57 



Chinch-bug — Continued. 



False, xxi, 94, 95-96: xxiii, 12, 117- 

 118. 233. 

 as strawberry insect, xiii, 62, 104- 



106. 

 calendar of, xiii, 179. 

 description of, xiii, 105. 

 food plants of. xiii, 104 ; xxi, 96. 

 injuries bv and life history of, xxi, 



95, 96. 

 measures against, xiii, 106; xxi, 96. 

 field experiments with white muscar- 

 dine fungus (Sporotrichum 

 globuliferum) on. xx, 92-97. 

 with, proposed, xv, 103. 

 temperatures in hot weather as re- 

 lated to. xx, 86. 

 trials with gasoline blast-lamp for, 

 xxiv, 44, 52-56. 57-58. 

 food experiment on, xvi, 50. 

 plants of, food preferences, and in- 

 juries to crops by, xv, 94; xxiii, 

 59-60. 

 fungous diseases of, xvi, .45, 46, 48, 

 49, 56; xvii, 74. 

 culture and infection experi- 

 ments with, xvii, 81-84. 

 in 1889 and 1890, xviii, VII. 

 in 1890 and 1891, xviii, VII-X. 

 in 1891, injuries by, xviii, VIII-IX. 

 field notes and correspondence 



concerning, xviii, VII-IX. 

 regions affected bv, xviii, VII- 

 VIII. 

 in Illinois, present conditions and 



prospects of, xv, 89-103. 

 infection experiments with, xix, 82- 



83. 

 influence of severe drouth on, xvi, 5, 



11. 

 injury, Misc. Ess., 23; xv, 1, 89. 

 collection of data concerning, xvi, 



8. 

 comparison of crops for 1886 and 



1887 with reference to, xvi, 21. 

 cost of protecting Corn against, 



xxiv. 35, 36. 39. 43, 55, 56, 57. 

 experiments at Carbondale, 111., for 

 protection of Corn against, 

 xxiv, 33-36. 

 at Dubois and Odin, 111., for 



same, xxiv, 39^10. 

 at Fairman, 111., for same, xxiv, 



36-39. 

 with fertilizers to support crop 

 against, xvi. 35-37, 55. 

 field experiments for protection of 



Corn against, xxiv, 30-58. 

 general summary on above experi- 

 ments, xxiv, 56-58. 



Chinch-bug injury — Continued. 



in 1894, and results of experiments 

 with Sporotrichum globuliferum, 

 xix, 88-96. 

 relations of the area of Wheat and 



other crops to, xvi, 7-35. 

 to all crops combined, compared 

 with average acreage of each, 

 xvi, 22-35. 

 to Corn as compared with acreage 

 in Wheat and other grains, xvi, 

 11-16. 

 to grass as compared with acres 

 in Wheat and other crops, xvi, 

 16-18. 

 to small grain as compared with 

 the area in Wheat and other 

 crops, xvi, 19-21. 

 to small grain. Corn, and grass in 

 1887, as reported by townships, 

 xvi, 3-4. 

 inoculation of dead, with Sporotri- 

 chum, xx, 97. 

 Kansas barrier method against, xx, 



42-44. 

 kerosene emulsion and mixtures for, 

 xxiv, 32-36, 40-42, 53, 55. 

 or crude petroleum, use for, in 

 dealing with, xxiv. 56. 

 life history of, xiv, 4; xv, 93; xxiii, 



60-62. 

 local campaign against, xx, 40-44. 

 methods of direct destruction of, xv, 



101. 

 midsummer measures against, xx, 35- 



44. 

 miscellaneous experiments on, xx. 79- 

 102. 

 notes and observations on, xvi, 50- 

 53. 

 muscardine fungus, outline of ex- 

 periments with, in 1891, xix, 36-38. 

 See Sporotrichum globuliferum for 

 further note of experiments. 

 Negro-bug associated with, xvi, 51, 57. 

 notes from correspondents concern- 

 ing, xv. 90-93. 

 on contagious disease in the, xix, 16- 



176. See under Disease, 

 oviposition of, in midsummer, xvi, 51. 

 parasites of, xiii, 9. See under 



Chinch-bug, diseases of. 

 practical disappearance of outbreak 



of, xvii, IX. 

 precaution in burning out, in spring. 



xvi. 53. 

 precise laboratory experiments with 

 muscardine fungus on, xx, 99-102. 

 preparation and cost of coal-tar line 

 as barrier against, xxiv, 37-39, 57. 



