CONTENTS. 
Transactions op the Society — PAGZ 
IX. — The Fobaminifera of the Gault of Folkestone. By 
Frederick Chapman. (Plate IX.) 565 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA Embryology, Histology, and General, 
a. Embryology. 
Lameere, A. — Origin of Vertebrata 576 
Zeller, E. — Fertilization of Newts 576 
Cholodkovsky, N . — The Blastopore in Meroblastic Ova 577 
Voeltzkow, A. — The Eggs and Embryos of the Crocodile 577 
Fboriep, A. — Development of the Optic Nerves 578 
Lachi, P. — Histogenesis of the Neuroglia 578 
Van der Strioht, O. — Development of Blood in Embryonic Liver 578 
0. Histology. 
Schneider, C. C. — Structure of the Cell 579 
Solger, B. — Pigment-cells 580 
Ballowitz, E. — Minute Structure of Spermatozoa of Mammalia 580 
B. INVERTEBRATA. 
Haddon’s (A. C.) Collections in Torres Straits 581 
Mollusca. 
a. Cephalopoda. 
Rawitz, B. — Changes in the Betinal Pigment of Cephalopods .. 581 
y. Gastropoda. 
Plate, L . — Anatomy of Daudebardia and Testacella 582 
Cockerell, T. D. A. — Geographical Distribution of Slugs 582 
Boutan, L . — Larval Form of Parmophorus 582 
5. Lamellibranchiata. 
Pelseneer, P. — Lamellibranchiata 582 
Gbobben, C. — The Bulbus Arteriosus and Aortic Valves of Lamellibranchs .. .. 584 
Molluscoida. 
a. Tunicata. 
Herdman, W. A. — Classification of the Tunicata 585 
£. Bryozoa. 
Prouho, H. — Loxosoma annelidicola .. .. 585 
Waters, A. W. — Characters of Melicertitidne and other Fossil Bryozoa 586 
Hincks, T. — Marine Polyzoa 586 
Arthropoda. 
Schneider, A. — Circulatory and Respiratory Organs of some Arthropods .. .. 586 
