BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 31 
206. W[Alsh], B. D. Remarks by B. D. W. <Pract. Ent., February, 
1867, v. 2, p. 54. 
Comments on S. S. Rathvon’s l - Bag-worms” (Pract. Ent., pp. 53-54); dis¬ 
tribution and food-plants of Thyridopteryx ephernerceforviis. 
207. W[alsh], B. D. Habits of the tree-cricket ((Ecanthus niveus). 
<Pract. Ent., February, 1867, v. 2, p. 54, figs. 
Characters of eggs and method of deposition; characters, food-habits, and 
figures of the imago. 
208. [Walsh, B. I).] Importing European parasites. <Pract. Ent., 
February, 1867, v. 2, pp. 54-55. 
Imaginary correspondence between Asa Fitch and John Curtis on the im¬ 
portation of parasitic insects. 
209. [Walsh, B. D.J [Screw-worm.] <Pract. Ent., February, 1867, 
v. 2, p. 55. 
s Answer to inquiry of L. D. Morse; undetermined larva found in osage- 
orangeseed; hominivorous habits of Lucilia macellaria. 
210. [Walsh, B. D.] [Attacus cecropia. ] <Pract. Ent., February, 
1867, v. 2, p. 55. 
Answer to inquiry of T. T. Smith ; characters of larva and imago of Attacus 
cecropia-, food-plants; methdd of issuance from cocoon; nature of fluid 
discharged when emerging from cocoon. 
211. [Walsh, B. D.] [Apple-worm.] <Pract. Ent., February, 1867 ? 
v. 2, pp. 55-56. 
Answer to inquiry of W. C. Fish ; characters of the pupa of Sciara mail. 
212. [Walsh, B. D.] [Oak-gall.] <Pract. Ent., February, 1867, v. 2, 
p. 56. 
Answer to inquiry of W. Muir; characters of an undetermined cynipid gall 
on oak. 
213. [Walsh, B. D.] [Cicada : Grape-vine Procris.] <Pract. Ent., 
February, 1867, v. 2, p. 56. 
Answer to inquiry of JVL S. Hill; variations in the imago of Cicada [= Tibi- 
ce«] septendecim and in the song of the same ; characters of the larva of 
Procris [= Harrisina\ americana. 
214. [Walsh, B. D.] [Nitidulidce.] <Pract. Ent., February, 1867, v. 
2, p. 56. 
Answer to inquiry of W. H. S.; food-habits of Ips fasciatus and Hiiidula 
bipustulata. 
215. [Walsh, B. D.j [Turnip enemy.] <Pract. Ent., February, 1867, 
v. 2, p. 56. 
Answer to inquiry of F. T. Pember; characters and food-habits of Polydes- 
mus complanatus. 
216. [Walsh, B. D.] [Wheat midge.] <Pract. Ent., February, 1867, 
v. 2, p. 57. 
Answer to inquiry of C. P. Wickersham ; nature of the membrane envelop¬ 
ing the full-grown larva of Diplosis tritici. 
