IU 
CONTENTS. 
TRANSACTIONS ON THE SOCIETY. 
PAGE 
Y. — Notes on the Genus Apsilus and other American Rotifera. 
By Dr. Alfred C. Stokes. (Plate VI.) 269 
VI. — Interzoiecial Communication in Flustrid^, and Notes 
on Flustra. By Arthur Wm. Waters, F.R.M.S., F.L.S. 
(Plates VII. and VIII.) .. 279 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
VERTEBRATA. 
a. Embryology. page 
Charrin & Gley — Experimental Embryology . . 293 
Weysse, A. W . — Blastodermic Vesicle of Pig 293 
Ranvier, L . — Development of Lymphatic Vessels 294 
Salzer, H . — Development of Veins in the Head Region 294 
Nassonow, N . — Operculum of Birds 294 
Grosser, O., & E. Brezina — Veins of Head and Neck in Reptiles 295 
Muller, Erik — Regeneration of Crystalline Lens in Triton 295 
Waite, E. R. — Egg- Cases of Port Jackson Sharks 295 
j8. Histology. 
Oppel, A . — Stomach Glands of Vertebrates 295 
Hepburn, D . — Papillary Ridges of Monkeys and Men 296 
Dehler, A . — Red Blood- Corpuscles of Embryo Chick 296 
Sack, A , — Vacuolation of Fat-Cells .. 296 
Dogiel, A. S . — Structure of the Retina 296 
Flemming, W . — Structure of Nerve-Cells in Spinal and Central Ganglia . . 296 
Spirlas, A., & G. Sclayunos — Spinal Ganglia of Mammals 296 
Rohde, Emil — Nucleus of Ganglion- Cells and Neuroglia 297 
Junius, Paul — Skin-Glands of Frog 297 
Tomes, 0. S . — Dentine and Enamel 297 
Purvis, G. Carrington — Muscle-Fibre , Electric Disc , and Motor-Plate 298 
Reinke, Fr . — Histology of Testis 298 
y. General. 
Mobius, K. — 1 Esthetic Aspects of Animals 298 
Sabatier, A . — Philosophical Aspects of Zoology 298 
Danilewsky, B . — Influence of Lecithin an Growth 299 
Holt, E. W. L., & W. L. Calderwood — Fishing- Grounds and Fishes of the West 
Coast of Ireland 299 
Ahlborn, Fr . — Use of Heterocercal Tails . . 299 
Tunicata. 
Castle, W. E. — Cell-Lineage in the Segmentation of the Ascidian Ovum . . . . 299 
Floderus, M . — Formation of Follicular Investments in Ascidians 300 
Lohmann, H . — New Appendicularise 300 
A 
