608 



INDEX 



M ERISTIC (integral) variates in the polyem- 

 bryonic offspring of the nine-banded arma- 

 dillo. The modes of inheritance of aggre- 

 gates of 145 

 Mice. Feeding experiments with 209 

 Mice. The effects of atmospheric temperature upon 

 the body temperature of 31.5 

 Mitchell, Claude W. Experimentally induced 

 transitions in the morphological characters of 

 Asplanchna amphora Hudson, together with re- 

 marks on sexual reproduction. 91 

 Mitchell, Claude W. Sex-determination in As- 

 planchna amphora. 225 

 Morgan, T. H. and Bridges, C. B. Dilution ef- 

 fects and bicolorism in certain eye colors of 

 Drosophila. 429 



NATURAL death and prolongation of life in the 

 egg. Further experiments on 201 



Newman, H. H. The modes of inheritance of ag- 

 gregates of meristic (integral) variates in the 

 polyembryonic offspring of the nine-banded 

 armadillo. 115 



Nucleo-cytoplasmic relation during the life of a 

 pedigreed race of Oxytricha fallax. Cell size, 

 nuclear size and the 1 



Nuclear size and the nucleo-cytoplasmic relation 

 during the life of a pedigreed race of Oxytricha 

 fallax. Cell size, 1 



OVARY. The effect of^castration, spaying or 

 semi-spaying on the weight of the central ner- 

 vous system and of the hjyaophysis of the al- 

 bino rat; also the effect 6i semi-spaying on the 

 remaining 296 



Oxytricha fallax. Cell .size, nuclear size and the 

 nucleo-cytoplasmic relation during the life of a 

 pedigreed race of 1 



PARAMECIUM. Biparental inheritance of size 

 in 193 



Paramecium caudatum . ^iVSriations in the prog- 

 eny of a single ex-con jugant of 467 



Parthenogenesis in frogs. Further observations on 

 artificial 379 



Parthenogenesis in starfish eggs. The physiology 

 of cell-division. V. Substitution of anesthetics 

 for hypertonic sea water and cyanide in artificial 



23 



Physiological states and rheotaxis in Isopoda. Fur- 

 ther studies on 257 



Physiology of cell-division. V. Substitution of anes- 

 thetics for hypertonic sea water and cyanide in 

 artificial parthenogenesis in starfish eggs.' The 



23 



Physiology of'the chromatophores of fishes. The 527 



Polyembryonic offspring of the nine-banded arma- 

 dillo. The modes of inheritance of aggregates 

 of meristic (integral) variates in the 145 



Progeny of a single ex-conjugant of Paramecium 

 caudatum. Variations in the 467 



Prolongation of life in the egg. Further experiments 

 on natural death and 201 



Protozoa with respect to their resistance to heat. 

 Some specific differences among 131 



REPRODUCTION. Experimentally induced 

 transitions in the morphological characters of 

 Asplanchna amphora Hudson, together with 

 remarks on sexual 91 



Resistance to heat. Some specific differences among 

 Protozoa with respect to their 131 



Rheotaxis in Isopoda. Further studies on physio- 

 logical states and 257 



SHULL, A. FRANJO^IN. Inheritance of egg 

 characters and of the sex ratio in Hydatina 

 senta. 49 



Semi-spaying on the weight of the central nervous 

 system and of the hypophysis of the albino rat; 

 also the effect of semi-spaying on the remaining 

 ovary. The effect of castration, spaying or 296 



Sensibility and galvanotropism in Euglena. Heliot- 

 ropism, differentia,! 383 



Sex chromosomes of Drosophila. Non-disjunction 

 of the 587 



Sex-determination in Asplanchna amphora. 225 



Sex ratio in Hydatina senta. Inheritance of egg 

 characters and of the 49 



Size in Paramecium. Biparental inheritance of 193 



Spaeth, R. A. The physiology of the chromato- 

 phores of fishes. 527 



Spaying or semi-spaying on the weight of the cen- 

 tral nervous system and of the hypophysis of 

 the albino rat; also the effect of semi-spaying 

 on the remaining ovary. The effect of castra- 

 tion, 296 



Starfish eggs. The Physiology of cell-division. V. 

 Substitution of anesthetics for hypertonic sea 

 water and cyanide in artificial parthenogenesis 

 in 23 



Sumner, Francis B. The effects of atmospheric 

 temperature upon the body temperature of 

 mice. 315 



TEMPERATURE upon the body temperature of 

 mice. The effects of atmospheric 315 



Transitions in the morphological characters of As- 

 planchna amphora Hudson, together with re- 

 marks on sexual reproduction. Experimentally 

 induced 91 



V 



ARIATIONS in the progeny of a single 

 jugant of Paramecium caudatum. 



ex-con- 

 467 



WEIGHT of the central nervous system and of 

 the hypophysis of the albino rat; also the 

 effect of semi-spaying on the remaining 

 ovary. The effect of castration, spaying or 

 semi-spa.ying on the 296 



Wheeler, Ruth. Feeding experiments with mice 



209 



Woodruff, Lorande Loss. Cell size, nuclear size 



and the nucleo-cytoplasmic relation during the 



life of a pedigreed race of Oxytricha fallax 1 



