SUBJECT AND AUTHOR INDEX 
DAPTATION in the mole. Some mor- 
phological changes for................... 335 
ALL, Sranuey C., Con, Westry R., AND. 
The pelagic nemertean Nectonemertes.. 457 
Blaps, with special reference to the X-com- 
plex. The meiotic phenomena in the 
SPELMALOLEMCSIS! Obert terre jal-rale alate sarees sieses 69 
AMNULA pellucida (Orthoptera) ; numer- 
Cc ical variations in the chromosome com- 
plex within the individual. An extra 
dyad and an extra tetrad in the spermato- 
genesis of 
Carroiu, Mircuen. An extra dyad and an 
extra tetrad in the spermatogenesis of 
Camnula pellucida (Orthoptera); numeri- 
ical variations in the chromosome complex 
Within they wneivaAdualle 22. cc awe ths -% sealers 
Changes for adaptation in the mole. Some 
TAO ON MLAO  eioBphascusdmenwencnaugeee 
Characters of HElasmobranch fishes. 
clasper siphons, and clasper glands. The 
comparative morphology of the secondary 
sexual 245 
Chondrocranium. The development of the 
skull in the skink, Eumeces quinque- 
limes tuselic «lapel peeinn dee rasta! soiec 
Chromosome complex within the individual. 
An extra dyad and an extra tetrad in the 
spermatogenesis of Camnula_ pellucida 
(Orthoptera); numerical variations in the 
Chromosome numbers in the Metazoa. Part 
NM PANreviewrotibhetsos mera sceeecremmrer 
Claspers, clasper siphons, and clasper glands. 
The comparative morphology of the sec- 
ondary sexual characters of Elasmobranch 
Vetstavetsn Ue ol ove Bl 2 ee parte ain ae eck eae 
Coz, WesLtrey R:, AND Batu, STANuEy C. 
The pelagic nemertean Nectonemertes.... 
Complex within the individual. An extra 
dyad and an extra tetrad in the spermato- 
genesis of Camnula pellucida (Orthop- 
tera); numerical variations in the chro- 
mosome 
375 
AWSON, A. B. The integument of Nec- 
TUTUSHMACTLOSUS teeter ee ie laces 
Spermatogenesis of Squilla ora- 
Determination in the white-fly (Trialeurodes 
MeV APOLATIOLUM) as iSeXjeeeee: sites are ittaiole a= 
Development of the skull in the skink, Eu- 
meces quinquelineatus L. I. The chon- 
olyoforspapiouoate ANA so- Soon gootnnouuenuoDoce 
LASMOBRANCH fishes. I. The clasp- 
er siphons, and clasper glands. The 
comparative morphology of the secon- 
dary sexual characters of................-- 
Eumeces quinquelineatus L. I. The chon- 
drocranium. The development of the 
skulliinjtheiskink. v.22 .20: 0:2. meats 
ISHES. I. The claspers, clasper siphons, 
and clasper glands. The comparative 
morphology of the secondary sexual 
characters of Elasmobranch.............. 245 
375 
487 
635 
LANDS. The comparative morphology 
(e of the secondary sexual characters of 
Elasmobranch fishes. I. The claspers, 
clasper siphons and clasper............... 245 
ARVEY, Eruet Browne. A review of 
the chromosome numbers in the Meta- 
OSM ATU MLULR My pAarevererermici cei atavanele (operators cele 1 
NTEGUMENT of Necturus maculosus. 
PINON er itor erare olealela einyeieie crooner 487 
OMAI, Taxvu. Spermatogenesis of 
Squilla oratoria De Haan.............. 307 
EIGH-Suarrpe, W. Harotp. The com- 
parative morphology of the secondary 
sexual characters of Elasmobranch 
fishes. I. The claspers, clasper siphons, 
amduclasper lands i-cvccrsrsnici« sicleeiers+ of 245 
Ma The integument of nec- 
RUNS LI5 SEG OBOD ORR OIA EO OHIO E Te BEBE 487 
Meiotic phenomena in the spermatogenesis of 
Blaps, with special reference to the X- 
Complexe Hunerencmeetniiay ccs cra-eeioeiasl: 69 
Metazoa. Part II. A review of the chromo- 
SOMEMMUIMIDETSMMaGhH eke es ae ale le teievemters.cr6 a 
Mole. Some morphological changes for adap- 
tationcingtneswarasee ee smeie aenciise Ibias beso 335 
Morphological changes for adaptation in the 
INOLEM EOIN Cura spectra creer (5) o<cale eee sr si seteue © 335 
ECTONEMERTES. The pelagic ne- 
IM ETCCA I reeiahroPe me erteye cio sachet eke ecevahaoparsh 457 
Necturus maculosis. The integument of.... 487 
Nonipez, Josh F. The meiotic phenomena 
in the spermatogenesis of Blaps, with 
special reference to the X-complex....... 
Numbers in the Metazoa. Part II. A review 
Oimthelchromosomena. ay. ecacce case 
69 
RATORIA De Haan. 
Oimoquillastee Genesee woes sissesiraseeieiesies 
(Orthoptera); numerical variations in_ the 
chromosome complex within the individ- 
ual. An extra dyad and an extra tetrad 
in the spermatogenesis of Camnula pel- 
IiTalo high Stee Gon educa orOtute Soon ote ae 
Spermatogenesis 
375 
ELLUCIDA (Orthoptera); numerical vari- 
ations in the chromosome complex 
within the individual. An extra dyad 
and an extra tetrad in the spermatogenesis 
omC@ammnulalyicscciadeemtes et ace nctenaet 
Phenomena in the spermatogenesis of Blaps, 
with special reference to the X-complex. 
MN GRITELOLIC ay tio ere las cicero stece sheepsriiece 
Phorhinotermes. The ‘third form,’ the wing- 
less reproductive type of termites: Reticu- 
litermes and 
375 
69 
> UINQUELINEATUS L. I. The chon- 
drocranium. The development of the 
skull in the skink, Eumeces 
