SUBJECT AND AUTHOR INDEX 
LLEN, Bennet M. The origin of the et ar 
of Amia and Lepidosteus. 
poe ond Lepidosteus. The origin of the sexes 
Ampelophila. The effects of inbreeding and selec- 
tion on the fertility, vigor and sex-ratio of Dro- 
sophila. 123 
Anatomical illustration before Vesalius. 945 
ANDREWS, E. A. Male organs for sperm-transfer 
in the crayfish, Cambarus affinis; their struc- 
ture and use. 239 
Animal geography. Physiological 551 
Ant-colony as an organism. The 307 
Arenicola and a theory of the alternation of genera- 
tions in animals. The formation of the sperma- 
tophore in 1001 
Armadillo quadruplets: a study of blastogenic vari- 
ation. The limits of hereditary controlin 855 
Asymmetry in the development of the serpulid, 
Hydroides dianthus. Experiments on the con- 
trol of 927 
IOGRAPHY: Charles Otis Whitman XV 
Birds. On the olfactory organs and the sense 
of smell in 619 
Blastogenic variation. The limits of hereditary 
control in armadillo quadruplets:astudy of 855 
AMBARUS affinis; their structure and _ use. 
Male organs for sperm-transfer in the crayfish 239 
Cell-division. The action of salt solutions followed 
by hypertonic sea-water on unfertilized sea- 
urchin eggs and the réle of membranes in 
mitosis. The physiology of 695 
Changes in the relative weight of the central nervous 
system of the leopard frog. On the regular sea- 
sonal 663 
Chemistry of the white and yellow yolk of ova. On 
the formation, significance and 455 
Chickens. The transplantation of ovaries in 111 
Cuitp, C. M. The regulatory processes in organ- 
isms. 171 
Chromosomes. A review of the chromosomes of 
Nezara; with some more general considerations. 
Studies on 71 
Coelenterate ontogeny. Some problems of 493 
Control in armadillo quadruplets: a study of blas- 
togenic variation. Thelimitsof hereditary 855 
Control of asymmetry in the development of the ser- 
pulid, Hydroides dianthus. Experiments on 
the 927 
Craig, WALLACE. Oviposition Induced by the male 
in pigeons. 299 
Crayfish, Cambarus affinis; their structure and use. 
Male organs for sperm-transfer in the 239 
Curtis, WINTERTON C. The life history of the Scolex 
polymorphus of the Woods Hole region 821 
Cyclosalpa affiinis (Chamisso). The growth and dif- 
ferentiation of the chain of 395 
AVENPORT, C. B. The transplantation ae 
ovaries in chickens. 111 
Differentiation of the chain of Cyclosalpa affinis 
(Chamisso). The growth and 395 
Donaupson, Henry H. On the regular seasonal 
changes in the relative weight of the central 
nervous system of the leopard frog. 663 
Downine, Evtior Rowrianp. The formation of 
the spermatophore in Arenicola and a theory of 
the alternation of generationsinanimals. 1001 
Drew, Giuman A. Sexual activities of the squid, 
Loligo pealii (Les). 327 
Drosophila ampelophila. The effects of inbreeding 
at selection on the fertility, vigor and eee 
° 
GGS and the réle of membranes in mitosis. The 
action of salt solutions followed by hypertonic 
sea-water on unfertilized sea-urchin. 695 
Euschistus. The spermatogenesis of 731 
ERTILIZATION in Nereis. Studies of 361 
Frog. On the regular seasonal changes in the 
relative weight of the central nervous system 
of the leopard 663 
ASTROPODS. The mechanism of locomo- 
tion in 155 
Geography. Physiological animal 551 
Geotropism of Paramoecium. The 993 
Growth and differentiation of the chain of Cyclosalpa 
affinis (Chamisso). 395 
Guinea pig. The cyclic changes in theovary of ee 37 
ARGITT, CHartes W. Some problems at 
coelenterate ontogeny. 493 
Harper, E. H. The geotropism of Paramoecium 993 
Hemipteron, Euschistus. The pate rae at 
an 
Hereditary control in armadillo quadruplets: a 
study of blastogenic variation. The limits of 885 
Ho.umes, S.J. Minimal size reduction in Planarians 
through successive regenerations. 989 
Hydroides dianthus. Experiments on the control 
of asymmetry in the development of 927 
| pees selection onthe fertility, vigor 
and sex ratio of Drosophila ampelophila. The 
effects of 123 
My hares Myrtue E., W. E. Rirrerand. The 
growth and differentiation of the chain of 
Cyclosalpa affinis (Chamisso). 395 
| Pater The origin of the a 
of Amia and 
Linun, Frank R. Biography: Charles Otis ae 
man XV 
Studies of fertilization in Nereis, 361 
Liturn, Rautpw’S. The physiology of cell-division. 
IV. The action of salt solutions followed by 
hypertonic sea-water on unfertilized sea-urchin 
eggs and the réle of membranes in mitosis 695 
Locomotion in Gastropods. The mechanism of 155 
Locy, Wirt1am A. Anatomical illustration before 
Vesalius 945 
Logs, Leo. The cyclic changes in the ovary of the 
guinea pig 37 
Loligo pealii (Les). Sexual activities of the squid 327 
1053 
