81 Insecta. 
Titles. 
3600 
Vincent, J. Description d’un nou- 
veau Catocala do Chine. Bull. Soc. ont. 
France 1919 (161). [Lepidoptera.] 1779 
Vincent, J. Note sur deux Catocala 
peu connus. Bull. Soc. ent. France 
Paris 1919 1920 (335 and 336). \_Lepido- 
ptera.'] 1780 
Voeltzkow, A. [and others]. Flora 
und Fauna der Comoren. V^oeltzkow 
Reise in Ostafrika 3 1917 (429-480). 
1781 
Voss. Vergleichende Untersuchungen 
ubor die Flugworkzougo dor* Insekten. 
2. Abhandlung. Exporimontello Untor- 
suchungon iiber den Fliigelschlag und 
Flug dor Lisokton. Verb, deutsch. 
zool. Ges. BorUn 24 1914 (59-90) 2 pis. 
1782 
Vuillet, Alice. Les parasites de 
Pyrausta nuhilalis Hb. on France. 
Bull. Soc. ent. France Paris 1919 (308). 
1783 
Wadsworth, R. V. Notes on the life- 
history of Ephestia kuehniella. Ann. 
appl. Biol. Cambridge 6 1919 (203-206). 
[Lepidoptera.] 1784 
Wager, H. On the colour -sense of 
wasps. Proc. Linn. Soc. London 131 
1919 (10). 1785 
Wagner, H. Lepidopterorum cata- 
logue pars 23, Sphingidao subfam. 
Choorocampinao. Berlin (W. Junk) 
1919 (305-440). 1786 
Wagner, F. Revision dor europ- 
aischcn Zygaena carnioUca Rassen 
{Lepidoptera). Ent. Mitt. Berlin 8 
1919 (177-187). 1787 
Wagner, H. vide Neresheimer and 
Wagner. 
Wahlgren, E. Ueber die alpine und 
subalpino Collemholenlaxma, Schwedens. 
Naturw. Untors dos Sarekgebirgos in 
Schwedisch- Lappland gol. von Dr. 
Axel Ham berg 4 Lfg 7 Stockholm 1919 
(743-762). 1788 
Wahlgren, E. Vastarktiska element 
i Skandinaviens fjarilfauna. Ent. 
Tidskr. Uppsala 40 1919 (22-32). 
[Lepidoptera!] 1789 
Wahlgren, E. Uber drei zotter- 
stedt’scho Gleomotriden. Ent. Tidskr. 
Uppsala 40 1919 (72-74). [Lepidoptera.] 
1790 
Wahlgren, E. Einige Geadervaria- 
tionen in der Dipterengaiixmg Om- 
(N-13799j)Q 
phrale. Ent. Tidskr. Uppsala 40 1919 
(295-297). 1791 
Wahlgren, E. Svensk insekt- 
fauna. [Swedish insectfauna.] Utg. 
av Entomogiska foreningen i Stock- 
holm. 11. Tv§,vingar. Diptera. 
2. Cyclorapha. 2. Schizophora. Fam. 6- 
12. Conopidae, Cordyluridae, Coelopi- 
dae.Cypselidae, Dryomyzidae, Clusiidae,. 
Helomyzidae, Sciomyzidae. Uppsala 
1917 (113-224) textfigs. 1792: 
.Wahlgren, E. Svensk insektfauna.. 
[Swedish insectfauna.] Utg. av 
Entomologiska foreningen i Stockholm... 
11. Tv&vingar. Diptera. 1. Orthorapha. 
1. Myggor. Nemocera. Fam. 10-11, 
Uppsala 1919 (69-140) textfigs. 1793 
Wahlgren, E. Svensk insektfauna. 
[Swedish insectfauna.] Utg. av 
Entomologiska foreningen. 1. Stock- 
holm. 11. Tvavingar. Diptera. 2.- 
Cyelorapha. 2. Schizophora. Fam. 13— 
20. Uppsala 1919 (225-322) textfigs. 
1794 ^ 
Walker, E. M. The terminal 
abdominal structures of Orthopteroid' 
Insects : a phylogenetic study. Ann, 
Amer. Ent. Soc. Columbus 12 1919* 
(267-316) 9 pis. 1795 
Walker, E. M. On the male and 
immature state of Qryllohlatta campo- 
deiformia Walker. Canad. Entom.. 
London Can. 51 1919 (131-138) 2 pig, 
. [Orthoptera.] 1790- 
Walker, E. M. Orthoptera. Report' 
of the Canadian Arctic Expedition,. 
1913-18 (Southern Party, 1913-16) 3= 
Ottawa 1919 (1 J-4 J). 1797' 
Walker, F. H. Synchronous move- 
ments in Vanessa antiopa larvae, with 
notes on the attraction of certain 
male Lepidoptera by the females of 
their own species. Psycho Boston 26 
1919 (13-16). 1798 
Wallis, E. F. Diptera in nests of 
Crabro. Entomologist London 52 1919 
(14). [Hymenoptera.] 1799 
Walsingham, the Lord. New species 
of Aristotelia and Micropteryx, Ent, 
Rec. London 31 1919 (10-12). [Lepido- 
ptera.] i80a 
Walsingham the Lord. Appreciation 
[of F. D. Godman]. Proc. entom, 
Soc. London 1919 1919 (iii-v). 1801 
C 10 
