TITLES. 
Ins. 7 
37. [Ashmead, W. H.] Classification of the pointed-tailed wasps, or the 
superfamily Proctotrypidce. I. J. N. York Ent. Soc. x, pp. 240-247. 
[Hymenoptera. ] 
38. -. Papers from the Harriman Alaska expedition, xxvm. Hy- 
menoptera. P. Washington Ac. iv, pp. 117-274, pis. ix-xi. 
39. -. A new genus of Diapriids from Texas. Biol. Bull, iii, p. 15. 
[. Hymenoptera.\ 
40. -. The Hymenopterous parasites of Phenacoccus cavallice Ckll. 
Canad. Ent. xxxiv, pp. 301, 302. 
41. -. A new Bumble bee from Colorado. Ent. News Philad. xiii, 
p. 50. [Hymenoptera.\ 
42. -. A new Bruchophagus from Mexico. Psyche ix, p. 324. \Hy- 
menoptera .] 
43. -. A new Catolaccus on Sitotroga cerealis Oliv. T. c. p. 345. 
\Hymenoptera. ] 
Atkins, E. [See Cockerell & Atkins (272, 273).] 
44. Auel, H. Beitrag zur Entwickelungsgeschichte von Pieris brcissicce L. 
Allg. Zeitschr. Ent. vii, pp. 113, 139, 184. [Lepidoptera.\ 
45. Aurivillius, C. On the Ethiopian genera of the family Striphno- 
pterygidw. Bih. Svenska Ak. xxvii, No. 7, 33 pp., 5 pis. \Lepido- 
ptera.\ 
46. -. Neue oder wenig bekannte Coleoptera Longicornia. 7. Ent. 
Tidskr. xxiii, pp. 207-224. 
47. -. Beitriige zur Kenntniss der Insektenfauna von Kamerun. No. 
11. Lepidoptera Heterocera. i. T. c. pp. 273-288, pis. iv r v, vi. 
-. [See also Distant (332).] 
Austen, E. E. [See Marshall (868).] 
48. Axelson, W. M. Vorlaufige Mittheilung fiber einige neue Collembolen- 
Formen aus Filmland. Medd. Soc. Faun. Fenn. xxvi, pp. 105-123. 
49. -. Diagnosen neuer Collembolen aus Finland und angrenzenden 
Teilen des nordwestlichen Russlands. Op. cit. xxviii, pp. 101-111. 
50. Bachmetjew, P. Kalorimetrische Messungen an Schmetterlingspup- 
pen. Zeitschr. wiss. Zool. lxxi, pp. 550-624. 
Summaries by M. v. Linden, Zool. Centrlbl. 1902, pp. 786-788; and 
J. R. Micr. Soc. 1903, p. 33. 
51. -. Ein neu-entdecktes Scliutzmittel bei Schmetterlingspuppen 
gegen Kalte. Soc. ent. xvi, p. 161. \Lepidoptera.'] 
52. -. Die Schmetterlinge Bulgariens. Hone Soc. ent. Ross, xxxv, 
pp. 356-466. [. Lepidoptera .] 
53. Baer, G.-A. Observations sur quelques Calosomes du Perou. Bull. 
Soc. ent. France 1902, pp. 83, 84. [ Coleoptera .] 
54. Ball, E. D. A review of the Cercopidce of North America, north of 
Mexico. P. Iowa Ac. vi, 1899, pp. 204-226. [ Hemiptera-Honioptera.\ 
55. -. Notes on the Acocephalina ( Homoptcra-Jassidce ). Op. cit. vii, 
1900, pp. 64-72. 
56. -. A review of the Tettigonidce of North America north of Mexico. 
Op. cit. viii, pp. 35-75, pis. i-v. \Hemiptera-Homoptera^\ 
