TITLES. 
In$. 21 
326. [Cockerell, T. D. A.] Descriptions ahd records of bees. i. Op. 
cit. xvi, pp. 216-224. [Hymenoptera.] 
327. . Descriptions and records of bees. ii. T. c. pp. 292-301. 
[Hymenoptera. J 
328. . Descriptions and records of bees. hi. T. c. pp. 301-307. 
[ Hymenoptera. J 
329. . Descriptions and records of bees. iv. T. c. pp. 392-403. 
[ Hymenoptera . J 
330. . Descriptions and records of bees. v. T. c. pp. 465-476. 
[ Hymenoptera. ] 
331. . Descriptions and records of bees. vi. T. c. pp. 477-485. 
[Hymenoptera.] 
332. . Some American Halictine bees in the British Museum. 
Entomologist 1905, pp. 33-37. [Hymenoptera.] 
333. . New and little-known American bees. T. c. pp. 145-148. 
[Hymenoptera. ] 
334. . New Australian bees of the genus Nomia. T. c. pp. 217-223. 
[Hymenoptera.] 
335. . New Australian bees in the collection o^ the British Museum. 
T. c. pp. 270-273, 302-304. [Hymenoptera.] 
336. . Notes on some bees in the British Museum. Tr. Amer. ent. 
Soc. xxxi, pp. 309-364. [Hymenoptera.] 
337. . Three hew bees from the Southwest. Ent. News Philad. xvi, 
pp. 81-83. [Hymenoptera.] 
338. . Three new South American Coccidve. T. c. pp. 161-163. 
339. . New bees from Colorado. T. c. pp. 270-272. [Hymenoptera.] 
340. . A new bee of the genus Perdita from Texas. T. c. p. 331. 
[Hymenoptera.] 
341. . Une nouvelle Abeille du Mexique. Bull. Mus. Paris 1905, 
p. 165. [Hymenoptera.] 
342. . Diadasia Patton : a gentls of bees. Amer. Natural, xxxix, 
pp. 741-745. [Hymenoptera . ] 
343. . Some bees of the genus Nomada from Wisconsin. Canad. 
Ent. 1905, pp. 189-191. [Hymenoptera.] 
344. . Some bees collected by the Rev G. Birkmann at Fedor, Texas. 
T. c. pp. 265-267, 334, 335. [Hymenoptera.] 
345. . New bees of the genera Osmia and Andrena. T. c. pp. 370- 
372. [Hymenoptera.] 
346. . Tables for the separation of some bees of the genera Coelioxys 
and Colletcs. Psyche xii, pp. 85-90. [Hymenoptera.] 
347. . Some new Eucerine bees from the West. T. c. pp. 98-104, 
[Hymenoptera.] 
348. . The bees of Southern California, vi. Bull. S. Calif. Ac. iii, 
pp. 159-162. vii. Op. cit. iv, pp. 13-15. vm. T. c. pp. 28-33, 
99-106. [Hymenoptei'a.] 
Some previous parts of this series have not been seen by the Recorder. 
