BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 211 



1570. EILEY, C. R. Continued. 



THE ROCKY MOUNTAIN LOCUST Continued. 



tion of fruit-trees, 110 Legislation, 111 Act passed by the Mis- 

 souri legislature, 111 Acts passed by the Kansas legislature, 

 112 Act providing for the destruction of locusts in Minnesota, 

 114 Area in which eggs were laid, 116 Condition of eggs. 117 

 Temperature of the winter of 1876-"77, 120 Prospects for 1877, 

 121. 



INNOXIOUS INSECTS. ' 



THE HELLGRAMMITE, Corydalus cornutus 125 



Its curious egg-mass described, 126 Resembling bird-dung at a dis- 

 tance, 126 Where laid. 127 The egg-burster, 127 Characters 

 and habits of the newly-hatched larva, 127 Difficulty of rearing 

 it in still water, 128 The eggs that have been hitherto mistaken 

 for those of Corydalus, 128 They are probably those of Belo- 

 stoma grandis, 128. 



THE YUCCA BORER, Megathymus yuccie 129 



It is single-brooded, 129 Will thrive in the latitude of St. Louis, 

 129 The larva molts quite often, 129. 



1571. EILEY, C. V. Important observations on the Eocky Mountain 



locust or grasshopper pest of the West. <Sci. Amer.. 28 

 April, 1877 [v. 50], n. s., v. 36, pp. 260-261, 5 figs. 

 Observations on the egg-laying habits of Caloptenus spretus ; figures egg, egg- 

 masses, method of oviposition, and female anal characters. 



1572. EILEY, C. Y. Experiments with locust eggs and conclusions 



therefrom. <Sci. Amer., 5 May, 1877 [v. 50], n. s., v. 36, pp. 

 276-277. S.-b. No. 14, p. 101. 



Experiments upon the vitality of eggs of Caloptenus spretus; effects of alter- 

 nately freezing and thawing, of exposure to great moisture or to the free 

 air, and of burying them at different depths. 



1573. EILEY, C. V. Prof. Eiley's report to the Governor of Kansas: 



The grasshopper question : Interesting information. <Com- 

 mouwealth [Topeka, Kans.], 12 May, 1877, No. 2500, p. 2. S.-b. 

 No. 14, pp. 63-67. Eeprint: <St. Louis Daily Globe-Democrat, 

 14 May, 1877, v. 2, No. 359, p. 3. S.-b. No. 14, pp. 70-72. 

 Notice: <lbid., p. 4. S.-b. No. 14> p. 70. See: <Kansas 

 Farmer, 16 May, 1877. S.-b. No. 14, p. 59. 



Reply to letter of Governor G. T. Anthony ; area within Kansas in which eggs 

 of Caloptenus spretus were laid in 1876; the degree to which the young 

 from these eggs had perished or were likely to commit ravages in the sum- 

 mer of 1877 ; causes of the destruction of a great proportion of the young 

 locusts ; means of completing this destruction. 



1574. EILEY, C. V. The strawberry leaf-roller, Anchylopera fragarice. 



<Gardener's Mo. and Hortic., May, 1877, v. 19, pp. 143-144, 

 fig. S.-b. No. 14, p. 45. 



Reprint, with additional introduction and note, from 1st Ann. Rept. 

 State Ent. Mo., March, 1869, pp. 142-143, fig. 80. See No. 1059 for sy- 

 nopsis of contents. 



