CONTENTS. IX 



PAGE 



Creighton, C. — Chick's Amnion- Allantois 300 



Voeltzkow, A. — Development of Crocodile 300 



Loyez, Marie — Ovarian Follicle* of Reptiles 301 



Kerr, J. Graham — External Features in the Development of Lepidosiren para- 



doxa Fitz 301 



Delage,Yves — Merogonic Fertilisation.. .. 302 



Philippi — Convergence 302 



Pearson, Karl — Law of Reversion 303 



Anthony, E. — Polydactylism in Poultry 303 



Corning, H. R. — Development of Musculature of Reptiles 303 



Bromar, Ivar — Giant Spermatids in Bombinator igneus 304 



„ „ Spermatozoa of Bombinator igneus 304 



Wilson, E. B. — Cell-Cleavage and Phytogeny 439 



Griffin, B. B. — Centrosome and Chromosomes 439 



Sobotta, J. — Mitotic Figures in Ovarian Ova of Mammals 440 



Honore, Charles — Structure of Ovary of Rabbit 440 



Amann, J. A., & W. Flemming — Ovarian Ova in Mammals 441 



Foa, C. — Transplantation of the O car y 441 



Ebner, V. von — Spermatogenesis in Mammals 441 



Loisel, Gustave — Spermatogenesis in Sparrow .. .. 441 



Eisen, G. — Spermatogenesis in Batrachoseps . 442 



Willink, Tjeenk H. D. — Dental Ridges in Bird 442 



Bataillon E. — Experimental Embryology 442 



„ „ Experimental Polyembryony 442 



Harrison, R. G. — Experiments in Grafting Tadpoles' Tails 443 



Fere, Ch. — Variations in the Position of the Chick Embryo .. 444 



Dean, Bashford — Development of Bdellostoma Stouti 444 



Macbride, E. W. — Development of Amphioxus 446 



Peter, Karl — Development of Nasal Groove .. 446 



Winkler, Hans — Segmentation induced by Sperm-Extract 55y 



Sommer, Max — Alleged Transmission of artificially induced Epilepsy in Guinea-pigs 559 



Schumacher, S. von, & C. Scb.v?ab.z— Multinucleate Ova 559 



Schuller, Max — Envelopes of Sen's Egg 559 



Rauber, A.— Sex of Extra-uterine Foetus . . .... . . .... 560 



Bataillon, E. — Artificial Parthenogenesis in Amphibia and Fishes 560 



Kollmann, J. — Placenta of Macacus . 560 



Kohn, A. — Origin and Development of Carotid Gland . . 560 



Aichel, Otto — Development of Adrenal Bodies 561 



Helly, Konrad, K. — Development of the Duodenal Papillx 561 



Sclavunos, G. — Germinal Cells of Spinal Cord 562 



Janssens, J. A. — Sexual Kinesis in Triton 562 



Punnett, R. C. — Another Hermaphrodite Frog 562 



Cederblom, Elin — Dentition of Rodents 562 



Laaser, Paul — Dental Ridge of Selachians .. 563 



Kopsch, Fr. — Homology of Kupffer's Vesicle .. 563 



Garstang, Walter — Rearing of Sea-fish Larvae 563 



Windle, Bertram C A.— Recent Teratological Literature 563 



Pearson, Karl — Homogamy and Fertility 564 



Barrett-Hamilton, G. E. H. — Secondary Sexual Characters 564 



Hill, Charles — Segmentation of Vertebrate Head 564 



Herlitzka, A. — Transplantation of Ovaries 653 



Gurwitsch, Alexander — Structure of Mammalian Ovum 653 



Winiwarter, Hans von — Oogenesis in Mammals 654 



Ebner, V. von — Zona pellucida and Egg 655 



Schultze, Oskar — Effect of Gravity on Development .. 655 



Tonkoff, W. — Development of Spleen 655 



Minot, C S. — Mesothelial Allantoic Villi of Pig . . .656 



Sampson, Lilian V. — Peculiarities of Breeding and Development in Anura . ■ ■ 656 



Emmert, J. — Development of Torpedo marmorata 656 



Holmgren, Emil — Oocytes of Cat 656 



