TITLES. 
Ins . 59 
911. Weymer, G., & Maassen, P, Lepidopteren gesammelt auf einer 
Reise durch Colombia, Ecuador, Peru, Brasilien, Argentinien, und 
Bolivien in deu Jahren 1868-1877 von Alphous Stiibel. Mit 9 
colorirten Tafeln. Berlin : 1890, pp. vi & 182. 
Consists of local lists, and descriptions of 197 novelties. 
912. Wheeler, W. M. Ueber ein eigenthiimliches Organ im Locusti- 
denembryo. Zool. Anz. xiii, pp. 475-480. 
A prseoral process that afterwards disappears. Summary in J. R. Micr. 
Soc, 1890, p. 716. 
913. . Note on the Oviposition and Embryonic Development of 
Xiphidium ensiferum. Ins. Life, ii, pp. 222-225. 
914. . Descriptions of some new North American Dolichopodida i. 
Psyche, v, pp. 337-343, 355-362, & 373-378. [Diptera.'] 
915. . The supposed Bot-Fly parasite of the Box-Turtle. T. c. 
p, 403. [j Diptera.] 
916. Wickham, H. F. Remarks on some Western Tenebrionidce. Ent. 
Am. vi, pp. 83-88. [Coleoptera.~\ 
Relates to the habits of North American species. 
. [See also Brendel & Wickham (84).] 
917. W ielowie jski, H. v. Contribution a l’histoire des Organes Lumi- 
neux chez les Insectes. Bull. Sci. Fr. Belg. xxii, pp. 166-172. 
A contradiction of Dubois’ views. 
918 °Wilhelm, H. Ueber Oscinis pusilla, Meig., die Haferfliege, und die 
Mittel zu ihrer Bekampfung. Teschen : 1889, 40 pp. 
Cf, Wien. ent. Z. ix, p. 43. 
919. Wilkins, A. Les Cicindeles Touraniennes. Etude faunistique et 
zoo-geographique. Hor. Ent. Ross, xxiv, pp. 86-119, pi. i, and map. 
[ Coleoptera .] 
920. . Proposition d’une nouvelle methode pour preserver les col- 
lections d’lnsectes contre les attaques de leurs ennemis. T. c. p 233. 
921. Wistinghausen, C. v. Ueber Tracheen-endigungen in den Seric- 
terien der Raupen. Z. wiss. Zool. xlix, pp. 565-582, pi. xxvii. 
The tracheal capillaries terminate by anastomoses with other termina- 
tions, so that the tracheal system is a closed one. 
922. °Witlaczil, E. Ueber den heutigen Stand der Reblausfrage. 
Mitth. sect. f. Naturkunde des Oesterreich Touristen-Club. Vienna : 
1890, ii, pp. 41-45. 
Cf. Wien. ent. Z. ix, p. 216. 
923. Wood, J. H. Nepticula torminalis , a species new to science. Ent. 
M. M. (2) i, p. 209. [LepidcpteraJ] 
