214 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1590. Riley, C. V. Locusit flights. An appeal from Prof. C. V. Riley. 
<Manitoba Daily Free Press, 8 September, 1877. S.-b. No. 14, 
p. 91. 
Reprint of questions of Circular No. 1 of U. S. Entomological Commission, 
with request for answers and other information from observers in Manitoba. 
1591. Riley, C. Y. The locusts in Kansas. <Sci. Amer., 8 Septem¬ 
ber, 1877 [v. 51], n. s., v. 37, p. 164. 
No dangerof locust invasion in Kansas and adjacent States in the fall of 1877; 
diseased conditions of late swarms ; seasons of drought and locust swarms 
generally followed by rainy seasons and a scarcity of locusts. 
1592. Riley, C. Y. A satisfactory grasshopper-machine. <Sci. Amer., 
8 September, 1877 [v. 51], n. s., v. 37, p. 169. 
Description and figure of a machine for the killing of locusts. 
1593. [Riley, 0. Y.] Mistaken identity. <N. Y. Tribune, 12 Septem¬ 
ber, 1877. S.-b. No. 14, p. 233. 
Answer to letter of Subscriber; Lema triUneata mistaken for Doryphora 10- 
lineata ; first occurrence of the latter in Vermont in 1876. 
1594. Riley, C. Y. Iujured orchard. <N. Y. Tribune, 12 September, 
1877. S.-b. No. 14, p. 233. 
Answer to letter of G. W. T. ; occurrence of numerous nests of Formicidce 
about the roots of orchard trees; probability that the ants are harmless; 
means against ants. 
1595. [Riley, C. Y.] The stalk-borer. <N. Y. Tribune, 12 September, 
1877. S.-b. No. 14, p. 233. 
Answer to letter of Wise.; food-plants of Gortyna ni}ela ; description of 
larva. 
1596. Riley, C. Y. Locust prospects in southwest Missouri this fall. 
<Journ. and Farmer, 27 September, 1877. S.-b. No. 14, pp. 
236-237. 
Ravages of Caloptenus spretus in Missouri in 1876 and prospects of same in 
1877; history of locust flights in 1877. 
1597. Riley, C. V. The Colorado potato-beetle in Europe. German 
thoroughness. <Sci. Amer., 29 September, 1877 [v. 51], n. s., 
v. 37, p. 198. S.-b. No. 14, pp. 123-124. 
Occurrence of Doryphora 10 -lineata at Bremen and at Miilheim, in Germany; 
thorough measures taken to eradicate the pests; economic value of the 
measures. 
1598. [Riley, C. Y.] The cussed red-leg. <Chicago [Ill.] Times, 29 
September, 1877. S.-b. No. 14, pp. 119-123. Reprint: <Mo. 
Rept. Kansas State Board of Agric., 1877, pp. 32-41. S.-b. No. 
14, pp. 146-161. Abstract: <Amer. Nat., November, 1877, v. 
11, pp. 663-673. <Ca. Nat. and Quart. Jour. Sci., December, 
1877, v. 8, pp. 363-374. 
Distinction between the terms locust and grasshopper; nature of varieties 
and species; distribution of Caloptenus spretus ; laws governing its migra¬ 
tions and distribution ; exemplification of these laws by records of flights 
during 1877; means against locusts; distinctions between Caloptenus spretus 
and C. femur-rubrum ; habits and transformations of Astorna gryllaria (=the 
young of Trombidium sericeum [= locustarum']) ; habits of the latter. 
