68 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
548. [Walsh, B. D., and C. Y. Riley.] Swellings on apple scions. 
<Amer. Ent., March, 1869, v. 1, p. 146. 
Answer to inquiry of W. Colwell; dipterous galls on apple scions and bass¬ 
wood twigs. 
& • 
549. [Walsh, B. D., and 0. Y. Riley.] Gas-waste vs. Curculio. 
<Amer. Ent., March, 1869, v. 1, p. 147. 
Answer to inquiry of H. ; merits of gas-waste as an insect destroyer. 
550. [Walsh, B. D., and C. Y. Riley.] Eggs of the apple-tree plant- 
louse again. <Amer. Ent., March, 1869, v. 1,-p. 147. 
Answers to inquiries of C. Williams and W. L. French ; means against Aphis 
mali. 
551. [Walsh, B. D., and C. Y. Riley.] Drug store pests. <Amer. 
Ent., March, 1869, v. 1, p. 147. 
Answer to inquiry of J. M. Good; food-habits of Lcisioderma serricorne. See 
No. 510. 
552. [Walsh, B. D., and 0. Y. Riley.] Small galls and minings on 
apple-twigs. <Amer. Eut., March, 1869, v. 1, p. 147. 
Answer to inquiry of O. O. A. Gardner; characters of undetermined galls 
and borings in twigs of apple-trees. 
553. [Walsh, B. D,,and C. Y. Riley.] Stinking bugs. <Amer. Ent., 
March, 1869, v. 1, p. 147. 
Answer to®inquiry of C. L. Janney; habits of an undescribed Brachyrhyn- 
chus. 
554. [Walsh, B. D., and C. Y. Riley.] Eggs in peach-twigs. <Amer. 
Ent., March, 1869, v. 1, p. 147. 
Answer to inquiry of G. Fisher; character of eggs of CEcanthus niveus. 
555. [Walsh, B. D., and C. Y. Riley.] Flat-headed apple-tree borer. 
<Amer. Ent., March, 1869, v. 1, p. 147. 
Answer to inquiry of B. F. Madge ; means against Chrysobotliris femorata. 
556. [Walsh, B. D., and G. Y. Riley.] A bundle of entomological 
queries. <Amer. Eut., March, 1869, v. 1, p. 148. 
Answer to inquiry of W. W. Butterfield ; mentions several desirable entomo¬ 
logical books. 
557. [Walsh, B. D., and C. V. Riley.] Grape-berry moth. <Amer. 
Ent., March, 1869, v. 1, p. 118. 
Answer to inquiry of M. C. Road ; means against Pentliina vitivorana [— Eu- 
demis botrana ]. 
558. [Walsh, B. D., and C. Y. Riley.] Hairy caterpillar. <Amer. 
Ent., March, 1869, v. 1, p. 148. 
Answer to inquiry of T. S. Gold ; characters of the larva aud imago of Arctia 
[= Pyrrharotia ] Isabella. 
559. [Walsii, B. D.' and C. Y. Riley.] Borer in plum-twigs. <Amer. 
Ent., March, 1869, v. 1, p. 148. 
Answer to inquiry of W. Caldwell; undetermined borer, allied to the oak. 
pruner, in plum-twigs, gee No. 606. 
