1054 
EMBRANES in mitosis. The action of salt 
solutions followed by hypertonic sea-water 
on unfertilized sea-urchin eggs and the role 
fe) 
Mitosis. The action of salt solutions followed by 
hypertonic sea-water on unfertilized sea-urchin 
eggs and the réle of membranes in 695 
MornxHavs W.J. The effects of inbreeding and 
selection on the fertility, vigor and sex-ratio of 
Drosophila ampelophila. 123 
MontTGoMERY, JR., THos. H. The spermatogenesis 
of an hemipteron Euschistus 731 
EREIS. Studies of fertilization in 361 
Nervous system of the leopard frog. On the 
regular seasonal changes in the relative weight 
of the central 663 
Newman, H. H., and J. Taomas PaTtTERSON. The 
limits of hereditary controlin armadillo quadru- 
plets: a study of blastogenic variation 855 
Nezara; with some more general considerations. 
A review of the chromosomes of 71 
LFACTORY organs and the sense of smell in 
birds. 619 
Ontogeny. Some problems of coelenterate 493 
Organs for sperm-transfer in the crayfish, Cambarus 
affinis; their structure and use. 239 
Ova. On the formation, significance and chemistry 
of the white and yellow yolk of 455 
Ovaries in chickens. The transplantation of 111 
Ovary of the guinea pig. The cyclic changesin the 37 
Oviposition induced by the male in pigeons. 299 
ARKER, G. H. The mechanism of locomotion 
in gastropods 155 
PaTTERSON, J. THomas, H. H. Newman and. 
The limits of hereditary control in armadillo 
quadruplets: a study in blastogenic variation 855 
Paramecium aurelia and Paramecium caudatum 223 
Paramoecium. The geotropism of 993 
Physiological animal geography. 551 
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. The 695 
Pigeons. Oviposition induced by the male in 299 
Planarians through successive regenerations. Min- 
imal size reduction in 989 
EGENERATIONS. Minimal size reduction 
in Planarians through successive 989 
Regulatory processes in organisms. 171 
RIpDLE, Oscar. | On the formation, significance and 
chemistry of the white and yellow yolk of ova 455 
Ritter, W. E.,\and Myrtte BE. Jonnson. The 
growth and differentiation of the chain of Cyclo- 
salpa affinis (Chamisso). 395 
| 
| 
INDEX 
So polymorphus of the Woods Hole region. 
The life history of the 821 
Sea-urchin eggs and the réle of membranes in 
mitosis. The action of salt solutions followed 
by hypertonic sea-water on unfertilized 695 
Selection on the fertility, vigor and sex-ratio of Dro- 
sophila ampelophila. The effects of inbreeding 
and 123 
Sense of smellin birds. On the olfactory organs and 
the 619 
Serpulid, Hydroides dianthus. Experiments on 
the control of asymmetry in the development 
of the 927 
Sarin of Amia and Lepidosteus. The origin a 
the 
Sex ratio of Drosophila ampelophila. The effects 
of inbreeding and selection on the fertility, vigor 
and 123 
Sexual activities of the squid, Loligo pealii (Les). 327 
SHELFORD, Victor E. Physiological animal geog- 
raphy. 551 
Size reduction in planarians through successive 
regenerations. Minimal 989 
Spermatogenesis of an hemipteron, Euschistus. 
The 731 
Spermatophore in Arenicola and a theory of the alter- 
nation of generationsinanimals. The formation 
of the 1001 
Sperm-transfer in the crayfish, Cambarus affinis; 
their structure and use. Male organs for 239 
Squid, Loligo pealii (Les). Sexual activities of 
the 327 
Strona, R.M. Onthe olfactory organs and the sense 
of smell in birds. 619 
RANSPLANTATION of ovaries in chickens. 
i 
Nearer The limits of hereditary control 
in armadillo quadruplets: a study of blasto- 
genic 855 
Vesalius. Anatomical illustration before 945 
; EIGHT of the central nervous system of the 
leopard frog. On the regular seasonal 
changes in the relative 663 
WHEELER WiLLIAM Morton. The ant-colony aa 
an organism. 307 
Whitman, Charles Otis: Biography. Xv 
Witson, Epmunp B. Studies on chromosomes. 
VII. A review of the chromosomes of Nezara; 
with some more general considerations. 71 
Wooprurr, LoRANDE Loss. Paramecium aurelia 
and Paramecium caudatum. 223 
OLK of ova. On the formation, significance and 
chemistry of the white and yellow 455 
ELENY, Cuarurs. Experiments on the con- 
trolof asymmetry in the development oi the 
serpulid, Hydroides dianthis. 927 
