BIBLIOGRAPHY OP ECONOMIC ENTOMOLOGY. 55 



403. [WALSH, B. D., and C. 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 ritis- 

 pomum mistaken for an apple growing on a grape-vine. See Nos. 332, 436, 



478. 



404i [WALSH, B. D., and C. V. 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. V. EILEY.] Scientific symbols. <Amer. 



Ent., October, 1868, v. 1, p. 28. Reprint : <Op. cit., Novem- 

 ber, 1869, v. 2, p. 50. 

 Explanation of the use of the signs designating the sexes. 



406. [WALSH, B. D., and C. V. 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. V. RILEY.] The sting of the 17-year 



Cicada. <Amer. 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 Stizus 

 grandis [= Sphecius speciosus']. 



408. [WALSH, B. D., and C. V. RILEY.] On our table. <Amer. Ent., 



October, 1868, v. 1, p. 37. 

 Notice of "The insect world," by L. Figurer. 



409. [WALSH, B. D., and C. V. 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 Coreus [= Anasa~\ tristis 

 during its metamorphoses. 



410. [WALSH, B. D., and C. V. 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 Lachnosterna 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 W-lineata. 



412. [WALSH, B. D., and C. V. RILEY.] "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. V. 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 [= CEdemasia'] concinna; Campoplex [= Limneria~\ fugiliva parasitic 

 on larva of Euchcetes egle. 



414. [WALSH, B. D., and C. V. RILEY.] Grapes cut off by the tree 



cricket. <Amer. But., October, 1868, v. 1, p. 38, fig. 30-31. 

 Answer to inquiry of J. H. Tlce; food-habits of GEcanthus niveus ; deposition 

 of eggs ; figures both sexes. 



