vin CONTENTS. 



SUMMARY OF CURRENT RESEARCHES 



ZOOLOGY. 



VERTEBRATA. 

 a. Embryology- 



PAGE 



Gray, J. — Electrical Conductivity of Ova .» .. .. 23 



Oppermann, K. — Effect of lladium-rayed Sperms on Trout Ova 32 



Wassermann. F. — Oogenesis of Zoogonus mirus 33 



Palmer. R. W. — Development of Ear Ossicles in Foetal Perameles 33 



Schl ei lit, Joseph — Early Development of Scale and Feather .. 33 



Radford, Marion — Development of Pharyngeal Bursa in Ferret 33 



IvanoW, E. — Artificial Insemination in Birds 34 



Brachet, A. — Development of Rabbit's Embryo in Vitro 155 



Bataillon, E. — Artificial Parthenogenesis in Amphibians 155 



Levy, Fritz— Artificial Parthenogenesis in Frog 156 



Hertwig, Gunther— Artificial Parthenogenesis in Frog and Toad 15b" 



Fuhrmanx. 0.— Hermaphroditism in Toad 15b" 



Williamson, A. ('has. — Eggs of Skates .. -• 157 



Ballowitz, E.— Spermatozoon of Guillemot 157 



Roule, Louis — Larval Phases of Nemichthydx 157 



Jarojiir Wenig — Development of the Heart in Fishes and Amphibians 239 



Saint-Hilaire, C— Yolk-granules of Amphibians 239 



Buuin, P., & P. Ancel — Action of Corpus luteum on Mammary Glands .. .. 240 



0'Donoghue : Chas. H.— Artificial Production of Corpora lutea 240 



., „ Corpus luteum in Marsupials 240 



Bond. C. J. — Regeneration of Testes in Birds 240 



Fraenkel, Manfred — Influence of Rontgen Rays on Ovaries 241 



Firket, Jean — Development of Gonads in Chick 241 



Jenkinson, J. W. — Development of the Centrifuged Egg of the Frog 244 



Laet. Maurice de — Development of Mucous Membrane of Stomach 24."> 



Willey, Arthur — Blastocyst and Placenta of^Beaver 337 



Curtis, M. R. — Reproduction in Domestic Fowl 337 



Smith, Ltjot W. — Development of Columella auris in Chrysemys marginata | . . .. 338 



Maki schi ik, M.-— Development of Lungs in Bombinator igneus 338 



Keisek, W. — Development of Vascular System of Lamprey 338 



Brachet, A.— Development of Chelonia 339 



Tottov, A. Knyvett — Development of Caudal Skeleton in Pleuragramma antarcticum 340 



"Wood-Jones, F. — Reproductive System of Female Mole 341 



Seliumasn, C.G., & S. G. Shattock — Seasonal Changes in Testes and Plumage in 



Wild Duck 341 



Witschi, E.— Development of Gonads of Frog 434 



Pick. Ludwig— True Hermaphroditism in Man and Mammals 435 



Tayssiere & G. Quintaret — Hermaphroditism in a Dogfish 435 



Haff, R. — Blood-formation in Embryonic Liver .. .. 435 



Haller. B. — Origin of Snpra-cleithral Bones from Epidermis 435 



Lebedinskv, N. <;. — Development of Pectineal Pracest 436 



Bogoljubsky, S. — Development of Lacertiliau Sternum and Pectoral Girdle .. .. 436 



Houssay, F. — Embryonic Circulation in Axolotl .. .. 436 



Ga i.e. Albert — Eggs and Egg-laying of Purple-striped Gudgeon 520 



J/archetti, Laura — Observations on Development of Toad 521 



