vm CONTENTS. 



PAGE 



Rettereb, E.. & Aug. TjELTEVKE — Origin of Closed Integumentary Follicles in the 



Bird ' 30 



Bendert, O.— Development of Columella auris in Greek Tortoise 30 



Fritsch, C. — Regeneration of Limbs in Amphibians 30 



Pearse, a. S. — Tadpoles in Sea-water 30 



Hammar, J. Aug. — Thym,us in Elasmobranchs 80 



KouLE, Louis — Lurvse of Apodous Fishes ,. 31 



Stricht, R. Vander — cum of Cat 1G6 



PoPOPF, N. — Interstitial TisstLe and Corpus Luteum of Ovary 1<)6 



Poll, H. — Spermatogenesis in Hybrids 167 



IwANOV. E.— Secretion of Accessory Heproductive Glands in Male Mammals .. .. IH7 



Miller, Newt( >n — Beproduction in Brown Rat 1 H7 



Jordan, H. E. — Pineal Body of Sheep 168 



SziLLY, Aurel v. — Melanotic Figment in the Embryonic Eye and in Malignant 



Tumours 1 ()8 



Hopewell-Smith, A., & II. W. Marett Tims — Development of Teeth in Wallaby 16!) 



Rosen, Nils — Alleged Skeletoge7iou>< Character (f Ectoderm in Vertebrates .. .. 169 



Hanson, E. R. — Parathyroid and Thytnus .. 170 



ZoTTERJiAN, Agne — Thymus of Pig 170 



KuscHAKEWiTScH, S. — Lateral Hermaphroditism in Edible Frog .. .. .. 170 



Jordan, H. E. — Inheritance of Left-handedncs 170 



Ogneff, J. — Effect of Darlmesx on Goldfish 170 



TuR, Jan — Origin of Zona Pelluclda of Mammalian Ovum 298 



Jordan, H. E. — Spermatogenesis of the Bat 298 



Winiwarter, Hans VON — Spermatogenesis in Man 298 



GuTHERZ, S. — Heterochromosome in Human Spermatocytes 299 



Kohlbrugge, J. H. F. — Spermatozoa Pcnetraling into BUii^iulx 299 



Hide — Alleged Dental Primordia in Birds 299 



Bornstein, Frieda — Development of Neiv Feathers 299 



Spehl, G., & J. PoLUS — Early Stages in Demlopmml of the Gonads in Axolotl .. 299 



Sawadsky, A. M. — Development of Adhesive Organ of Sturgeon 300 



Hase, A. — Development of Ctenoid Scales , .. .... 300 



GODLEWSKI, E., Jun. — Influence of Foreign Spierni (in the Ovum 390 



Guyer, M. F. — Testis of Guinea-chichen Hybrid » 390 



Jordan, H. E. — Sperm<dogenesis in Opossum 391 



KiRiLLOW, S. — Spermatogenesis of Horse 391 



LoEWENTHAL, N. — Development of < >rhital Glands 391 



Arnback-Christie-Linde, Augusta — Development of Teeth in Soricidce .. .. 391 



Spemann, H. — Development of Vertebrate Eye 392 



Geoss, J.— Heterochromosomes and Sex-determination 392 



Hertwig, GiJNTHER — Action of Radium llays on Spcrmatoioa 392 



BuRKABDT, L. — Absorption of Frog's Eggs 392 



Delage, Yves — Artificial Parthenogenesis 513 



Chapellier. a. — I'arthenogenetic Segmerdation in Eggs of Hybrid Ducks .. . 513 



WiNTREBERT, P. — Hatching of Axloti s Egg 514 



O'Donoghue, Chas. H. — Corpus luteum and I'olyomlar FiiUicle>' in Dasyurus .. 514 



Patterson, J. Thomas — Polyembryonic Development in Armadillo 514 



Winiwarter, Hans xoa^ Interstitial Testicular Cells i7t. Man 514 



P>ENEDEN, Ed. VAN — Mammalian Development 514 



Peyer, Bernhard — Development of Viper's Sh nil 515 



NowiKOFF, ]M. — Development of Parietal Eye in RejAiles 515 



Delpurte, Fr. — Implantation of Human Ovum 599 



LicKTEiG, A. & E. — Development of Dentine Matrix 599 



FuNKQUisT, H. — Histogenesis of Pineal Organ 599 



Smith. Geoffrey — Spermatogenesis in Hybrid Pigeons 600 



Stromsten, FitANK A. — Development of Thoracic Duct iu Turtlcs 600 



BuRLEND, T. H. — Development of the Kidney in Clielonia 601 



INIakuschok, jM. — Development of Lungs in l'elobutesfuscti>^ 601 



Derjugin, K.., & E. Ruzhdestvensky — Development of Pelvic Fins in Exocoetus .. 601 



Wi^TR\A',EHT, v.— Hatching of Goldfish Egg 601 



Maximow, A. — Development of Thymus in Selachians 601 



