vil AUTHOR AND SUBJECT INDEX 
ERBEIS. Studies of fertilization in. III.’ The 
morphology of the normal fertilization of 
Nereis. IV. The fertilization power of por- 
tions of the spermatozoon. 413 
Nice, L. B. Comparative studies on the effects 
of alcohol, nicotine, tobacco smoke and caffeine 
on white mice. I. Effects on reproduction and 
growth. 133 
Nicotine, tobacco smoke and eaffeine on white mice. 
Comparative studies on the effects of alcohol, 
I, Effects on reproduction and growth. 13 
Nuclear size. Cell size and 
LFACTORY reactions of the puffer or swell- 
fish, Speroides maculatus (Block and Schnei- 
der). The 363 
Oviduct. Studies on the physiology of reproduction 
in the domestic fowl. V. Data regarding the 
physiology of the 99 
EARL, .RaymMonp, and Curtis, MayniE R. 
Studies on the physiology of reproduction 
in the domestic fowl. V. Data regarding the 
physiology of the oviduct. 
Purtires, JOHN C. Size inheritance in ducks. 369 
Phylloxerans. The elimination of the sex-chromo- 
somes from the male-producing eggs of 479 
Pigmentation in Fundulus hybrids. Heredity 
fe) 153 
Protozoa. Studies on the physiological characters 
of species. I. The effects of carbon dioxide 
on various 519 
Protozoan fauna of hay infusions. Observations 
on the origin and sequence of the 205 
sequence. Chemical properties of hay in- 
fusions with special reference to the titratable 
acidity and its relation to the 265 
pee: NELLIE, Port Rav, and. Longevity in 
Saturniid moths; an experimental study. 179 
Reproduction and growth. Comparative studies 
on the effects of alchohol, nicotine, tobacco 
smoke and caffeine on white mice. I. Effects 
on 133 
Reproduction in the domestic fowl. Studies on 
the physiology of V. Data regarding the phy- 
siology of the oviduct. 99 
i ee moths; an experimental study. 
Longevity in 179 
Sex-chrosomomes from the male-producing eggs of 
of Phylloxerans. The elimination of the 479 
Sex-determination in Amphibians. Studieson. Y. 
The effects of changing the water content of 
the egg at_or before the time of fertilization on, 
the sex-ratio of Bufo lengitinosus. 319 
Sex-linkage in fowls. An experiment dealing with 599 
Sex-ratio of Bufo lentiginosus. Studies on sex- 
determination in Amphibians. V. The effects 
of changing the water content of the egg, at or 
before the time of fertilization on the 319 
SHutu, A. FRANKLIN. Studies in the life cycle of 
Hydatina senta. III. Internal factors influenc- 
ing the proportion of male-producers. 283 
Species. Studies on he physiological characters of. 
I. The effects of carbon dioxide on various 
protozoa. 519 
Spermatozoon develop outside the egg? Can the 381 
——Studies of fertilization in Nereis. III. 
The morphology of the normal fertilization 
of Nereis. IV. The fertilization power of por- 
tions of the 413 
Spheroides maculatus (Block and Schneider). The 
olfactory reactions of the puffer or swellfish. 363 
Sturtevant, A. H. An experiment dealing with 
sex-linkage in fowls. 599 
Swellfish, Speroides maculatus (Block and Schnei- 
der). The olfactory reactions of the puffer 
or 6 
EMPERATURES. On the adaptation of fst 
(Fundulus) to higher 
TENNANT, Davip H. Studies in cytology. 7 
A further study of the chromosomes of Toxo- 
pneustes variegatus. II. The behavior of the 
chromosomes in Arbacia-Toxopneustes ae 
es. 1 
Tobacco smoke and caffeine on white mice. Com- 
parative studies on the effects of alcohol, nico- 
tine, J. Effects on reproduction and growth.133 
Toxopneustes variegatus. II. The behavior of the 
chromosomes in Arbacia-Toxopneustes crosses. 
Studies in cytology. I. A further study of 
the chromosomes of 391 
ASTENEYS, Harpoitpy, Loxrs, Jacquss, 
and On the adaptation of fish (Fundulus) 
to higher temperatures. 543 
Water content ofthe egg at or before the time of 
fertilization on the sex-ratio of Bufo lengiti- 
nosus. Studies on sex-determination in Am- 
phibians. V. The effects of changing the 319 
WuitNey, Davin Day. Reinvigoration produced 
by cross fertilization in Hydatina senta. 337 
Wooprurr, LoRaANDE Loss. Observations on the 
origin and sequence of the protozoan fauna of 
hay infusions. 205 
