AUTHOR AND SUBJECT INDEX 



ALBINO rat; also the effect of semi-spay ins; on 

 the remaining ovary. The effect of castra- 

 tion, spaying or semi-spaying on the weight 

 of the central nervous system and of the hy- 

 pophysis of the 296 

 Ali.ee, W. C. Further studies on physiological 

 states and rheotaxis in Isopoda. 257 

 Anesthetics for hypertonic sea water and cyanide 

 in artificial parthenogenesis in starfish eggs. 

 The physiology of cell-division. V. Substitu- 

 tion of 2.3 

 Armadillo. The modes of inheritance of aggregates 

 of meristic (integral) variates in the polyeni- 

 bryonic offspring of the nine-banded 145 

 Artificial parthenogenesis in frogs. Further obser- 

 vations on 379 

 Asplanchna amphora. Se.x-determination in 225 

 Asplanchna amphora Hudson, together with re- 

 marks on sexual reproduction. Experimentally 

 induced transitions in the morphological char- 

 acters of 91 



BANCROFT, FRANK W. Heliotropism, differ- 

 ential sensibility and galvanotropism in Eu- 

 glena. .383 



B.\NCROFT, F. W., LoEB, J.\^cQUES and Further 

 observations on artificial parthenogenesis in 

 frogs. 379 



Bicolorism in certain eye colors of Drosophila. Di- 

 lution effects and 429 

 Biparental inheritance of size in Paramecium. 193 

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

 effects and bicolorism in certain eye colors of 

 Dro.sophila. 429 

 Bridges, C-vlvin B. Non-disjunction of the sex 

 chromosomes of Drosophila. 587 



CALKINS, GARY N. and GREGORY, LOUISE 

 H. Variations in the progeny of a single ex- 

 conjugant of Paramecium caudatum. 467 



Castration,. spaying or semi-spaying on the weight 

 of the central nervous system and of the hy- 

 pophysis of the albino rat; also the effect of senii- 

 spaying on the remaining ovary. The effect 

 of 296 



Cell-divi.sion. The physiology of V. Substitution 

 of anesthetics for hypertonic sea water and 

 cyanide in artificial parthenogenesis in starfish 

 eggs. 23 



Cell size, nuclear size and the nucleo-cytoplasmic 

 relation during the life of a pedigreed race of 

 Oxytricha fallax. 1 



Central nervous system and of the hypophysis of 

 the albino rat; also the effect of semi-spaying 

 on the rernaining ovary. The effect of ca.stra- 

 tion, spaying or semi-spajing on the w^eight of 

 the 296 



Chromosomes of Drosophila. Non-disjunction of 

 the sex 587 



Chromatophores of fishes. The physiology of the 



527 



DILUTION effects and bicolorism in certain eye 

 colors of Drosophila. 429 



Dro.sophila. Dilution effects and bicolorism in cer- 

 tain eye colors of 429 

 Drosophila. Non-disjunction of the sex chromo- 

 somes of 587 



EUGLENA. Heliotropism, differential sensibil- 

 ity and galvanotropism in 383 

 Ex-conjugant of Paramecium caudatum. Varia- 

 tions in the progeny of a single 467 

 Eye colors of Drosophila. Dilution effects and bi- 

 colorism in certain 429 



FEEDING experiments with mice. 209 



Fishes. The physiology of the chromatophores 

 of 527 



Frogs. Further observations on artificial partheno- 

 genesis in 379 



GALVANOTROPISM in Euglena. Heliotro- 

 pism, differential sensibility and 383 

 Gregory, Louise H., C.'Ilkins, Gary N. and 

 Variations in the progeny of a single ex-conju- 

 gant of Paramecium caudatum. 467 



HATAI, SHINKISHI. The effect of castration, 

 spaying or .semi-spaying on the weight of the 

 central nervous system and of the hypophy- 

 sis of the albino rat; also the effect of semi- 

 spaying on the remaining ovary. 296 

 Heliotropism, differential .sensibility and galvano- 

 tropism in Euglena. 383 

 Heat. Some specific differences among Protozoa 

 with respect to their resistance to 131 

 Hutchison, Robert H. Some specific differences 

 among Protozoa with respect to their resistance 

 to heat. 131 

 Hydatina senta. Inheritance of egg characters and 

 of the sex ratio in 49 

 Hypertonic sea water and cyanide in artificial par- 

 thenogenesis in starfish eggs. The physiology 

 of cell-division. V. Substitution of anesthetics 

 for 23 

 Hypophysis of the albino rat; also the effect of 

 semi-spaying on the remaining ovary. The ef- 

 fect of castration, spaying or semi-spaying on 

 the weight of the central nervous system and 

 of the 296 



INHERIT.\NCE of aggregates of meristic (inte- 

 gral) variates in the polyembryonic offspring 

 of the nine-banded armadillo. The modes of 



145 



Inheritance of egg characters and of the sex ratio 



in Hydatina senta. 49 



Inheritance of size in Paramecium. Biparental 193 



Isopoda. Further studies on physiological states 



and rheotaxis in 257 



JENNINGS, H. S. and LASHLEY, K. S. Bi- 

 parental inheritance of size in Paramecium. 193 



LOEB, JACQUES. Further experiments on nat- 

 ural death and prolongation of life in the egg. 



201 

 LoEB, Jacques and Bancroft, F. W. Further ob- 

 servations on artificial parthenogenesis in frogs. 



379 

 LiLLiE, Ralph S. The physiology of cell-division. 

 V. Substitution of anesthetics for hypertonic 

 sea water and cyanide in artificial parthenogene- 

 sis in starfish eggs. 23 

 Lashley, K. S., Jennings, H. S. and Biparental 

 inheritance of size in Paramecium. 193 



607 



