SUBJECT AND AUTHOR INDEX 
ALLIGATOR mississippiensis and its pho- 
tomechanical changes. Studies on the 
retina. The structure of the retina of . . 207 
Amblystoma punctatum. Experiments on 
the effect of removal of the pronephros of ." 355 
Ameba proteus. Food reactions of 397 
Anurans. I. The male sexual cycle of Rana 
catesbeiana larvae. The germ cells of ... . 235 
Arey, Le.slie B., .\nd Crozier, W.J. On the 
natural history of Onchidium. 443 
Asilus sericeus Say. Spermatogenesis in the 
fly 165 
BODINE, Joseph Hall. Factors influenc- 
ing the water content and the rate of 
metabolism of certain Orthoptera 137 
BuRGE, E. L., BuRGE, W. E., AND. An expla- 
nation for the variations in the intensity 
of oxidation in the life-cycle 203 
BtRGE, \V. E., AND BuRGE, E. L. An expla- 
nation for the variations in the intensity 
of oxidation in the life-cycle 203 
CELLS of anurans. I. The male sexual 
cycle of Rana catesbeiana larvae. The 
germ 235 
Changes. Studies on the retina. The struc- 
ture of the retina of Alligator mississip- 
piensis and its photomechanical : 207 
Chemical sense of Xereis virens Sars. The 
feeding habits and _ 427 
Content and the rate of metabolism of cer- 
tain Orthoptera. Factors influencing the 
water 137 
Crossing over. Further studies on the effect 
of temperature on 187 
Crossing over. I. The effect of selection on 
crossover values. Studies on 333 
Crozier, \V. J., Aret, Leslie B., and. On 
the natural history of Onchidium 443 
Cycle of Rana catesbeiana larvae. The germ 
cells of anurans. I. The male sexual 235 
DETLEFSEN, J. A, AND Roberts, E. 
Studies on crossing over. I. The effect 
of selection on crossover values 333 
Detwiler, S. R., Laurens, Henry, and. 
Studies on the retina. The structure of 
the retina of Alligator mississippiensis and 
its photomechanical changes 207 
FEEDING habits and chemical sense of 
Nereis virens Sars. The 427 
Fly Asilus sericeus Say. Spermatogenesis in 
the 164 
Food reactions of Ameba proteus g97 
GERM cells of anurans. I. The male sex- 
ual cycle of Rana catesbeiana larvae. 
The 235 
Gross, Alfred O. The feeding habits and 
chemical sense of Nereis virens Sars 427 
HABITS and chemical sense of Nereis vi- 
rens Sars. The feeding 427 
Harrison, Ross G. On relations of sym- 
metry in transplanted limbs 1 
History of Onchidium. On the natural 443 
HowLAND, Ruth B. Experiments on the 
effect of removal of the pronephros of "^ 
Amblystoma punctatum 355 
INTENSITY of oxidation in the life-cycle. 
An explanation for the variations in the . 203 
KEPNER, Wm. a., and Whitlock. W. 
Carl. Food reactions of Ameba pro- "^ 
teus 397 
LAURENS, Henry, and Detwiler, S. R. 
Studies on the retina. The structure of 
the retina of Alligator mississippiensis 
and its photomechanical clianges 207 
Life^cycle. An explanation of the variations 
in the intensity of oxidation in the 203 
Limbs. On relations of symmetry in trans- 
planted ' 1 
METABOLISM of certain Orthoptera. 
Factors influencing the water content 
and the rate of 137 
Metz, Charles W., and Nonidez, Jose F. 
Spermatogenesis in the fly, Asilus sericeus 
Sav 165 
N 
ATURAL history of Onchidium. On the 443 
Nereis virens Sars. The feeding habits and 
chemical sense of 427 
Nonidez, Jose F., Metz, Charles W., and. 
Spermatogenesis in the fly, Asilus sericeus 
Say 165 
/^NCHIDIUM. On the natural history of 443 
Orthoptera. Factors influencing the water 
content and the rate of metabolism of cer- 
tain 137 
Over. Further studies on the effect of tem- 
perature on crossing 187 
Over. I. The effect of selection on crossover 
values. Studies on crossing 333 
Oxidation in the life-cycle. An explanation 
for the variations in the intensity of 203 
PHOTOMECHANICAL changes. Studies 
on the retina. The structure of the ret- 
ina of Alligator mississippiensis and its. 207 
Plough, Harold H. Further studies on the 
effect of temperature on crossing over . . 187 
Pronephros of Amblystoma punctatum. Ex- 
periments on the effect of the removal of 
the 355 
Proteus. Food reactions of Ameba 397 
Punctatum. Experiments on the effect of 
removal of the pronephros of Amblystoma 355 
RANA catesbeiana larvae. The germ cells 
of anurans. I. The male sexual cycle of 235 
Reactions of Ameba proteus. Food 397 
Removal of the pronephros of Amblystoma 
punctatum. Experiments on the effect of 355 
503 
