636 INDEX 
ETICULITERMES and Phorhinotermes. 
The ‘third form,’ the wingless repro- 
ductive type of termites:......:........ 591 
tus L. I. The chondrocranium.......... 119 
CHRADER, Franz. Sex determination 
in the white-fly (Trialeurodes vaporari- 
OPUIN) S.No gases’ = epee 267 
Secondary sexual characters of Elasmobranch 
fishes. I. The claspers, clasper siphons, 
and clasper glands. The comparative 
morphology of the........ eget eae seh to 245 
Sex determination in the white-fly (Trialeu- 
TOdes VAPOrarioruM).......... 8s: 25-2 267 
Sexual characters of Elasmobranch fishes. I. 
The claspers, clasper siphons, and clasper 
glands. The comparative morphology of 
ithe 'sccondany. a. sh we eee + = 245 
Siphons, and clasper glands. The compara- 
tive morphology of the secondary sexual 
characters of Elasmobranch fishes. I. 
athe. Claspers, Clasper: ....ke eon: < eden 245 
Skink, Eumeces quinquelineatus L. I. The 
chondrocranium. The development of 
vers kculleanbhes cae oe kee iste tee chee iees 119 
Skull in the skink, Eumeces quinquelineatus 
L. I. The chondrocranium. The devel- 
OpmMent) OLhe yas. cman ses acest erent 119 
SLONAKER, JAMES Roi“iin. Some morpho- 
logical changes for adaptation in the mole 335 
Snyper, THomas Exiuiorr, THOMPSON, CARO- 
LINE BuRLING, AND. The ‘third form,’ 
the wingless reproductive type of termites: 
Reticulitermes and Phorhinotermes..... 591 
Spermatogenesis of Blaps, with special refer- 
ence to the X-complex. The meiotic phe- 
NOMENA INGE MEH Noack cote letvauetenetesie 69 
Spermatogenesis of Camnula pellucida (Or- 
thoptera); numerical variations in the 
chromosome complex within the indivi- 
dual. An extra dyad and an extra tetrad 
Int! CHE 5s. 75.0. sd ee ns ete 375 
Spermatogenesis of Squilla oratoria De Haan 307 
Squils oratoria De Haan. Spermatogenesis 
0) eee aA sey CAE SA o ea Oty 
ERMITES: Reticulitermes and Pho- 
rhinotermes. The ‘third form,’ the 
wingless reproductive type of........... 591 
THOMPSON, CAROLINE BURLING, AND SNy- 
DER, THomAS Exuiorr. The ‘third 
form,’ the wingless reproductive type of 
termites: Reticulitermes and Phorhino- 
TELMBES: 2 Ges <i chma Aare: Ae kta crepeeteee «<A ee 591 
(Trialeurodes vaporariorum). Sex determi- 
nation in the white-fly.................. 267 
Seay weno Sex determination 
in the white-fly (Trialeurodes........- 267 
Variations in the chromosome complex within 
the individual. An extra dyad and an 
extra tetrad in the spermatogenesis of 
Camnula pellucidsa (Orthoptera); nu- 
rT LAgLe | ee, AMES st eos - Mebods 375 
HITE-FLY (Trialeurodes vaporario- 
rum). Sex determination in the..... 267 
Wingless reproductive type of termites: Reti- 
culitermes and Phorhinotermes. The 
“thirdstormes theystc erent e ane eee 591 
-COMPLEX. The meiotic phenomena 
in the spermatogenesis of Blaps, with 
special reference to the...............- 69 
