SUBJECT AND AUTHOR INDEX 



AGENTS on the chromatophores of the 

 brook trout Salvelinus fontinalis Mitch- 

 ill. The action of various pharmaco- 

 logical and other chemical 147 



Amblystoma larvae. Photomechanical 

 changes in the retina of normal and trans- 

 planted eyes of 71 



Amblystoma tigrinum larvae to light and 

 darkness. The reactions of the melano- 

 phores of 195 



Animal coloration. Studies upon the bio- 

 logical significance of 533 



Antiopa in intermittent light and in con- 

 tinuous light of different illuminations, 

 and its bearing on the "continuous action 

 theory" of orientation. The rate of loco- 

 motion in Vanessa 507 



Applanatus Kennel. Effects of light and 

 darkness on the eye of Prorhynehus 519 



Aster: a reversible gelation phenomenon. 

 Microdissection studies. II. The cell... 483 



Auditory sensory epithelium in the formation 

 of the stapedial plate. The role of the 85 



BRISTLE inheritance in Drosophila. II. 

 Selection 109 



Brook trout Salvelinus fontinalis Mitchill. 

 The action of various pharmacological 

 and other chemical agents on the chro- 

 matophores of the 147 



CATTLE. The free-martin; a study of the 

 action of sex hormones in the foetal life 

 of 371 



Cell aster; a reversible gelation phenomenon. 

 Microdissection studies. II. The 483 



Chambers, Jr., Robert. Microdissection 

 studies. II. The cell aster; a reversible 

 gelation phenomenon 483 



Chapin, Catherine L. A microscopic study 

 of the reproductive system of foetal 

 free-martins 453 



Chemical agents on the chromatophores of 

 the brook trout Salvelinus fontinalis 

 Mitchill. The action of various pharma- 

 cological and other 147 



Chromatophores of the brook trout Salvelinus 

 fontinalis Mitchill. The action of various 

 pharmacological and other chemical 

 agents on the 147 



Cole, William H. and Dean, Carleton F. 



The photokineticreactionof frog tadpoles 361 



Coloration. Studies upon the biological sig- 

 nificance of animal 533 



Conjugation and encystment in Didinium 

 nasutum with especial reference to their 

 significance 335 



Continuous light of different illuminations 

 and its bearing on the "continuous action 

 theory" of orientation. The rate of 

 locomotion in Vanessa antiopa in inter- 

 mittent light and in 507 



Contractile vacuoles. I. An account of the 

 morphology, physiology, genetics and 

 cytology of this new race. Studies on a 

 race of paramoecium possessing extra 287 



Crepidula plana. I. History of the sexual 

 cycle. Studies on sex in the hermaphro- 

 dite mollusc 1 



Crepidula plana. 11. Influence of environ- 

 ment on sex. Studies on sex in the her- 

 maphrodite mollusc 225 



DARKNESS on the eye of Prorhynehus aji- 

 planatus Kennel. Effects of light and 519 



Darkness. The reactions of the melanophores 

 of Amblystoma tigrinum larvae to light 

 and 195 



Didinium nasutum with especial reference to 

 their significance. Conjugation and en- 

 cystment in 335 



DoLLEY, Jr., William L. The rate of loco- 

 motion in Vanessa antiopa in intermittent 

 light and in continuous light of different 

 illuminations and its bearing on the 

 "continuous action theory" of orientation . 507 



Drosophila. II. Selection. Bristle inherit- 

 ance in 109 



ENCYSTMENT in Didinium nasutum with 

 especial reference to their significance. 



Conjugation and 335 



En\dronment on sex. Studies on sex in the 

 hermaphrodite mollusc Crepidula plana. 



II. Influence of 225 



Epithelium in the formation of the stapedial 



plate. The r61e of the auditory sensory. . 85 

 Eyes of Amblysoma larvae. Photomechan- 

 ical changes in the retina of normal and 



transplanted '■ 71 



Eye of Prorhynehus applanatus Kennel. 

 Effects of light and darkness on the 519 



FOETAL free-martins. A microscopic study 

 of the reproductive system of 453 



Foetal life of cattle. The free-martin; a study 

 of the action of sex hormones in the 371 



Free-martins. A microscopic study of the 

 reproductive system of foetal 453 



Free-martin, a study of the action of sex hor- 

 mones in the foetal life of cattle. The . . 371 



Frog tadpoles. The photokinetic reactions 

 of 361 



Function with alterations in pigmentation. 

 Evidences associating pineal gland 207 



GEL.-^TION phenomenon. Microdissection 

 studies. II. The cell aster: areversible. 483 

 Gland function wth alterations in pigmenta- 

 tion. Evidences associating pineal 207 



Gould, Harley N. Studies on sex in the 

 hermaphrodite moillusc Crepidula plana. 



I. History of the sexual cycle 1 



Gould, H.vrley N. Studies on sex in the 



hermaphrodite mollusc Crepidula plana. 



II. Influence of environment on sex. . . . 225 



HANCE, Robert T. Studies on a race of 

 paramoecium possessing extra contrac- 

 tile vacuoles. I. An account of the 

 morphology, physiology, genetics and 



cytology of this new race 287 



Hermaphrodite mollusc Crepidula plana. 

 II. Influence of environment on sex. 



Studies on sex in the 225 



Hibernation. The spleen during 277 



Hormones in the foetal life of cattle. The 

 free-martin; a study of the action of sex. . . 371 



INHERITANCE in Drosophila. II. Selec- 

 tion. Bristle 109 



Intermittent light and in continuous light 

 of different illuminations, and its bearing 

 on the "continuous action theory" of 

 orientation. The rate of locomotion in 

 Vanessa antiopa in 507 



603 



