CONTENTS. 
Transactions of the Society — 
PAGB 
III. — The Preside t’s Address: On the Anatomy of Mosses. 
By Robert Braithwaite, M.D., &c 137 
IV. — The Rotifera of China. By Surgeon V. Gunson Thorpe, 
R.N., F.R.M.S. (Plates II. and III.) 145 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA : — Embryology, Histology, and General. 
a. Embryology. 
Roux, W., & C. Herbst — Experimental Embryology 153 
Virchow, Hs. — Yolk-cells and Yolk Segmentation 154 
Baumgarten — Development of Auditory Ossicles 154 
Strahl — Degeneration of Ovarian Ova in Lizards 155 
Benda, C . — Spermatogenesis in Sauropsida .. 155 
Hasse, C . — Development of Vertebral Column of Anura 155 
Ruckert, J . — Doubling of Chromosomata in Nucleus of Selachian Ova 156 
Beard, J . — Hermaphroditism of Lampreys 156 
Cholodkowsky, N . — Theory of Mesoderm and Metamerism .. .. 156 
Hatschek, B . — Metamerism of Vertebrates 156 
Buckman, S. S., & F. A. Bather — Terms of Auxology 157 
Emery, C . — Cyclopian Monsters 157 
B. Histology. 
Moore, J. E. S . — Relationships and Bole of Archoplasm during Mitosis in the Larval 
Salamander 157 
Kanthack, A. A., & W. B. Hardy — Wandering ( Migrating ) Cells of the Frog .. 158 
Spuler, A . — Alleged Intracellular Origin of Bed Blood-corpuscles 159 
Hansemann, D . — Centrosomata and Attraction Spheres in Besting Cells .. .. .. 159 
Altmann — Granula-Theory 159 
y. General. 
Schulze, F. E . — Terminology of Position and Direction 159 
Thomson, J. A., & N. Wyld — Theory of Sex 160 
Francken, C. J. Wynaendtz — Evolution of Sex 160 
Bay, C . — Movements of Plants and Animals 161 
Kennel, J. yon — Classification of Animals 161 
Brandt, A . — Classification of Animal Variations 161 
Clarke, C. B . — Biological Regions and Tabulation Areas 162 
B. INVERTEBRATA. 
Griffiths, A. B . — Blood of Invertebrata 162 
„ „ Nervous Tissues of Invertebrates 162 
Braun, M . — Report on Animal Parasites 162 
Mollusca. 
y. Gastropoda. 
Bouvier, E. L . — Affinities of Groups of Gastropoda 163 
Erlanger, R. y. — So-called Primitive Kidneys of Gastropods 163 
„ „ Nephridial Gland of Prosobranchs 163 
„ „ Development of Cassidaria 163 
Thiele, J. — Shell-structure 164 
5. Iiamellibranchiata. 
Grobben, C . — Structure of Cuspidaria and System of Lamellibranchiata 164 
Bruyne, de — Phagocytosis in Gills of Lamellibranchiata 164 
Jhering, H. yon — South American Najadas 165 
Molluscoida. 
a. Tunicata. 
Willey, A . — Studies on the Protochorda 165 
Metcalf, M. M . — Eyes and Central Nervous System of Salpa .. 167 
Goppert, E . — Optic Organ of Salpa 168 
