21 lnaecta. 
Titles. 
3500 
Cockerell, T. D. A. Two now humble 
bees from China. Entomologist Lon- 
don 50 1917 (266-266). [Hymenop- 
tera .] 309 
Cockerell, T. D. A. New records of 
bees from Natal. Ann. Durb. Mus. 
Durban 1 1917 (460-468). [ Hymenop - 
tera .] 310 
Cockerell, T. D. A. New records of 
Natal bees (Second Contribution). Ann 
Durb. Mus. Durban 2 1917* (39-46). 
[Hymenop ter a.] i 311 
Cockerell, T. D. A. New tertiary 
insects. P.U.S. Nat. Mus. Washington 
52 No. 2181 (373-384). pi. xxxi. 312 
Cockerell, T. D. A. Some fossil 
insects from Florissant, Colorado. 
P.U.S. Nat. Mus. Washington 53 No. 
2210 1917 (389-392). 313 
Cockerell, T. D. A. Entomology at 
the United States National Museum. 
Ent, News Philadelphia 28 1917 (55-69). 
314 
Cockerell, T. D. A. New bees from 
Costa Rica. Ent. News Philadelphia 
28 1917 (200). [Hymenoptera.] 315 
Cockerell, T. D. A. Some bees of the 
genus Psaenythia. Ent. News Phila- 
delphia 28 1917 (302) [Hymenop tera.] 
316 
Cockerell, T. D. A. A second Colleles 
with spotted wings. Ent. News Phila- 
delphia 28 1917 (363). [Hymenoptem.] 
317 
Cockerell, Wilmatte P. Collecting 
bees in southern Texas. J. N. York 
ent. Soc. 25 1917 (187-193). [Hymen- 
optera , ] 318 
Cole, A. C. and Imms, A. D. Report 
on an infestation of larvae of the antler 
moth ( Charaeas graminis L.) in the 
Peak district. J. Board Agric. London 
24 1917 (514-522). [. Lepidoptera .] 319 
Cole, F. R. Notes on Osten Sacken’s 
group “ Poecilanthrax ,” with descrip- 
tions of new species. J. N. York 
ent. Soc. 25 (67-80) pis. iii-vii. [Dip- 
tera .] 320 
Collin, J. E. Description of a new 
species of Phaonia. Parasitol. Cam- 
bridge 9 1917 (441-442). [ Diptera .] 
321 
Combs, A. F. Notes on a collection 
of Odonata from Schoolcraft county, 
Michigan. Univ. Michigan Zoo!, oec. 
pap. 41 1917 (1-8). [Paraneuroplera . J 
322 
Cooley, R. A. The spinach carrion 
beetle Silpha bituberosa Lee. J. Econ. 
Ent. Concord 10 1917 (94-102) pi. v. 
[' Coleoptera .] 323 
Cornwall, J. W. and Menon, T. K. 
On the possibility of the transmission 
of plague by bed-bugs. lnd. J. med. 
Res. Calcutta 5 1917 (137-159.) 
Heeeroptera.] 324 
Cory, E. N. The columbine leaf- 
miner. J. Econ. Ent. Concord 9 1916 
(419-424) pi. 31. 324a 
Courvoisier, L. Ueber Nebenformen, 
Rassen und Zwischenformen bei Lycae- 
niden. Verh. Ges. Basel 28 1917 (264- 
293). [Lepidoptera.] 325 
Coutant, A. F. The habits, life- 
history and structure of a blood sucking 
muscid larva (Protocalliphora azurea). 
J. Parasitol. Urbana 1 1915 (135-150). 
[Diptera.] 325a 
Coward, T. A. vide Standen and 
Coward. 
Craighead, F. C. The determination 
of the abdominal and thoracic areas of 
the cerambycid larvae as based on a 
study of the muscles. Washington 
D.C. Proc. ent. Soc. 18 1916 (129-146) 
pis. vi-ix. [Coleoptera.] 326 
Crampton, Gb C. The thoracic scle- 
rites and the systematic position of 
Orylloblatta campodeiformis Walker, a 
remarkable annectent. “ Orthopte- 
roid” insect. Ent. News Philadelphia 
26 1915 (337-360) pi. xiii. 326a 
Crampton, G. C. A phylogenetic 
study of the terminal abdominal seg- 
ments and appendages in some female 
apterygotan and lower pterygotan 
insects. J. N. York ent. Soc. 25 1917 
(225-237) pis. xvi and xvii. 327 
Crampton, G. C. A phylogenetic- 
study of the lateral head, neck and 
pro thoracic regions in some apterygota- 
and lower pterygota. Ent. News Phila- 
delphia 28 1917 (398-412) pi. xxvii. 328 
Crampton, G. C. A phylogenetic 
study of the larval and adult head in 
Neuroptera, Mecoptera, Diptera and 
Trichoptera. Ann. ent. Soc. Amer. 10 
*1917 (337-344). 329 
