31 



Cooperation among experiment-station workers, II, 10. 

 Copidosoma truncatella, parasite of Protleuia ornithogalli, XXVII, 71. 

 Corcyra cephalonica, in dried fruits, VIII, 10. 

 Coriscus ferns, attacking Leptoterna dolobrata, IX, 41. 



snbeoleoptratns, habits of, XXII, 26. 

 Corthylus columbianus, habits of, VII, 17. 



punctatissinius, habits of, VII, 16. 

 Coruco=Acanthia inodora. 

 Corydalis cormita, common names of, VII, 82. 

 Corymbites tarsalis, injuring apples in Canada, XXVI, 94. 

 Corythuca arcuata, injuring quince, XVIII, 101. 

 Cosmopepla earnifex, attacking mustard, XVIII, 100. 

 Cotton-field insects, XVIII, 85. 

 Cowpea, weevils in, VIII, 24. 

 Crambus caliginosellus, an enemy of tobacco, XX, 99; XXVI, 83. 



damage by, in Maryland, XVII, 93; XX, 62. 

 injuring young corn, IX, 84. 

 sp., abundant in northern Ohio, II, 85. 

 Crayfish, carbon bisulphide for, II, 98. 

 Crepidodera rufipes, injuring peach in Maryland, XXVI, 84. 



note on, XXX, 84. 

 Cricket, song of, IV, 54. 

 Crickets, damage by house, IV, 55. 

 Crioceris asparagi, found in West Virginia, XVII, 45. 

 hibernation of, VI, 62. 

 in Maryland, VI, 65; XX, 67; XXVI, 

 Michigan, XVIII, 94. 

 New York, VI, 59; XX, 62. 

 1900, XXX, 69. 

 spread of, in Ohio, VI, 67; XX, 71. 

 westward spread of, IX, 41. 

 12-punctata, in ^Maryland, A^I, 65; XXVI, 81. 

 near New York City, XXII, 107. 

 spread of, in New Jersey, VI, 62. 

 New York, XX, 61. 

 1900, XXX, 69. 

 CryptolcTmus montrouzieri, used against Pulvinaria psidii in Hawaii, VI, 49. 

 Cryptomeigenia theutis, parasite of white grub, XIX, 79. 

 Cryptorhynchus bisignatus, on chestnut, VII, 71. 



obtentus, on chestnut, VII, 71. 

 Crystal potash lye, experiments with, against San Jose scale. III, 70. 

 Ctenochiton perforatus, notes on, VII, 81. 

 Culex, distribution of species in the United States, XXV, 30. 

 impiger, note on, XXV, 29. 



pungens, life history of, IV, 10; V, 26; XXV, 22. 

 sollicitans, notes on, XXV, 28. 

 tfeniatus, note on, XXV, 29. 

 Culicidpe of the United States, XXV. 



See Mosquitoes. 

 Cuterebra buccata, notice of, V, 110. 



cuniculi, infesting rabbits, V, 109. 

 emasculator, infesting squirrels, V, 105. 

 fontinella, notice of, V, 110. 

 horripilum=cuniculi. 



