62 GRASSHOPPER BIBLIOGRAPHY. 



designate on what day or days the grasshoppers shall be destroyed, by burning 

 or otherwise, in said senatorial district, giving at least ten days' notice of the 

 same by publishing in the newspapers of the said district. 



SEC. 9. The board of commissioners of each county shall notify the road 

 overseers of said county of the time fixed upon by the joint meeting for the driv- 

 ing and burning, or destroying by other means, of the grasshoppers in the dis- 

 trict ; said notice to be given to said road overseers as soon as practicable after 

 the same shall have been determined by the joint meeting. 



SEC. 10. Said road overseer shall immediately notify the residents of his road 

 district of the time designated and the manner of procedure, in order to carry out 

 the provisions of this act. He shall also specify what tools or implements will be 

 required by each resident in performing the labor required by him; and such no- 

 tice may be enforced the same as in the act authorizing road overseers to warn 

 out the residents to perform road labor; and a refusal shall subject such persons 

 refusing to the same penalties as are provided by law in such cases. 



SEC. 11. The road overseer shall direct the manner of performing the labor, 

 and have the supervision of the same, and shall keep a list of the names of those 

 who shall perform labor, and shall certify to the number of days' work performed 

 by each, and shall place such certified list in possession of the board of county 

 commissioners of his county. 



SEC. 12. It shall be lawful for two or more senatorial districts to cooperate 

 together under the provisions of this act, on a basis of action which they may 

 agree upon. 



BIBLIOGRAPHY. 



Melanoplus differential's. 



Caloptenus differentialis. UHLER!, MS. (1863). WALSH, RILEY, Amer., 

 Ent., I (1868), p. 16; ibid., I (1869), p. 187. THOMAS, Proc. Acad. Nat. Sc. 

 Philad., 1871 (1871), p. 149. GLOVER, 111. N. A. Ent., Orth. (1872), pi. vm, fig. 

 12. pi. ix, fig. 4, pi. xi, fig. 6. THOMAS, Rep. U. S. Geol. Surv. Terr., V (1873). 

 p. 166, pi., fig. 5; Key 111. Orth. (1874-75), p. 3. RILEY!, Ann. Rep. Ins. Mo., 

 VII (1875), pp. 124, 173, fig. &3; ibid., VIII (1876), pp. 153, 154. PUTNAM, Proc. 

 Dav. Acad. Sc., I (1876), p. 266. THOMAS, Bull. 111. Mus. Nat. Hist, I 

 ( 1876), p. 68. WHITMAN, Grasshopper (1876), p. 19, fig. BRUNER, Can. Ent, IX 

 (1877), p. 144. BESSEY, Bienn. Rep. Iowa Agric. Coll., VII (1877), p. 209. 

 THOMAS, Rep. Ent. 111., VI (1877), pp. 44-45. RILEY, Loc. Plague (1877), pp. 

 89, 194, 198-201, fig. 34; Amer. Nat., XII (1878), p. 284; Rep. U. S. Ent. Comm., 

 I (1878), pp. 220, 223, 225-226, 228, 298-299, 301, 327, 447, 459, figs. 32, 110, pi. iv, 

 fig. 1. THOMAS, ibid., I (1878), p. 42; Bull. U. S. Geol. Surv. Terr., IV (1878), 

 p. 500. RILEY, Bull. U. S. Ent. Comm. Ill (1880), p. 39; Amer. Ent., Ill (1880), 

 p. 220. THOMAS, Rep. Ent. 111., IX (1880), pp. 91, 96, 127-128, fig. 24; Rep. U. 

 S. Ent. Comm., II (1881), pp. 106-107. LINTNER, Ins. Clover (1881), p. 5. OS- 

 BORN, Amer. Nat., XVII ( 1883), pp. 1286-1287. BRUNER, Rep. U. S. Ent. Comm. , 

 III ( 1883), pp. 54, 60. FORBES, Rep. Ins. 111., XIV (1884), p. 23. RILEY, Stand. 

 Nat. Hist., II (1884), pp. 194-195, fig. 271. OSBORN, Bull. Iowa Agric. Coll. Dep. 

 Ent , II (1884), p. &3. BRUNER, Rep. U. S. Ent, 1884 (1885), p. 399. RILEY, 

 Amer. Nat, XX (1886), pp. 558-559. COOK, Beal's Grasses N. A., I (1887), p. 

 373. WEED, Bull. Ohio Agric. Exp. St., Techn. Ser., I (1889), pp. 40-41. LUG- 

 GER, Rep. Agric. Exp. St. Minn. (1889), p. 340, fig. 16. OSBORN, Ins. Life, IV 

 (1891), pp. 50, 51, 55; Rep. Ent. Soc. Ont, XXII (1891), pp. 70-73. OSBORN, 

 Goss, Bull. Iowa Exp. St., XIV (1891), p. 175; ibid., XV (1891), p. 267. RILEY, 

 Ins. Life, IV (1891), p. 145; Bull. Div. Ent U. S. Dep. Agric., XXV (1891), pp. 

 30-31, fig. 8. OSBORN, ibid., XXVII (1892), pp. 59-60. RILEY, Ins. Life, IV 

 (1892), pp. 323, 393, 401. 



