Vlll CONTENTS. 



OBITUARIES. 



PAGE 



Thomas William Butcher 176 



Charles Lees Curties. By H. F. Angus 278 



Edward Francis Hodges. By A. AV. Sheppard 536 



SUMMARY OF CURRENT RESEARCHES. 



ZOOLOGY. 

 VERTEBRATA. 



«• Embryolog-y- 



Packakd, Charles — Effect of Radium Bays on Ova 56 



SOHULTE, H. VON W., & FREDERICK TiLNEY — Development of Neurazis of Cat .. 56 



Brookover, Charles — Development of Olfactory Nerve 57 



Fraser, Elizabeth A. — Development of Eye-iuu''cle>i in Marsupials ., 57 



Parker, Katharine M. — Development of Heart in Mar nupiuU 58 



Eetterer, Ed. — Placenta of Maaxcus 58 



Piersol, W. H. — Egg-laying of Flethodon cinereus 59 



Cotronei, G. — Experimental Embryology 59 



Swift, Charles H. — Oogenesis in Chick 177 



NiCHOLLS, G. E. — Intracranial Ganglion on Oculomotor Nerve of Dogfish .. .. 178 



Eeagan, F. P. — Vascularization Phenomena in Blai'toderm Fragments 179 



Eeed, H. D. — Development of Sound-transmitting Apparatus in Necturns .. .. 179 



AVerber, E. I. — Experimental Production of Defective and Monstrous Development 179 



King. Helen Dean, & J. M. Stotsenburg — Reproduction of White Rat .. .. 180 



Stotsenbdrg, J. M. — Growth of the Foetal Albino Uat 180 



Jackson, C. M. — Relative Weight-changes in the Organs of Young Albino Rats .. 181 



Goodrich. E. S. — Chorda tympani and Middle Ear in Reptiles. Birds and Mammals 182 



Ewart, J. CossAR — Development of Horse 279 



Kingsbury, B. F. — Derivatives of Human Pharynx 280 



KuNKEL, B. AV. — Paraphysis and Pineal Region of Garter Snake 281 



Bremer, J. L. — Mesonephric Corpuscles of Some Uuminants 281 



Atwell, AVayne J. — Relation of Notochord to Hypophysis 281 



BouNHioL, E. J., & L. Pron — Hermaphroditism of Gilthead 282 



Curtis, Maynie K., «& Raymond Pearl — Somatic Sterility 282 



Clark, Eleanor L. — Development of Lymphatics in Chick Einbryo 283 



Hatai. Shinkishi — Influence of Exercise on Growth of Bat 283 



King, Helen Dean — Growth and Weight in Albino Bat 284 



McClure, Charles F. AV. — Development of Lymjihafic System 284 



Stockard, Charles R. — Me>:enchyme Cells of Teleost Yolk-sac 284 



Gatenby, J. Bronte — Transition of Peritoneal Epithelial Cells into Germ-cells in 



gome Amphibians 366 



Haswell, AV. A. — Intra-uterine Eggs of Heterodontus (Cestracion) philippi .. .. 367 



Hadley, Philip B., & Dorothy AV. Caldwell — Infection of Hens' Eggs .. .. 367 



Curtis. Maynie R. — Double-yolked Eggs 368 



Pearl, Raymond, & Frank M. Surface — Pituitary Extract and Ovarian Activity 368 



„ „ „ Sex-changes in a Cow 368 



