CONTENTS, 
Transactions of the Society — 
PAGE 
IX. — The Foraminifera of the Gault of Folkestone. — VII. 
By Frederick Chapman, F.R.M.S. (Plates IX. and X.) . . 645 
X. — On a Simple Method of Measuring the Refractive 
Indices of Mounting and Immersion Media. By Edward 
M. Nelson, F.R.M.S 655 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA : — Embryology, Histology, and General. 
a. Embryology. 
Giacomini, C . — An Abnormal Human Embryo 661 
Klaatsch, H . — Origin of the Scleroblasts 661 
Gegenbaur, C . — Pliylogeny of the Tongue 662 
Hochstetter, F . — Development of Venous System of Mammals 662 
Hirota, S. — Sero-Amniotic Connection and Foetal Membranes of Chick 663 
Mitsukuri, K . — Gastrulation in Chelonia 664 
Langer, A . — Development of Bulbus Cordis in Amphibians and Reptiles . . . . 664 
Hochstetter, F Development of Abdominal Vein in Amphibia 665 
Lundborg, H . — Development of Hypophysis and Saccus vasculosus in Teleostei and 
Amphibia 665 
Holm, J. F . — Development of Olfactory Organ in Teleostei 665 
M‘Intosh, W. C . — Ova and Larvae of British Fishes 665 
/3. Histology. 
Moore, J. E. S . — Archoplasm and Attraction Sphere 66G 
Chittenden, R. H . — Chemical Physiology of the Cell 666 
y. General. 
Bethe, A . — Function of Equilibration 666 
Ryder, J. A . — Correlations of the Volumes and Surfaces of Organisms 667 
B. INVERTEBRATA. 
Stiles, C. W., & A. Hassall — Catalogue of Parasites 667 
Coupin, H . — Food of two Commensals 667 
Mollusca. 
Smith, E. A . — Indian Deep-Sea Mollusca 668 
y. Gastropoda. 
Schmidt, F . — Cleavage and Germ-Layer Formation in Stylommatophora . . . . 668 
Lacaze-Duthiers — Gonads of Ancylus 668 
Gilchrist, J. D. F. — Arrangement , Correlation , and Function of Pallial Organs of 
Tectibranchiata 669 
Crampton, H. E . — Reversal of Cleavage in a Sinistral Gastropod 669 
Vabigny, H. de — Experimental Nanism 670 
Ccenot, L . — Function of Kidney of Helix 670 
Pelseneer, P . — Branchiate Pulmonates 670 
Haller, B . — Notes on Polyplacophora 670 
5. Lamellibrancbiata. 
KisaiNODYE, K . — Eyes of Cardium muticum 671 
Molluscoidea. 
a. Tunicata. 
Caullery, M . — Budding of Diplosomidx and Didemnidse 671 
Gottschaldt, R . — Synascidice of Spitzbergen Expedition 671 
Ritter, W. E . — Perophora annectens 672 
