Formalin, effect of, on germination of seed- 
corn tested, 9, 13. 
special tests on reaction of Corn-Field Ant 
to, 22, 23. 
Formica schaufussi inhabiting nests of Corn- 
Field Ant, 34. 
Fruitolin, effect of, on germination of seed- 
corn tested, 11. 
funebris, Brucopliagus, 50, 53. 
Eurytoma, 50. 
Fungous disease fii Clover Leaf-weevil, 90-91, 
92. 
account of general course of, and 
citations to technical details con- 
cerning, given, 91. 
prevalence of, 91. 
fuscipennis, Baccha, 73. 
Ocyptamus, 73, 76. 
G 
Carman, H., 28. 
Geoica squamosa, 39. 
Gilbert, J. P., 72. 
Gillette, C. P., 62. 
Girault, A. A., 77, 110. 
glacialis, Hippodamia, 73. 
Glasgow, R. D., 88, 117. 
Glypta leucozonata as parasite of Clover Seed- 
caterpillar, 65. 
Goldenrod flowers as food of adult Clover 
Leaf-weevil, 83. 
Gossard, H. A., 62, 64, 65. 
gracilis, Urtica, 107. 
Grape, moth of Clover Hay-worm reared from 
dead leaves of, 42, 96. 
Grapholitha interstinctana, 61, 65. 
Grass Root-louse on roots of Corn and weeds, 
attended by Corn-Field Ant, 38. 
Grasshoppers, dead, as food of Corn-Field Ant, 
37. 
injurious to Clover, 42. 
Green Dolphin. See Pea- or Clover- louse. 
Gryllidae, 73. 
H 
Hart, C. A., 79. 
and Weed, C. M., 75. 
Hay-worm, Clover. See Clover Hay-worm. 
Hippodamia convergens, H. glacialis, H. pa- 
renthesis, and H. 13-punctata as enemies of 
Pea- or Clover- louse, 73. 
hispidulus, Sitones, 116. 
Honey-bees in the clover field, 42, 43, 44. 
Hood, J. D., 79. 
Hopkins, A. D., 53. 
Howard, L. O., 41. 
Hydrocyanic acid gas for infested stored hay, 
99. 
Hylastes obscurus and H. trifolii, 92. 
Hylastinus obscurus, 92-96, See Clover Root- 
borer. 
Ilylesinus trifolii, 92. 
Hypsopygia costalis, 96-99. See Clover Hay- 
worm. 
Ichneumonid parasite of Clover Stem-borer, 
111. 
I parasites of Chrysopa cocoons, 78. 
j of Clover Seed-caterpillar, 65. 
Ichiieumon parasites of Phytonomus larvx. 90. 
I Icliueumonidse, 73. 
I Iclmcumons as hosts of Empusa splixrosper- 
1 ma, 91. 
! Lisect pests of Clover and Alfalfa, 41-12-;. 
See Clover and Alfalfa, 
insidiosus, Triphleps, 51, 73, 79. 
interjectus, Lasius, 122. 
interstinctana, Enarmonia, 61. 
Grapholitha, 61. 
Iron sulphate, effect of. on germinatior. of 
seed-corn tested, 11. 
Isocratus vulgaris, 73. 
as parasite of Bassus l.Ttotorius. 76. 80. 
Janet, Charles, 28. 
Jassids injurious to Clover. 42. 
Johnson, W. G., 66, 72, 75, 76, 79, 81. 
K 
Kainit, 95. 
effect of, on germination of seed-corn tested, 
10. 
Kaltenbach, J. H., 68. 
Kelly, E. O. G., 2, 14, 19. 21, 22, 30. 31, 34, 
35, 38, 41, 69, 72, 78, 110, 123. 
Kerosene, effect of, on germination of seed- 
corn tested, 2, 4, 6, 7, 12. 
emulsion, effect of, on same tested, 4, 6. 
to control Pea- or Clover- louse in gardens, 
81. 
special test on reaction of Corn-Field .\nt 
to, 22, 23. 
Kilman, .\. H., 83. 
Kirby, Wm., and Spencc, Wm., 68. 
Knab, F., 41. 
L 
Lace-wing flies, or lacewinps. 77-78. 
laciniata, Rudbeckia, 107. 
Lactuca canadensis and L. floridana as food 
plants of Clover Stem-borer, 107. 
Ladybirds and their larva- as enemies of Pea-. 
or Clover- louse, 73-75. 
hetotoriiis, Bassus, 7Z, 76. 80. 
Lampyridse, 73. 
Languria, 106. 
mozardi, 106-112. See Clover Stem-borer. 
Lasius flavus attendant on Clover-root Mealy 
Bug, 122. 
in'erjectus attendant on same. 122. 
niger americnnus, 1. (See Errata.) 
