20 Insecia. 
XII. Insecta. 
[1920] 
Brocher, F. Observations sur le 
ddveloppement et la vie larvaire du 
Pseudagenia carbonaria (Scop.). Bull. 
Inst. Genevois 43 1919 (283-289) figs. 
[ Hymenoptera .] 281 
Brocher, F. Etude experimentalo 
sur le fonclionnoment du vaisseau 
dorsal ot sur la circulation du sang chez 
les insectes. iiie partie : le Sphinx 
convolvuli. Arch. zool. exp. Paris 60 
1920 (1-45). [ Lepidoplera.\ 282 
Brolemann, H. W. Encore un mot 
sur les Culicides. Bull. Soc. ent. 
France Paris 1920 (269-272). [Diptera.] 
283 
Brooks, F. E. llound-hoaded applo- 
tree borer : its life-history and control. 
Bull. U.S. Dep. Agric. Washington 847 
1920 (42 pp.). [ Coleoptera .] 284 
Brown, J. M. A new termitophilous 
Collembolan from West Africa. Ann. 
Nat. Hist. London 6 1920 (480-482). 
{After a.] 285 
Bruch, C. Kafcr in Nestern eines 
argent inischen Nagers. Ent. Bliitt. 
Berlin 16 1920 (247). [ Coleoptera .] 
286 
Brues, C. T. The Braconid genus 
Trachy petus Guerin. Psyche Boston 
27 1920 (59-62). [ Hymenoptera .] 287 
Brues, C. T. A dimorphic species of 
Cephalonomia from Trinidad. Psyche 
Boston 27 1920 (151-153). [ Ilymeno- 
ptera .] 288 
Brues, C. T. vide Johnson. 
Bruner, L. Saltatorial Orthoptera 
from South America and the Isle of 
Pines. Ann. Carnegie Mus. 13 1920 
(5-91). 289 
Bruner, L. Orthoptera from Africa, 
being a report upon some Saltatoria 
mainly from Cameroon contained in 
the Carnegie Museum. Ann. Carnegie 
Mus. 13 1920 (92-142). 290 
Brunetti, E. Catalogue of oriental 
and South Asiatic Nemocera. Hoc. 
Ind. Mus. Calcutta 17 1920 (1-276). 
[Diptera.] 291 
Brunetti, E. Diptera brachycera 
Yol. i. Fauna of British India, etc. 
London 1920 (ix -+- 401) 4 pis. 292 
Bryk, F. Zur Nomenklaturfrage der 
schwcdischen Argynnis improba Btlr. 
Ent. Tidskr. Uppsala 41 1920 (129-132) 
figs. [ Lepidoptera .] 293 
Buchner, O. tJber Albinismus in der 
Tierwelt Wurttembergs. Jahresh. Ver. 
Wurttemberg 75 1919 (83-128). [Lepi- 
doptera.] 294 
Bucking, H. Wilhelm Sattlcr. Ent. 
Blatter Berlin 16 1920 (94-96) portrait. 
295 
Bunnett, E. J. The mode of pro- 
gression of the larva of Coleophora 
nigricella. Proc. South London Ent. 
Soc. 1919-20 1920 (1 & 2) pi. i. [Lepi- 
doptera.] 296 
Bunnett, E. J. Note on the pupation 
of Aglais urticae and Vanessa io. Proc. 
South London ent. Soc. 1919-20 1920 
(32 & 33) pi. ii. [ Lepidoptera .] 297 
Burke, H. E. Collecting some little- 
known Buprestidae. Proc. ent. Soc. 
Washington 22 1920 (72-76). [ Coleo- 
ptera .] 298 
Burke, H. E. Some notes on the 
genus Trachykele with a description 
of a new species (Buprestidae, Coleo- 
ptera). Proc. ent. Soc. Washington 22 
1920 (168-170). 299 
Burke, H. E. The Pacific oak twig- 
girdler. J. econ. Ent. Concord 13 1920 
(379-384). [Coleoptera.] 300 
/ 
Burke, H. E. and Herbert, F. B. 
California oak worm. Farmers’ Bull. 
U.S. Dep. Agric. Washington 1076 
1920 (11 pp.). [ Lepidoptera .] 301 
Burg, H. Diptera in south Shrop- 
shire, 1913-1920. Ent. Mo. Mag. 56 
1920 (249-256). Correction Wain- 
wright, T.c. (278). 302 
Busck, A. A new tortricid moth from 
Nova Scotia. Canad. Entom. London 
Can. 52 1920 (125). [ Lepidoptera .] 
303 
Busck, A. A new Gracilaria injurious 
to Avocado. Canada Entom. London 
Can. 52 1920 (239). [Lepidoptera.] 
304 
Busck, A. Descriptions of new 
Central American Microlepidoptera. 
Insec. inscit. Washington 8 1920 (83- 
95). 305 
Busck, A. Lord Walsingham. 
Proc. ent. Soc. Washington 22 1920 
(41-43). 306 
Busck, A. vide Barnes and Busck. 
