CONTENTS. 
Transactions of the Society — 
PAGH 
VI. — Notes on the Uropodin^. By A. D. Michael, P.R.M.S., 
F.L.S., F.Z.S., &c. (Plates VI. and VII.) 289 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA : — Embryology, Histology, and General, 
a. Embryology. 
Roux, W . — Experimental Embryology .. .. 320 
Hubrecht, A. A. W . — Placentation of the Shrew 321 
Kip, M. J. van Erp Taalman — Development of Mullerian Duct in Mammals . . 322 
Prenant, M. A . — Development of Thymus , Thyroid , and Carotid Glands .. .. 323 
Bambeke, C. Van — Median Groove of Triton 324 
Blanc, H . — Fecundation of Egg of Trout 324 
Hasse, C . — Vertebral Column of Ganoids 324 
Jungersen, H. F. E . — Development of Kidneys in Sturgeon 325 
Minot, C. S . — Bibliography of Vertebrate Embryology 325 
Histology. 
Ramon y Cajal — Minute Structure of Nerve-centres 325 
Lenhossek, M. v. — Nerve-cord of Rays 326 
Zoja, L. & R. — Altmann’s Bioplasts 326 
Druner, L . — Degeneration of Cells and Nuclei 326 
Hansemann, D . — Specific Character of Cell-divisions 326 
Demoor, J . — Physiology of the Cell 326 
7 . General. 
Schimkewitch, W . — Genetic Relations of Metazoa 327 
Jelliffe, S. E . — Organisms in the Chicago Water Supply .. 328 
B. INVERTEBRATA. 
Danby, W. H., & others — Natural History of British Columbia 328 
Mollusca. 
a. Cephalopoda. 
Perrier, E., & M. A. T. de Rochebrune — Brooding Habits of Octopus Digueti 328 
7. Gastropoda. 
Oswald, A . — Proboscis of Prosobranclis 328 
Toureng — Nervous System of Dreissensia polymorpha 328 
Plate, L . — Gadinia peruviana 329 
Andre, E . — Anatomy and Physiology of Ancylus lacustris and A. fluviatilis .. 329 
5. Lamellibranchiata. 
Stauffacher, H .— Oogenesis and Segmentation in Cyclas 330 
Molluscoida. 
a. Tunicata. 
Willey, A . — Evolution of Prieoral Lobe 330 
Caullery — Genital Products in Polyclinidae 330 
Salensky, W . — Metamorphosis of Distaplia magnilarva 330 
Todaro, F . — Visual Organ of Salpa 331 
Arthropoda. 
Kingsley, S. J . — Classification of Arthropoda 331 
