TITLES. 
Ins. 15 
215. [Cockerell, T. D. A.] Contributions from the New Mexico Biological 
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216. *Comstock, J. H.' Insect life. An introduction to nature-study and 
a guide for teachers, students and others interested in out-of-door life. 
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217. Cooley, R. A. New species of Chionaspis. Canad. Ent. xxix, 
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218. Coquillett, D. W. Revision of the Tachinidce of America north of 
Mexico. Bull. Dep. Agric. Ent. Tech, vii, 156 pp. 
. [See also Call (153) & Slingerland (1025).] 
219. Corti, E. Aggiunte alia fauna ditterologica della provincia di Pavia. 
Bull. Soc. ent. Ital. xxix, pp. 136-143. \_Diptera.~\ 
220. Costa, A. Sulla estensione geografica in Italia di tre Tentredinidei 
ed osservazioni sulla Tenthredopsis Jioricola. Rend. Acc. Napoli (3), 
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221. Coupin, H. Les parasites des fourmis et des fourmilikres. Nature 
(La), 1897, 2, p. 81, cuts. 
Relates to lasing and Antennophorus with a remarkable illustration. 
222. Cu^not, L. La determination du sexe. Bibliogr. anat. iv, 1897, 
pp. 14, 15. 
223. . Sur la saignee reflexe et les moyens de defense de quelques 
Insectes. Arch. Zool. exp. (3), iv, pp. 654-680. [ Coleoptera , Ortho- 
ptera .] 
Summary, J. R. Micr. Soc. 1897, p. 200. 
224. . La saignee rdflexe chez les Insectes. Mem. Soc. Ant. Alz. x, 
pp. 39-48. 
An abbreviation of the preceding, Summary in Zool. Centralbl. iv, 
p. 634. 
225. CunI, M. Fauna entomologica de la villa de Calella (Cataluha, pro- 
vincia de Barcelona). An. Soc. Espan. xxvi, pp. 281-330. 
226. Czerwinski, K. Beitriige zur Kenntnis der Termiten. Zool. Anz. 
1897, pp. 199-202. 
227. Dahl, F. Puliciphora , eine neue, flohahnliclie Fliegengattung. Zool. 
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228. Dalla Torre, K. W. v. Zur Nomenclatur der Chalcididen- 
Genera. Wien. ent. Zeit. xvi, pp. 83-88. [ Iiymenoptera .] 
229. Dalla Torre, C. G. De. Catalogus llymenopterorum hucusque 
descriptorum systematicus et synonymicus. Vol. viii. F'ossores 
( Sphegidce ). Leipzig, 1897, 8vo., 749 pp. 
230. Daniel, K. Ein neuer Otiorrhynckus aus Siebenbiirgen. Soc. ent. 
xii, p. 65. [ Coleoptera.~\ 
231. Dannatt, W. Ornithoptera {Pompeoptera) irregularis n. sp. Entomo- 
logist, 1897, p. 312. [Lepidoptera.] 
232. Davidson, J., Bell, T. R.., Aitken, E. H. The butterflies of the 
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233. Davis, G. C. Descriptions of new species of Trigonalidce , Stephanidae 
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