40 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



303. W[ALSH], B. D. Scientific nomenclature. <Pract. Ent., July, 

 1867, v. 2, pp. 105-106. 



Criticism of the practice of establishing new geuera upon slight characters, 

 as illustrated by the American silk-worms. 



. 304. W[ALSH], B. D. Currant plant-lice (Aphis ribis). <Pract. Eiit., 



July, 1867, v. 2, p. 106. 

 Method of work of Aphis [==Myzun] ribis. 

 305. [WALSH, B. D.] [Lucanus elaphus.] <Pract. Ent., July, 1867, v. 



2, p. 107. 



Answer to inquiry of S. Haycraft ; characters and habits of Lucanus elaphus ; 

 rarity of the 9 > use of prolonged jaws in $ insects. 



. 306. [WALSH, B. D.] [New York weevil.] <Pract. Ent., July, 1867, 



v. 2, p. 107. 



Answer to inquiry of T. Gregg ; habits and distribution of Ithycerus novebora- 

 censis. 



307. [WALSH, B. D.] [Codling-moth.] <Pract. Ent, July, 1867, v. 2, 



p. 107. 



Answer to inquiry of H. Morey ; number of broods, habits, etc., of Carpocapsa 

 pomoneUa. 



308. [WALSH, B. D.] [Hickory borer, etc.] <Pract. Ent., July, 1867, 



v. 2, p. 107. 



Answer to inquiry of T. Wiggins; times of emergence of Clytus [= Cyllene] 

 yictus and C. [=C.] robinia; habits of Corydalus cornulus. 



309. [WALSH, B. D.] [Wasps.] <Pract. Ent., July, 1867, v. 2, p. 107. 



Answer to inquiry of G. W. Smith ; food-habits of digger-wasps. 



310. [WALSH, B. D.] (Parasitic flies, etc.] <Pract. Ent., July, 1867, 



v. 2, pp. 107-108. 



Answer to inquiry of S. P. Monks ; method of transformation of parasitic 

 Hyuienoptera ; use of Latin plurals for English words. 



311. [WALSH, B. D.] [Workers among Hymenoptera.] <Pract. Ent., 



July, 1867, v. 2, p. 108. 



Answer to inquiry of W. V. Andrews ; economy of workers among the social 

 Hymenoptera. 



312. [WALSH, B. D.] [Cut-worms.] <Pract. Ent., July, 1867, v. 2, p. 



108. 

 Answer to inquiry of V. Abbey ; means against Agrotis sp. ? 



313. [WALSH, B. D.] [Potato-beetle enemies.] <Pract. Ent., July, 



1867, v. 2, p. 108. 



Answer to inquiry of W. Smith ; scutellerid enemy of larva of Doryphora 10- 

 lineata ; katydids as an enemy of the same. 



314. [WALSH, B. D.] [Black-bug.] <Pract. Ent., July, 1867, v. 2, p. 



108. 



Answer to inquiry of J. R. Tewksbury; characters and habits of Pirates 

 [= Melanolestes] piclpes. 



