75 Insecta. 
Titles. 
3500 
Wasmann, E. Total Rotblindheit 
der kleinen Stubenfliege (Homalomyia 
canicular is L.). Biol. Zentralbl. Leip- 
zig 38 1918 (130). [ Diptera .] 1602 
Wasmann, E. Zur Lebensweise 
und Fortpflanzung von Pseudacteon 
formicarum Verr. (Diptera, Phoridao.) 
Biol. Zentralbl. Leipzig 38 1918 (317- 
328 and 456). 1603 
Wasmann, E. Viviparitat und 
Entwicklung von Lomechusa und 
Atemeles. 216 Boitrag zur Kenntnis 
der Myrmokophilon. Wiener out. Zoit. 
Wien 34 1915 (382-393). [ Coleoptera .] 
1604 
Wasmann, E. Myrmecophile und 
tormitophile Coleopteren aus Ostindien, 
hauptsachlich gesammelt von P. J. 
Assam th S.J. Wiener ent. Zeit. Wien 
37 1018 (1-23) pis. i and ii. 1605 
Wasmann, E. Labiodorus (joryi 
Westw. var. bicolor nov. var. Leiden 
Zool. Meded. 4 1918 (251-253). [ Coleo- 
ptera, ,] 1606 
Wasmann, E. Ueber Pleuropterus 
dolirni Bits, und lujae Wasm. und die 
Larve von Pleuropterus dolirni. ’s Gra- 
venhage Tydschr. Ent. 61 1918 (76- 
87). pi. vii. [Coleoptera.] 1607 
Watanabe, K. Nikasoi to shikasei 
to no idonkwankoi nk tsuito. [On 
the hereditary characters of bivoltins 
and quadrivoltins of silkworms.] Tokyo 
Sangyo Shikenjo Hokoku [Report of the 
Sericultural Institute] 3 1918 (397-437). 
[Lepidoptera.] 1608 
Watanabe, K. Kaiko no iro to gaikai 
no jijo to no kwankei ni tsuito no 
kenkyu. [Experiements on the relation 
between the colour of silkworms and 
external conditions.] Tokyo Sangyo 
Shikenjo Hokoku [Report of the Seri- 
cultural Institute] 3 1918 (439-456). 
[Lepidoptera.] 1609 
Watanabe, K. Kenshoku no notan ni 
tsuite. [On the variation of the colour 
of silkworms-cocoons.] Tokyo Ni. 
Sanshi Kw. Ho. 1918 (493-496). [Lepi- 
doptera.] 1610 
Waterston, J. On the mosquitos 
of Macedonia. Bull. ent. Res. London 
9 1918 (1-12). [Diptera.] 1611 
Waterston, J. Notes on some blood- 
sucking and other Arthropods (except 
Culicidae) collected in Macedonia in 
1917. Bull. ent. Res. London 9 1918 
(153-155). 1612 
Watson, F. E. A large number of 
species of butterflies observed in one 
day’s collecting. J. New York Ent. 
Soc. 26 1918 (3-7). [Lepidoptera.] 1613 
Watson, J. H. Hemileuca burnsi, 
its specific validity and habitat. Ent. 
News Philadelphia 29 1918 (252-255). 
[Lepidoptera.] 1614 
Webster, R. L. Notes on two straw- 
berry slugs Empria fragariae Rohwer, 
Empria maculata Norton. Proc. Iowa 
Acad. Des Moines 23 1916 (291-296) pi. 
vii. [Hymenoptera.] 1615 
Webster, R. L. Food conservation 
and oconomic entomology. Proc. Iowa 
Acad. Dos Moines 25 1918 (117-122). 
1616 
Weise, J. Coleoptera, i. Chrysomeli- 
dae und Coccinelhdae. Beitr. Land.- 
Siisswasserf. Deutsch. Sudwestafrikas 
Hamburg 1918 1 (253-275). 1617 
Weiss, H. B. Isaac B. Trimble, M.D., 
early economic entomologist of New 
Jersey. Ent. News Philadelphia 29 
1918 (29-32). 1618 
Weiss, H. B. Additions to insects 
of New Jersey, No. 5. Ent. News 
Philadelphia 29 1918 (309-312). 1619 
Weiss, H. B. and Dickerson, E. L. 
The European mole-cricket, Gryllotalpa 
gryllotalpa L., an introduced insect 
pest. J. New York ent. Soc. 26 1918 
(18—23) pi. ii. [Orthoptera.] 1620 
Weiss, H. B. and Dickerson, E. L. 
The early stage of Corythucha pergandei 
Heid. Ent. News Philad. 29’ 1918 
(205-209). [Heteroptera.] 1621 
Weiss, H. B. and Dickerson, E. L. 
Notes on Trioza alacris Flor in New 
Jersey. Psyche Boston 25 1918 (59- 
63). [Homoptera.] 1622 
Weiss, H. B. and Nicolay, A. S. 
Notes on Closterocerus cinctipennis 
Ashm. in New Jersey. Psyche 25 
1918 (128-130). [Hymenoptera.] 1623 
Weiss, H. B. vide Dickerson and 
Weiss. 
