AUTHOR AND SUBJECT INDEX 
DAPTATION of fish (Fundulus) to higher 
temperatures. On the 543 
Alcohol, nicotine, tobacco smoke and caffeine on 
white mice. Comparative studies of the effects 
of I. Effects on reproduction and growth. 133 
Amphibians. Studies on sex-determination in. V. 
The effects of changing the water content of the 
egg at or before the time of fertilization on the 
sex-ratio of Bufo lentiginosus. 319 
Arbacia-Toxopneustes crosses. Studies in cytology. 
I. A further study of the chromosomes of T 
variegatus. II. The behavior of the chromo- 
somes in 391 
Boe Frank W. Heredity of pigmenta- 
tion in Fundulus hybrids. 153 
Bancrort, F. W., Lorn, Jacques AND. Can the 
spermatozoon develop outside the egg? 381 
AFFEINE on white mice. Comparative stud- 
ies on the effects of alcohol, nicotine, tobacco 
smoke and I. Effects on reproduction and 
growth. 133 
Carbon dioxide om various protozoa. Studies on 
the physiological characters of species. I. The 
effects of \ 519 
Cell size and nuclear size. 1 
Characters of species. Studied on the physiologi- 
eal. I. The effects of carbon dioxide on various 
protozoa. 519 
Chemical properties of hay infusions with special 
reference to the titratable acidity and its rela- 
tion to the protozoan sequence. 265 
Chromosomes of Toxopneustes variegatus. II. The 
behavior of the chromosomes in Arbacia-Toxo- 
pneustes crosses. Studies in cytology. I. A 
further'study of the 391 
Conk.iin, Epwin G. Cellsize and nuclear size. 1 
CopmnLAND, Manton. The olfactory reactions of 
the puffer or swellfish, Speroides maculatus 
(Bloek and Schneider). 363 
Curtis, MayniE R., Peart, RAYMOND and Stud- 
ies on the physiology of reproduction in the 
domestic fowl. V. Data regarding the phys- 
iology of the oviduct. 99 
Cytology. Studies in I. A further study of the 
chromosomes of Toxopneustes variegatus. II. 
The behavior of the chromosomes in Arbacia- 
Toxopneustes crosses. 391 
1 eee Size inheritance in 369 
ERTILIZATION in Hyatina senta. Rein- 
vigoration produced by cross 337 
Fertilization in Nereis. Studies of III. The mor- 
phology of the normal fertilization of Nereis. 
IV. The fertilization power of portions of the 
spermatozoon. 413 
Fine, Morris S$. Chemical properties of hay in- 
fusions with special reference to the titratable 
acidity -and its relation to the protozoan se- 
quence. 265 
Fowl. Studies on the physiology of reproduction 
in the domestic V. Data regarding the physi- 
ology of the oviduct. 99 
Fowls. An experiment dealing with enna 
in 
Heredity of pigmentation in 
153 
Fundulus to higher temperatures. On the adap- 
tation of fish 543 
Fundulus hybrids. 
ROWTH. Comparative studies on the effects 
of ‘alcohol, nicotine, tobacco smoke and caf- 
feine on white mice. I. Effects on reproduc- 
tion and 133 
EREDITY of pigmentation in Fundulus 
hybrids. 153 
Hybrids. Heredity of pigmentation in Fundu- 
lus 153 
Hydatina senta. Reinvigoration produced by cross 
fertilization in 33 
Hydatina senta. Studies in the life cycle of. III. 
Internal factors influencing the proportion of 
male-producers. 28 
NFUSIONS. Observations on the origin and 
sequence of the portozoan fauna of hay 205 
Infusions with special reference to the titratable 
acidity and its relation to the protozoa sequence. 
Chemical properties of hay 265 
Inheritance in ducks. Size 369 
Internal factors influencing the proportion of male- 
producers. Studies in the life cycle of Hydatina 
senta. 283 
ACOBS, Merxet Henry. Studies on the 
physiological characters of species. I. The 
effects of carbon dioxide on various proto- 
ZOa. 519 
ING, HeLten Dean. Studies on sex-deter™ 
mination in Amphibians. V. The effects 
of changing the water content of the egg at 
or before the time of fertilizatiom on the sex- 
ratio of Bufo lengitinosus. 319 
IFE cycle of Hydatina senta. Studies in the. 
III. Internal factors influencing the propor- 
tion of male-producers. 283 
LInui£, FRANK R. Studies of fertilization in Nereis. 
II. The morphology of the normal fertiliza- 
tion of Nereis. IV. The fertilization power of 
portions of the spermatozoon. 413 
Logs, Jacquges, and Bancrort, F. W. Can the 
spermatozoon develop outside the egg? 381 
Loxs, Jacques, and WAsTENEYS, HaRpDOLPH. On 
the adaptation of fish (Fundulus) to higher 
temperatures. 543 
Longevity in Saturniid moths; an experimental 
study. 179 
ALE-PRODUCERS. Studies in the life cycle 
of Hydatina senta. III. Internal: factors 
influencing the proportion of 283 
Male-producing eggs of Phylloxerans. The elimi- 
nation of the sex-chromosomes from the 479 
Mice. Comparative studies on the effects of alcohol, 
nicotine, tobacco smoke and caffeine on white. 
I. Effects on reproduction and growth. 133 
Morean, Tuomas H. The elimination of the sex- 
chromosomes from the male-producing eggs 
of Phylloxerans. 47 
Moths; an experimental study. Longevity in See 
niid 17 
