29 



Chrysops vittatus, V, 69. 



Cicada septendecim, account of, XIV. 



as an article of food, XIV, 72. 



bibliography of, XIV, 119. 



Brood XV in West Virginia, XVII, 48. 



XIX in New York, XX, 62. 

 distribution of, XIV, 23. 



Dr. Gideon B. Smith's chronology of, XIV, 142. 

 huts of, XIV, 63. 

 in Ohio in 1897, IX, 40. 

 life history of, XIV, 61. 

 natural enemies of, XIV, 95. 

 nomenclature of broods of, XVIII, 52. 

 races, broods, and varieties of, XIV, 12. 

 remedies for, XIV, 107. 

 song of, XIV, 57. 

 sting of, XIV, 59. 

 structure of, XIV, 50. 

 value of old records, XVIII, 59. 

 tredecim, relation to Cicada septendecim, XIV, 12. 

 Cimex lectularius = Acanthia. 

 Cladium pectinicornis, on rose, XXVII, 100. 

 Clausicella tarsalis, parasite of Pyralis farinalis, VIII, 42. 

 Cleigastra armillata, work of, in Norway, IX, 79. 

 Clisiocampa americana, abundance of, in New Hampshire, XVII, 76. 

 birds that feed on larvse of, XX, 89. 

 common in Maryland, XXVI, 80. 

 injurious in New York, XVII, 20. 

 not abundant in New York, VI, 54. 

 parasites of, XVII, 77. 

 disstria, damage by, in New Hampshire, XVII, 77. 

 injurious in New York, XVII, 20; XX, 60. 

 in sugar-maple groves, XVII, 78. 

 Clothes moths, a new remedy for, XXII, 106. 

 species of, IV, 64. 

 remedies for, IV, 68. 

 Coccidse, distribution of, II, 91. 



of Georgia, list of, XXVI, 49. 

 Massachusetts, XVII, 61. 

 Porto Rico, XXII, 92. 

 on American fruit imported into Germany, XXII, 79. 

 regarding Australian and New Zealand species, VII, 81. 

 temperature control of, XX, 73, 82. 

 their enemies in California, VI, 46. 

 Coccinella 9-notata, feeding on Nectarophora destructor, XX, 97; XXVI, 71. 



sanguinea, feeding on Nectarophora destructor, XXVI, 71. 

 Coc'cinellida?, value of, against scale insects, VI, 48. 

 Coccophagus cognatus, hosts of, VII, 63. 



flavoscutellum, parasite of Pulvinaria innumerabilis, XXII, 15. 



on plum scale, II, 89. 

 rletcheri, hosts of, VII, 63. 



fraternus, parasite of Pulvinaria acericola, XXII, 23. 

 gossyparire, parasite of Gossyparia ulmi, XVII, 63. 

 lecanii, parasite of Pulvinaria innumerabilis, XXII, 13. 



