3 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
VERTEBRATA. 
a. Embryology, Evolution, Heredity, Reproduction, 
and Allied Subjects. 
PAGE 
Painter, Theophilus S . — Spermatogenesis of Opossum 47 
Lecene, P . —Persistent S per mato genetic Activity in Man 47 
Pearl, Raymond, & W. F. Sohoppe — Fecundity of Fowls 48 
Costa, A. Celestino da — Development of Supra-renal Capsule in Hedgehog.. .. 48 
Harms, W . — Transformation of Bidder's Organ into an Ovary 48 
Swingle, W. W . — Influence of Hypophysis on Pigmentation of Anuran Larvae . . 48 
b. Histology. 
Chaves, P. Roberto — Development of Hepatic Cell in Hedgehog 49 
„ „ — Paranucleus of Pancreatic Cell 49 
Hora, Sunder Lal — Structure of Fused Bones of Frog 49 
c. General. 
O’Donoghue, Chas. H . — Blood Vascular System of Sphenodon 49 
Bhattacharya, D. R . — Aortic Ligament in Indian Fishes 50 
Argaud, R. — Glands of Oviduct in Tortoise 50 
Hora, Sunder Lal — Occasional Absence of Paired Fins in Fishes 50 
Tunicata. 
Day, Edward C . — Heart Activity in As&idia 51 
Christie-Linde, Augusta Arnback — Reproductive Organs of Kiilcenthalia borealis 51 
Hartmeyer, R . — Genus Atopogaster 51 
IN VERTEBRATA. 
Mollusca. 2 
7* Gastropoda. 
Bonnevie, Kristine — New Pelagic Nudibrancli 51 
Ashby, Edwin — Victorian Chitons 52 
Arthropoda.® * 
a. Insecta. 
Shapley, Harlow — Persistence of Traces of Wings in Worker Ants 52 
,, — Thermokinetics of an Ant 52 
Jeannel, R . — Larvae of Cavernicolous Trechini 53 
Fen yes, Adalbert — New Aleocharinae and New Classification of Types .. .. 53 
Ferguson, E. W . — New Australian Tabanids 53 
Keilin, D . — Dipterous Larvas Feeding on Molluscs 53 
Herrmann, Elfriede — Peculiar Cells in Fat-body of Flies 54 
A 2 
