77 Insecta. 
Titles. 
3500 
Willard, H. F. vide Pemberton and 
Willard. 
Willcocks, F. C. Notes on some in- 
sects found in Egypt of medical and 
veterinary interest. Bull. Soc. ent. 
Egypte Le Caire 10 1918 (79-90). 1649. 
Willers, W. and Diirken, B. Cellulare 
Vorgange bei der Hautung der Insekten. 
Zeitschr. wiss. Zool. Leipzig 116 1916 
(43-44) pi. ii. 1650 
Willey, A. Insect tropisms. Canad. 
Entom. London Can. 50 1918 (357- 
360). 1651 
Williams, C. B. The sugar-cane frog- 
hopper in Grenada. Bull. ent. Res. 
London 9 1918 (83-87). [ Homoptera .] 
1652 
Williams, C. B. A froghopper on 
sugar-cano in British Guiana. Bull, 
ent. Res. London 9 1918 (103-173). 
[Homoptera.] 1653 
Williams, G. H. Notes on some 
Egyptian buttorflies. Bull. Soc. ent. 
Egypto Le Caire 10 1918 (91-94). 
[Lepidoptera.] 1654 
Williams, R. C. The genus Lycaena , 
enoptes group. Ent. News Philadelphia, 
29 1918 (99 & 102) pis. iv-vi. [Lepido- 
ptera.] 1655 
Williamson, E. B. A collecting trip 
to Columbia, South America. Univ. 
Michigan Mus. Zool. Miscell. Publ. 
Ann. Arbor 3 1918 (24 pp.) [Paraneuro- 
ptera .] 1656 
Williamson, E. B. The genus Neo- 
neura. Trans. Amer. ent. Soc. Philadel- 
phia 43 1917 (211-246) pis. ix-xix. 
[Paraneuroptera.] 1657 
Wilson, H. C. A note of treatment 
of swamps, stream beds, ponds, wells, 
pools and other mosquito -infested areas 
for tho destruction of their larvae. 
Bull. Madras Fish. Dop. 11 1918 (161- 
172). [Diptcra.] 1658 
Wilson, H. F. A now speoios of 
Macrosiphum (Aphididae, Homoptera.) 
Ent. News Philadelphia 29 1918 (230). 
1659 
Wingelmtiller, A. Zwoi neue Cionini 
aus Tonkin. Wiener ent. Zeit. Wien 
34 1915 (308-310). [Goleoptera.] 1660 
Winkler, A. Ein neuer blinder 
Tenebrionide aus dor Krim. Wiener 
ent. Zeit. Wien 34 1915 (331-334). 
[Coleoptera.] 1661 
Winther, C. Nogle Traek fra vore 
Foraars-Macrolepidoptora. [Notes on 
some Danish Macrolepidoptera occur- 
ring in the spring.] Kobenhavn Flora 
og Fauna 1918 (87-88). 1662 
Wolden, B. O. The white admiral or 
banded purple butterfly in Iowa. Proc. 
Iowa Acad. Des Moines 23 1916 (269). 
[Lepidoptera.] 1663 
Wood, W. B. and Selkregg, E. R. 
Further notes on Laspeyresia moles la. 
J. Agrie. Res. Washington 13 1918 
(59-72) pis. v-x. [ Lepidoptera .] 1664 
Woods, W. C. Blueberry insects in 
Maine. Bull. Maine exp. Stat. Orono 
244 1915 (249-288) 4 pis. 1665 
Woods, W. C. Tho biology of tho 
alder floa-bootlo, A l lira bimarginata 
Say. Bull. Maino exp. Stat. Orono 265 
1917 (249-284) 4 pis. [Coleoptera.] 1666 
Woods, W- C. The biology of Maino 
species of Altica. Bull Maine exp. 
Stat. Orono 273 1918 (149-204) 2 pis. 
[Coleoptera.] 1667 
Woods, W. C. The alimentary canal 
of the larva of Altica bimarginata Say. 
Ann. ent. Soc. Amer. Columbus 11 
1918 (283-313) pis. xxvi & xxvii. 
[Coleoptera.] 1668 
Wuorentaus, Y. Kuolanniomella 
lumella esiintyvia hyonteisia. [Auf 
der Halbinsel Kola auf Schnee beo- 
bachtete Insekten.] Helsingfors Medd. 
Soc. Fauna FI. Fenn. 42 1916 (20-22). 
[Deutsches Ref. 162.] 1669 
Wuorentaus, Y. Anagrus subfuscus 
Forst. Suomesta. [Anagrus subfuscus 
Forst. aus Finland.] Helsingfors Medd. 
Soc. Fauna ot FI. Fenn. 43 1917 (32) 
[Doutschos Ref. 289.] [Hymenoptera.] 
1670 
Yagi, N. vide Ilarukawa and Yagi. 
Yano, S. and Oyama, M. Shinyoju 
no shushikisei bachi ni tsuito. [On 
tho parasitio Hymenoptera in the seeds 
of Conifora.] Konch. Sok. Gifu 27 
1918 (372-376). 1671 
Young, B. P. Ecological notes on 
the spring canker-worm ( Paleacrita 
vernata Pack.). Canad. Entom. Lon- 
don Can. 50 1918 (267-277). [Lepido- 
ptera.] 1672 
