CONTENTS. 
TRANSACTIONS OF THE SOCIETY. 
TAOE 
I. — The Foraminifera of the Gault of Folkestone. Part X. — 
Conclusion and Appendices. By Frederick Cliapman, 
A.L.S., F.R.M.S. (Plates I. and II.) 7 .. 1 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
VEETEBRATA. 
a. Embryology. 
Albrecht — Mechanics of Development 50 
Sobotta, J . — Gastrulation in Amphioxus 51 
„ „ Gastrulation in Vertebrates . . . 51 
Adloff, P . — Development of Rodent Dentition 51 
Goppert, E . — Phylogeny of Claws of Vertebrates 52 
Platt, Julia B . — Development of Cranial Region in Necturus 5*2 
Locy, W. A . — Accessory Optic Vesicles in Chick Embryo 5 J 
Haller, B . — Significance of Hypophysis and Infundibular Organ 51 
Tourneux, F., & P. Verdun — Thyroid, Thymus, and Parathyroid Glands .. .. 52 
Brachet, A . — Pleural Cavities and Pleuro-Pericardial Membranes 54 
Maas, O . — Development of Pronephros and Mesonephros in Myxine 54 
Felix, W . — Excretory System of Bdellostoma 55 
Dean, Bashford — Development of Californian Hag 55 
Vincent, Swale — Supra- Renal Capsules 56 
Fabre-Domergue & E. Bietrix — Eggs and Larvse of Marine Fishes 56 
Ikeda, S . — Breeding Habit of a Japanese Tree-Frog 57 
Bardeleben, K. yon — Interstitial Cells of Testis 57 
Meves, Fr . — Axial Filament of Human Spermatozoa 57 
Bardeleben, K. von — Dimorphism of Spermatozoa in Mammals 57 
Frankl, CL, & M. Nussbaum — Path of the Spermatozoa in the Frog 5S 
Suchetet, Andre— Problems of Hybridisation 58 
Tornier — Regeneration in Vertebrates 59 
Wasmann, E . — Von Baer’s Philosophy . . .. 59 
Dunckkr, Georg — Variation of Fin-Rays of Fishes 59 
Hutton, F. W . — Problem of Utility 60 
Waite, F. C . — Variations in the Brachial and Lumbo-Sacral Plexi of Necturus 
maculosus G6 
JiEKEL, O . — Pedigree of Vertebrata 61 
Mayer, Paul — Spiral Fold of Selachian Intestine 62 
Blanc, Louis — Classification of Monstrosities 62 
b. Histology. 
Duval, M . — Precis of Histology 62 
Ballowitz, E. — Sickle-shaped Nuclei and Giant-Spheres in Resting Epithelial Cells 62 
Kolliker, A. von — Energids of Plants and Animals 62 
Flemming, W . — Number of Chromosomes in Somatic Cells of Man 62 
Retterer, Ed . — Epithelium and Reticular Tissue 63 
MacCallum, J. B . — Heart Muscle-Cells 63 
Garnier, Charles — Ap vearance of Intercellular Bridges between Smooth Muscle- 
Cells - 63 
Wolff, G . — Hypophysis in Health and Disease 63 
Apathy, St . — Conducting Element in Nervous Tissue 61 
Pugnat, Charles- Amkvee— S pinal Ganglion- Cells of Reptiles (54 
Smirnow, A. E . — Molecular Layer of Cerebellum 64 
A 
