BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 55 
403. [Walsh, B. D., and G. V. Riley.] An apple growing on a grape¬ 
vine. <Amer. Ent., October, 1868, v. 1, p. 28. 
Extract from Richmond ( Fa.) Whig, with criticism ; a gall of Cecidomyia vitis- 
pomum mistaken for an apple growing on a grape-vine. See Nos. 332,436, 
478. 
404. [Walsh, B. D., and C. Y. Riley.] Ticks and Texas fever. 
<Amer. Ent., October, 1868, v. 1, p. 28. 
Improbability that Ixodes bovis is the cause of the Texas fever of cattle. 
405. [Walsh, B. D., and C. Y. Riley.] Scientific symbols. <Amer. 
Ent., October, 1868, v. 1, p. 28. Reprint: <Op. cit., Novem- 
, ber, 1869, y. 2, p. 50. 
Explanation of the use of the signs designating the sexes. 
406. [Walsh, B. D., and C. Y. Riley.] A swarm of butterflies. 
<Amer. Ent., October, 1868, v. 1, pp. 28-29, figs. 20-22. 
Record of swarms of Danais archippus ; food-plant of larva; figures larva, 
chrysalis, and imago. 
407. [Walsh, B. D., and C. Y. Riley.] The sting of the 17-year 
Cicada. <Ainer. Ent., October, 1868, v. 1, pp. 36-37. 
Communications from F. W. Collins, R. Richardson, and B. Borden, on the 
reputed sting of Cicada [= Tibicen ] septendecim and on the habits of Stisus 
grandis [= Sphecius speciosus~\. 
408. [Walsh, B. D., and C. Y. Rileyl] On our table. <Ainer. Ent., 
October, 1868, v. 1, p. 37. 
Notice of “The insect world,” by L. Figuier. 
409. [Walsh, B. D., and C. Y. Riley.] Squash-bug; its change of 
color. <Amer. Ent., October, 1868, v. 1, p. 37. 
Answer to inquiry of J. Periam ; changes of color of Coreas [=^«asa] tristis 
during its metamorphoses. 
410. [Walsh, B. D., and C. Y. Riley.] White grub; immunity from 
it next year in Clinton County, Mo. <Amer. Ent., October, 
1868, v. 1, p. 37. 
Answer to inquiry of J. P. McCartney ; life-habits of Lachnoslerna fusca. 
411. [Walsh, B. D., and C. V. Riley.] Insect enemies of the Colo¬ 
rado potato beetle. <Amer. Ent., October, 1868, v. 1, p. 37. 
Answer to inquiry of S. H. Kriedelbaugh ; identification of three insect 
enemies of Doryphora 10 -lineata. 
412. [Walsh, B. D., and C. Y. Rileyl] “ Harvest-bugs” in America, 
misnamed “jiggers.” <Amer. Ent., October, 1868, v. 1, p. 38. 
Answer to inquiry of M. McKenzie; habits of parasitic Acarina ; distribution 
of and injuries caused by Sarcopsylla penetrans. 
413. [Walsh, B. D., and C. Y. Riley.] Insects named. <Amer. Ent., 
October, 1868, v. 1, p. 38. 
Answer to inquiry of J. T. Smith; food-plants of Aphis mail and of Noto- 
donta [= (Edemasia] concinna ; Campoplex [= Limneria'] fugitiva parasitic 
on larva of Euchcetes egle. 
414. [Walsh, B. D., and C. Y. Riley.] Grapes cut off by the tree 
cricket. <Amer. Ent., October, 1868, v. 1, p. 38, fig. 30-31. 
Answer to inquiry of J. H. Tice; food-habits of CEcanthus niveus ; deposition 
of eggs; figures both sexes. 
