CONTENTS. IX 



PAGB 



BAViiGAfiTSE^,E. A.^Development of SerouB Glands of Tongue .. .... .. 180 



Sabin. Flobencb R. — Angioblasts and Blood-vessels 180 



BouiNG, Alice M.. & Raymond Pearl — Interstitial Cells in Beproduclive Organs 



of Chicken 180 



Pearl, BAyuo^n— Effects of Pituitary Body and Corpus Luteum on Clucks.. .. 181 



Bambki:, RiJTH C. — Hermaphrodite Dogfish 181 



Howland, Ruth B. — Femoral of Pronephros of Amphihian Embryo 181 



Morgan, T. H. — Inheritance in Fantail Pigeons 181 



Pearl, Raymond — Sex-ratio in Domestic Fowl 182 



LoEB, Jacques — Further Experiments on Sex of Frogs developed from ArtificiaUy 



Activated Eggs •■ .. '-90 



Thing. Alice — Zona Pell ucida in Turtle Eggs 290 



Gilchrist. J. D. F. — Eggs and Embryos of Bdellostoma 291 



Goodrich, Edwin S. — Development of Head-segments of Dogfish 291 



WiNTREBERT, P. — Earliest Movements of Dogfish Embryo 291 



Werber. E. I. — Morphcgenesis of Dnplicities 201 



HuBER. G. Carl — Development of Mammalian Nottjchord 292 



Boring, Alice M..& Raymond Pearl — Hermaphrodite Foivls 292 



Badertscher. J. A. — XJltimobranchial Bodies in Pig 202 



Chapman, W. 1). — Development of Bliiod-res<eh toithout Heart 293 



Boyden, Edward A. — Vestigial Gill-filaments in Sauropsida 293 



Herlant. Maurice — Cyclic Variations in Permeability of the Activated Ovum .. 293 



Pearl, Raymoxd, & Alice M. Boring — Corpus Luteum in Ovary of Chicken .. 293 



Duesberg, G. — Chondriosomesin Testis-cells of Fundulus 294 



Thompson, Helen B., & Lafayette B. Mendel— (?rotc</t of Mice 294 



Clark, Eliot R. — Growth of Blood-vessels in Frog Larvx 294 



Whiting, P. W. — Inheritance of Coat-colour in Cats 294 



Detwiler, S. R. — Development of Shoulder-girdle and Fore-limb in Amblystoma 



punctatum 295 



Harrison, Ross G. — Development of Fore-limb of Amblystoma punctatum .. .. 295 



Morrill, C. Y. — Ilegeneration after Exarticulation in Diemyctylus viridescens .. 295 



Swingle, W. W. — Effect of Starvation on Tadpoles 295 



,. .. — lliyro id Feeding of Tadpoles 29G 



Allen, Bennet 31. — Removal of Thyroid from Tadpoles 206 



Terry, George S. — Effect on Ossification in Tadpoles of Extirpating Thyroid .. 296 



Rogers, James B. — Effect of Thyroid Extirpation on Thymus and Pituitary Glands 206 



Uhlenhuth, Eduard — Influence of Thymus-f ceding 296 



Stewart, Chester A. — Effects of Underfeeding Young Albino Bats 297 



Uhlenhuth. E. — Graf Is ii, Amblystoma 297 



Hays, Frank A. — Sexual Activity of Male Babbit in Belation to Progeny .. .. 207 



Lloyd-Jones, Orren, & F. A. II\ys— Sexual Activity of Male Babbit 298 



Smith, Bertram G. — Germinal Vesicle in Cryptobranchus 359 



Hill, J. P. — Early Development of Opossum 359 



Cole, L. J., & L. J. Bachhuber — Lead-poisoning of Germ-cells 360 



Curtis, G. M. — Seminiferous Tubules of Mammals 360 



YoccM. Harry B. — Spermatogenesis in Mouse 360 



Malone, Julian Y. — Spermatogenesis of Dog .. •• 360 



Papanicolaou, George N., & Charles R. Stockard — Idiosome in Spermatogenesis 



of Guinea-pig .. .. , 361 



Danchakofp, Vera — Development of Bed Blood Corpuscles 361 



Stewart, Fred. W. — So-called Thymus IV. of Cat .. 362 



