56 Ins . 
IN8ECTA. 
864. [Verson, E.] Chemisch analytische Untersuchungen an lebenden 
Raupen, Puppen, und Schmetterlingen. T. c. p. 558. 
Relates to Urech’s paper -. suprd. 
865. -. Zur Parthenogenesis beim Seidenspinner. T. c. p. 44. 
Relates to the alleged influence of electricity on unfertilised eggs. 
866. Del grado di sviluppo che sogliono raggiungere le Uova non 
fecondate del Filugello. Bull. Ent. Ital. xxi, pp. 118-123. [ Lepido - 
ptera .] 
867. Viallanes, H. Sur quelques points de l’histoire du Developpe- 
ment embryounaire de la Mante religieuse. ( Mantis religiosa.) 
Communication preliminaire. Rev. Biol, ii, pp. 479-488. 
868. Vitale, F, Studii sull’ entomologia Messinese. Nota 1 a. Gli 
Apion. Bull. Ent. Ital. xxi, pp. 141-156. Noti 2 a. I Cleonidi. 
Op. cit. xxii, pp. 122-137. [Coleoptera.] 
869. Vosseler, J. Die Stinkdriisen der Forficuliden. Aroh. mikr. Anat. 
xxx vi, pp. 565-578. [OrthopteraT] 
Summary in J. R. Micr, Soc. 1891, p. 184. 
Vuillot. [See Mabille & Vuillot (502). 
870. Wackerzapp, 0. Die Fauna des Simplon-Gebiets. S. E. Z. li, pp. 
211-228. 
871. . Ueber den Simplon zum Monte Rosa. T. c , pp. 137-163. 
[Lepidoptera.] 
872. Walker, F. A. On Colours in Nature J. Viet. Inst, xxiii, pp. 
81-108. 
Contains remarks on the colours of butterflies. 
873. Walker, J. J. Notes on Lepidoptera from the Straits of Gib- 
raltar, Tr. E. Soc. 1890, pp. 361-391. 
874. Wallengren, H. D. J. Forteckning ofver Trichoptera cequipal - 
pina som hittills blif vit funna pa Skandinaviska halfon. Ent. Tidskr. 
xi, pp. 1-17. 
Includes remarks on some doubtful Linmean species of Trichoptera. 
875. Walsingham, Lord. President’s Address. P. E. Soc. 1890, pp. 
xlviii-lx. ' 
876. — — . Steps towards a revision of Chambers’ index, with notes and 
descriptions of new species. Ins. Life, ii, pp. 284-286 & 322-325. 
[Lepidoptera.] 
877. - — Notes on the genus Argyresthia, Hb., with descriptions of 
new species. Op. cit. iii, pp. 117-119. [Lepidoptera.] 
. [See also Swiniioe (838).] 
878. Ward, R. Notes on Scale and other Parasitical Insects. Timehri, 
(n. s.) iv, pp. 302-311. [ Coccidce .] 
