TITLES. 
Ins. 15 
194. [Cockerell, T. D. A.] Exomalopsis , a neotropical genus of bees 
in the United States. Canad. But. xxviii, p. 25. [Hymenoptera.] 
195. . Five new bees of the genus Calliopsis from New Mexico. 
T. c. pp. 158-161. [Hymenoptera.] 
196. . Three new bees of the genus Calliopsis from Colorado. Ent. 
News Philad. vii, pp. 221-223. [Hymenoptera .] 
197. . New bees of the genera Xenogl-ossa and Podalirius ( Antlio - 
phora). Canad. Ent. xxviii, pp. 191-197. [ Hymenoptera .] 
198. . New bees of the genus Melissodes. Entomologist, 1896, 
pp. 304-308. [Hymenoptera.] 
199. . New species of Nomada and Chyphotes. Canad. Ent. xxviii, 
pp. 284 & 285. [ Hy menoptera .] 
200. - . Still another Aphilanlhops. T. c. p. 221. [Hymenoptera.] 
201. . A Mexican Aleurodicus. T. c. p. 302. [Ilemiptera- 
Homoptera . ] 
202. . A check-list of the Coccidce. Bull. Illinois Lab. iv, 
pp. 318-339. 
203. . On the danger to American horticulture from the intro- 
duction of injurious insects. New Mexico : 4to, 4 pp. 
Apparently not an extract, but a circular. 
204. . Preliminary diagnoses of new Coccidai. Psyche, vii, Supp. 
pp. 18-21. 
205. . On a small collection of Coccidce from the Island of Grenada. 
J. Trinidad Club, ii, pp. 306 & 307. 
206. . Some new species of Japanese Coccidai collected by 0. Taka- 
hashi. Bull: Dep. Agric. ent. Tech, iv, pp. 47-56. 
207. . A Ccroplastes and its parasite. Psyche, vii, Supp. pp. 17 & 18. 
[Coccidai and Hymenoptera. ] 
The description of the parasite is by L. O. Howard. 
208. . New Coccidce from Massachusetts and New Mexico. Canad. 
Ent. xxviii, pp. 222-226. 
209. . A new Coccid from Texas. T. c. p. 83. 
210. . A new scale-insect infesting date palms. Entomologist, 
1896, p. 52. [Coccidai.] 
211. . Some Coccidai found by Mr. Craw in the course of his 
quarantine work at San. Francisco. Bull. Dep. Agric. ent. Tech, iv, 
pp. 42-46. 
212. -. Notes and descriptions of the new Coccidai collected in 
Mexico by Professor Townsend. T. c. pp. 31-39. 
213. . A gall-making Coccid in America. Science, iv, pp. 299 & 300. 
— — . [See also Craw (225).] 
214. Cockerell, T. D. A., & Baker, C. F. Some species of 
Oxybelus found in New Mexico. Psyche, vii, Supp. pp. 21-23. 
[Ily menoptera.] 
215. Cooley, R. A. A new structural character in insects. Psyche, vii, 
pp. 395-398, pi. ix. [Lcpidoptcra.] 
216. Coquillett, D. W. Revision of the North American Empidiv — a 
family of two-winged insects. P. U. S. Mus. xviii, pp. 387-410. 
[Diptera.] 
