24 Insecta. 
xil. Insecta. 
[1918] 
Ducke, A. Enumera9ao dos Hymen- 
opteros colligidos pela commissao e 
revisao das especies de abelhas do 
Brazil. Commiss'. Linhas telegraphicas 
Matto Grosso ao Amazonas Publ. 35 
Annex 5 1916 (1-175) 24 figs. 396 
Dudgeon^ G. G. The pink boll-worm 
and the cotton crop of Egypt. Bull, 
imp. Inst. London 16 1918 (362-370). 
[Lepidoptera.] 397 
Diirken, B. Uber die Wirkung 
verscliiedenfarbiger Umgebung auf die 
Variation von Schmetterlingspuppen. 
Versuche an Pieris brassicae. Zeitschr 
wiss. Zool. Leipzig 116 1916 (587-626) 
pis. xxii-xxiv. [ Lepidoptera .] 398 
Diirken, B. vide Willers and Diirken. 
Dukinfield- Jones, E. Molippa simil- 
lima D.- Jones: a correction. Tr. ent. 
Soc. London 1918 1918 (117) pis. iii & 
iv. [Lepidoptera.] 899 
Dunn, L. H. A new mosquito ( Aedes 
whitmorei) from Colombia. Proc. ent. 
Soc. Washington 20 1918 (128-130) 
[Diptera.] 400 
Dunn, P. S. The lake mosquito, 
Mansonia titillans Walk., and its host 
plant, Pistia stratiotes Linn., in the 
canal zone, Panama. Ent. News 
Philadelphia 29 1918 (260-269 288-295 
[Diptera.] 401 
Du Porte, E. M. On the structure 
and function of the proventriculus of 
Qryllus pennsylvanicus Burm. Psyche 
Boston 25 1918 (117-121) pis. v & vi. 
[Ortho ptera.] 402 
Durrant, J. H. Comparison of 
Hiibner’s Tentamen and the Verzeich- 
niss. Ent. Rec. London 30 1918 Suppl. 
(1-32). [Lepidoptera.] 403 
Dusham, E. II. The dorsal pygidial 
glands of the female cockroach( Blattella 
germanica). Canad. Entom. London 
Can. 50 1918 (278-280) pi. vi. [Or- 
t hop ter a.] 404 
Dusham, E. II. The wax glands of 
the cockroach ( Blatta germanica). J. 
Morphol. Philadelphia 31 1918 (563- 
574) 2 pis. [Orthoptera.] 405 
Dusmet y Alonso, J. M. Algunos 
Apidos nuevos 6 interessantes del 
Museo de Madrid. Trab. Mus. nac. 
Madrid zool., 22 1915 (18 pp.). [Hy- 
menoptera.] 406 
Dyar, H. G. Descriptions of new 
Lepidoptera from Mexico. Proc. U.S. 
nat. Mus. Washington 54 1918 No. 
2239 (335-372). 407 
Dyar, H. G. The male genitalia of 
Aedes as indicative of natural affinities. 
Insec. inscit. Washington 6 1918 (71- 
86). [Diptera.] 408 
Dyar, H. G. A revision of the 
American species of Culex on the male 
genitalia. Insec. inscit. Washington 6 
1918 (86-111) pis. iii & iv. [Diptera.] 
409 
Dyar, H. G. A note on the American 
species of Mansonia. Insec. inscit. 
Washington 8 1918 (112-115). [Diptera.] 
410 
Dyar, H. G. Now American mos- 
quitoes. Insec. inscit. Washington 6 
1918 (120-129). [Diptera.] 411 
Dyar, H. G. Now moths from Mexico 
and Cuba. Insoc. inscit. Washington 6 
1918 (130-140). [Lepidoptera.] 412 
Dyar, H. G. Notes on American 
Anopheles. Insec. inscit. Washington 
6 1918 (141-157). [Diptera.] 413 
Dyar, H. G. and Barret, H. P. 
Descriptions of hitherto unknown larvae 
of Culex. Insec. inscit. Washington 6 
1918 (119-120). '[Diptera.] 414 
Dyar, H. G. and Knab, F. Bromeli- 
colous Anopheles — a correction. Insec. 
inscit. Washington 6 1918 (140 & 141). 
[Diptera.] 415 
Eckstein, F. Die Ueberwinterung 
unserer Steckmiicken. Biol. Zentralbl. 
Leipzig 38 1918 (530-536). [Diptera. j 
416 
Edwards, F. W. Two new Diptera 
from Trinidad. Ann. Nat. Hist. 
London 1 1918 (424-426). 417 
Edwards, J. On the British species 
of Notonecta. Ent. Mo. Mag. London 
54 1918 (56-59). [Heteroptera.] 418 
Eceke, R. van. Systcmatisohe 
catalogus . dcr Rhopaloccra Neer- 
landica. [Systematischcr Ivatalog dor 
Rhopalocera Neerlandica.] Leiden, 
Zool. Meded. 1 1915 (33-70). [Lepido- 
ptera]. 419 
Eecke, R. van. Studies on Indo- 
Australian Lepidoptera. III. Some 
Rhopalocera and Heterocera from 
Simalur, Pulu Lasia, Pulu Babi and 
Sumatra. Leiden, Zool. Med. 4 1918 
(70-102) 2 pis. 3 textfig. 420 
