CONTENTS. 
Transactions of the Society — PAGE 
IV. — New and Foreign Rotifera. By Surgeon V. Gunson 
Thorpe, R.N., F.R.M.S. (Plates VI. and VII.) .. 301 
V. — A New Method of Infiltrating Osseous and Dental 
Tissues. By T. Charters White, M.R.C.S., F.R.M.S. .. 307 
YI. — On Bull’s-eyes for the Microscope. By E. M. Nelson, 
F.R.M.S. (Figs. 32-35) 309 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA Embryology, Histology, and General. 
a. Embryology. 
Minot, C. S . — Theory of the Structure of the Placenta 315 
Selene a, E . — First Stages of Placental Union in Man 315 
,, „ Development of Apes 316 
Hubrecht, A. A. W . — Development of the Germinal Layers in Sorex 317 
Spencer, W. Baldwin — Nomenclature of Chicken Embryos for Teaching Pur- 
poses 318 
Wiedersheim, R . — Development of Salamandra atra .. 318 
Cunningham, J. T . — Disputed Points in Teleostean Embryology 318 
Willey, A . — Later Larval Development of Amphioxus .. 319 
Roule, L . — Development of Muscular Fibres 320 
Paterson, A. M . — Development of Sympathetic Nervous System in Mammals . . 321 
Schottlaender, T . — Degeneration of the Follicle in the Mammalian Ovary . . . . 322 
jS. Histology. 
Flemming, W. — Attraction- Spheres and Central Bodies in Tissue and Migratory 
Cells 322 
Ranvier, L . — Clasmatocytes 323 
„ „ Transformation of Lymphatic Cells into Clasmatocytes 323 
Auerbach, L . — Two Kinds of Chromatin 324 
„ „ Red Blood-corpuscles of Amphibians 324 
Gulland, G. Lovell — Nature and Varieties of Leucocytes 324 
Blanchard, R . — Evacuation of Cell-nuclei 324 
Kolliker, A. von — Structure of the Spinal Cord in Human Embryos 325 
Ambronn, H . — Optical Characters of Medullated and Non-medullated Nerve- 
Fibres 325 
Dubern, G . — Histology of Spermatozoa 325 
•y. General. 
Haeckel, E.— Plankton-Studies . . . . 326 
Julien, A . — Position of Nerve-Centres .. .. 326 
Cox, C. F . — Protoplasm and Life 326 
B. INVERTEBRATA. 
Greenwood, M . — Action of Nicotin on Invertebrates 327 
Roule, L . — The Troqhozoa 327 
Benham, W. B . — Abnormalities in Crayfish and Earthworm 328 
Mollusca. 
Roebuck, W. D . — Census of Scottish Land and Freshwater Mollusca 328 
y. Gastropoda. 
Bouvier, E. L . — Anatomy of ‘ Hirondelle * Gastropods 329 
Erlanger, R. v . — Development of Paludina vivipara 329 
Fischer, H . — Anatomy of Corambe testudinaria 330 
Chatin, J . — Hepatic Epithelium of Testacella .. .. 330 
Plate, L . — Heart of Dentalium 330 
