214 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1590. RILEY, C. V. Locust 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. V. 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, C. V.] Mistaken identity. <N. Y. Tribune, 12 Septem- 



ber, 1877. S.-b. No. 14, p. 233. 



Answer to letter of Subscriber ; Lema trilineata mistaken for Doryphora 10- 

 lineata ; first occurrence of the latter in Vermont in 1876. 



1594. RILEY, C. V. Injured 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 Formicida; 

 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 nitela ; description of 

 larva. 



1596. RILEY, C. Y. Locust prospects in southwest Missouri this fall. 



<Journ. and Farmer, 27 September. 1877. 8.-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. Y. 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 W-lineata at Bremen and at Miilheim, in Germany; 

 thorough measures taken to eradicate the pests ; economic value of the 



1598. [RiLEY, C. Y.] The cussed red-leg. <Chicago [111.] 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-ritbrum ; habits and transformations of Astoma gryllaria (= the 

 young of Trombidittm sericeum [= Jocusterwwi]) ; habits of the latter. 



