figments 214 



„ Myoheematin and the Histohxmatins 214 



Certes, A., & Garrigou — Micro-organisms in Thermal Water 214 



Po&A P. — Foseil Caloareoits Elements of Ahyonaria and Holothurioida 215 



Mollusca. 



Frenzel, J. — Histology of the Mollusc Liver 215 



Bruce, A. T. — Early Development of Loligo 216 



HoYLE, W. B. — ' Challenger' Cephalopoda 216 



Pelseneer, P. — New Gymnosomatous Pteropod 217 



McMuRRioH, J. P. — Embryology of Prosobr (inch Gasteropods 217 



'Bov\iEVt,,E. Tu. '-Typical Nervous System of Prosohranchs 218 



Marion & KOWALEVSKY — Lepidomenia hystrix , 218 



Watson, A. B., & DE FoLiN—' CTiciHengrer' iSca^Aopoda and Gastropoda 219 



'Bmi(iYi,ii.— ^Challenger' Marseniidas 219 



Haddon, H. C. — ' Challenger ' PolyplacopJiora 219 



Thielk, J. — Mouth-lobes of Lamellibranchs 220 



BvTSCaiA, O.— Morphology of Eye of Pectens 220 



YtiVELE, B..— North Sea MoUusca 221 



MoUuscoida. 



a. Tunicata. 



BMOKBjW.B.—TheSalpa-ehain 221 



Giard, a. — Synascidians new to the French Coast 221 



