BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
231 
1650. Riley, C. Y.—Continued. 
teryx ephemerceformis ; description of eggs and figures of all other stages; 
down in which the eggs are enveloped is extruded from the abdomen with 
the eggs; food-plants, parasites, and means against the species; its folli¬ 
cles available for silk production ; this species proterogynous hut most in¬ 
sects proterandrous. 
1651. Riley, C. Y. Notes on the life-history of the blister-beetles, and 
on the structure and development of Hornia. <Kansas City 
Review of Science and Industry, September, 1878, vol. 2, No. 
6, p. 353. S.-b. No. 19, p. 209. Reprint: <Proc. Amer. Assoc. 
Adv. Sci. for 1878 [14 July), 1879, v. 27, pp. 284-285. See: 
<Ca. Ent. September [October], 1878, v. 10, pp. 177-178. 
Occurrence in Epicauta and Macrobasis of the hypermetamorphoses character¬ 
istic of Meloidw ; specification of the stages of the same; summary of the 
life-history of Hornia niinutipennis parasitic on Anthophora abrupta. 
1652. Riley, C. Y. On the larval characteristics of Corydalus and 
Chauliodes , and on the development of Corydalus cornutus. 
<Kausas City Review of Science and Industry, September, 
1878, v. 2, No. 6, p. 354. S.-b. No. 19, pp. 210-211. Reprint: 
<Ca. Ent., May, 1879, v. 11, pp. 96-98. <Proc. Amer. Assoc. 
Adv. Sci. for 1878, [14 July], 1879, v. 27, pp. 285-287. See: 
<Ca. Ent., September [October], 1878, v. 10, p. 178. 
Characters and economic value of larva of Corydalus cornutus ; characters in 
brief of the imago; characters of larva of Chauliodes; description of eggs 
of both genera; situation of egg-masses of Corydalus and physical character 
of their covering; description of respiratory apparatus and method of res¬ 
piration of larvrn of Corydalus. 
1653. Riley, C. Y. Biological notes on the gall-making Pemphigince. 
< Kansas City Review of Science and Industry, September, 
1878, v. 2, No. 6, p. 380. S.-b. No. 19, pp. 211-212: 212. Re¬ 
print: <Proc. Amer. Assoc. Adv. Sci. for 1878, [14 July], 1879, 
v. 27, pp. 288-289. Abstract: <Nature, 28 November, 1878, v. 
19, p. 75. Extract: <Sci. Amer., 26 October, 1878 [v. 53], n. 
s., v. 39, p. 266. S.-b. No. 19, p. 244. 
Method of hibernation of gall-making Pemphigincc on. Ulmus. 
Note. —Nos. 1651-1653 and 1668 — 1669 were reprinted from Proc. Amer. Assoc. 
Adv. Sci., v. 27, under a separate cover. Salem, February, 1879. 
1654. [Riley, C. Y.] The cottonwood killer. <N. Y. Weekly Tribune, 
9 October, 1878. S.-b. No. 19, p. 242. Extract: <Amer. Ent., 
July, 1880 [v. 3], n. s., v. 1, pp. 159-160. 
Habits, ravages, and food-plants of Lina scripta; description of and means 
against the same; Trypeta pomonella an example of the acquisition of new 
habits in insects. 
1655. [Riley", C. Y.] A new insect foe to green corn. <N. Y. Tribune, 
9 October, 1878. S.-b. No. 19, pp. 234; 244. 
Ravages of Cetonia [ = Euphoria] inda. 
1656. [Riley, C. Y.] Inquiring friends. <N. Y. Tribune, 9 October, 
1878. S.-b. No. 19, p. 245. 
Ravages and food-plants of Hylesinus opaculus; impracticability of means 
against bark-borers in large trees. 
