BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
91 
809. [Walsh, B. D., and C. V. Riley.] Caterpillar of the io moth. 
<Amer. Ent., September-October, 1869, v. 2, p. 31. 
Answer to inquiry of Mrs. Tildesley; characters of larva and imago of Sa- 
turnia [ = Hyperchiria] io; food-plant and urticating properties of the larva. 
810. [Walsh, B. D., and C. V. Rileyl] Apple-tree worms. <Amer. 
Ent., September-October, 1869, v. 2, p. 32. 
Answer to inquiry of H. K. Vickroy; habits and characters of larva of Acro- 
basis [ = Pempelia] hammondi ; habits of larva of Phycita nebulo [— Acrobasis 
indiginella ]. 
811. [Walsh, B. D., and C. V. Riley.] Stinging larvae. <Amer. 
Ent., September-October, 1869, v. 2, p. 32. 
Answer to inquiry of J. C. Falls; meaning of the vernacular and technical 
names of Empretia stimulea ; urticating properties of lepidopterous larvse. 
812. [Walsh, B. D., and C. V. Riley.] Lappet caterpillar on apple- 
tree. <Amer. Ent., September-October, 1869, v. 2, p. 32. 
Answer to inquiry of W. Stark; characters of larva of Gastropacha americana. 
813. [Walsh, B. D., and C. V. Riley.] Spined spider. <Amer. Ent., 
September-October, 1869, v. 2, p. 32. 
Answer to inquiries of G. W. Kinney and T. W. Gordon; characters and 
synonymy of Epeira [= Acrosoma ] sjrinea. 
814. [Walsh, B. D., and C. Y. Riley.] Dangerous looking. <Amer 
Ent., September-October, 1869, v. 2, p. 32. 
Answer to inquiry of M. M. Kenzie; characters and sting of Mutilla cuc- 
cinea [= Sphceroplithalmaoccidentalis']. 
815. [Walsh, B. D., and C. Y. Riley.] Bag-worms again. <Amer. 
Ent., September-October, 1869, v. 2, p. 32. 
Answer to inquiry of T. C. Tipton ; ravages of Tliyridopteryx ephemeraeformis ; 
harmlessness of larva of Protoparce celeus ; habitat of larva of Musca do- 
mestica. * 
816. [Walsh, B. D., and C. Y. Riley.] Large water-beetle. <Amer. 
Ent., September-October, 1869, v. 2, p. 32. 
Answer to inquiry of S. E. Munford; secondary sexual characters in elytra 
of Cybister jimbriolatm. See No. 750. 
817. [Walsh, B. D., and C. Y. Riley.] Beetles under dead fish. 
<Amer. Ent., September-October, 1869, v. 2, p. 32. 
Answer to inquiry of T. Ferrell; food-habits and characters of Silpha peltata 
[= americana]. 
818. [Walsh, B. D., and 0. Y. Riley.] Universal remedies. <Amer. 
Ent., November, 1869, v. 2, pp. 33-35. 
Worthlessness of any one substance as a means against insects. 
819. [Walsh, B. D., and C. Y. Riley.] Tent-caterpillars and fall- 
web-worms. <Amer. Ent., November, 1869, v. 2, p. 39. 
Critical review of article in Western Rural, August 26, 1869 ; seasons, habits, 
food-plants, and characters of Clisiocampa americana and Hyphantria textor 
[=camea]. 
