t 
3 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
VERTEBRATA. 
a. Embryology, Evolution, Heredity, Reproduction, 
and Allied Subjects- 
PAG E 
Painter, Theophilus S . — Spermatogenesis of Man 169 
Guyer, M. F . — Experiments with Spermatotoxins 169 
| Riddle, Oscar, & Ellinor H. Behre — Vitality of Spermatozoa in Doves .. .. 170 
Painter, Theophilus S . — Spermatogenesis of Lizards 170 
j Clemens, Wilbert A . — Complete Hermaphroditism in a Bullfrog 170 
! Streeter, George L . — Migration of Ear Vesicle in Tadpole 170 
! Wiemann, H. L . — Transplanting Part of Neural Tube of Larval Amblysloma . . 171 
Detwiler, S. R. — Nerve- Connexions in Transplanted Limbs of Larval Ambly stoma 171 
b. Histology- 
[ Penfield, Wilder G . — Golgi Apparatus and Holmgren's Trophospongium in 
Nerve-Cells 172 
! Rasmussen, A. T. — So-called Hibernating Gland 172 
| Carey, Eben J . — Structure of Small Intestine 172 
McClure, Charles F. N. — Origin of Endothelium 172 
1 Nakhara, Waro, & James B. Murphy — Germ-Centres in Lymphoid Tissue .. .. 173 
Heilbrunn, L. V. — Viscosity Changes during Mitosis 173 
j Atwell, Wayne J . — Structure of Hypophysis in Urodela 173 
Cowdry, E. Y . — Flagellate Thyroid Cells in Dogfish 174 
j Miller, Shirley P . — Influence of Inanition on Mitochondria of Gastro-intestinal 
Epithelium and of Pancreas 174 
i Cone, Sydney M . — Endings of Cut Nerves .. .. 174 
Lewis, Warren H . — Is Mesenchyme a Syncytium ? 174 
i Florence, Laura — Hematomas in Heart Valves of Calves 174 
c. General. 
Yatsu, Naohide — Parabiosis in Rats 175 
| Bodine, J. H . — Catalase Content of Organisms 175 
i Laughlin, Harry M . — Antilogies between Dice-casting and Breeding 175 
\ Hisaw, F. L . — Degeneration of Pelvis in Female Gopher 176 
Horning, Benjamin, & Harry Beal Torrey — Hen-Feathering induced in Male 
Fowls by Feeding Thyroid 176 
Obreshkove, Vasil — Photic Reactions of Tadpoles 176 
: Baldwin, W. M . — Penetrative Capacity of Ultra-violet Rays in Frog Embryos ,. 176 
j Morgan, Ann Haven — Temperature Sense in Frog's Skin 177 
\ Leigh-Sharpe, W. Harold — Evolution of Claspers of Elasmobranchs 177 
„ „ — Claspers and Associated' Structures 177 
; Audige, P . — Growth of Fishes in Relation to Temperature 177 
Swett, F. H . — Situs Inversus Viscerum in Double Trout 177 
Barney, R. L., & B. J. Anson — Fecundity of Top-Minnow 178 
Tunicata. 
Mast, S. 0 . — Reactions to Light in Larvae Amaroucium 178 
I Huxley, Julian S. — De-differentiation in Perophora 178 
» Arnback-Christie-Linde, Augusta — New Styelid Tunicate from Norway .. .. 179 
Huntsman, A. G. — Parallelism in Ascidians 179 
A 2 
