40 



NEW TOEK STATE MUSEUM 



Gossyparia ulmi, 16». 

 Gould force pump, 239, 242, 

 grandis, Camptobrochis, 213. 



Harris T. W., cited, 29^. 



Hamilton, J., cited, 32^. 



Hatch experiment station, Mass. agri- 

 cultural college. Bulletin cited, 

 34*. 



Henshaw, S., cited, 31^. 



Honey dew secreted by Gossyparia, 

 168. 



Hopkins, A. D., cited, 6^. 



Hose for spraying, 229, 23^. 



Howard, L. O., cited, 72, 33^ ; on elms 

 attacked, 16^. 



Hudson, beetle at, in i8go, 1^. 



Hudson river, injury to elms along, 

 52, 61. 

 progress of beetle up, 69. 



Hulst, G. D., cited, 32i. 



Inclosing base of trees, 26^. 



Insect life cited, 30*, 32^, 333. 



Insects iujurious to forest-shade trees 

 cited, 308. 



Insects injurious to vegetation, 29'^. 



Insects transporting Gossyparia, 18^. 



Introduction of beetle in this coun- 

 try, 67. 



Introduction to modern classification 

 insects cited, 29^. 



Italy, beetle iujurious in, 9''. 



Johnson, W. G., cited, 34*. 



Kerosene emulsion, method of prepa- 

 ration, 28*. 



spraying with, 9'?. 

 Kerosene or kerosene emulsion, 26*. 

 Kingsley's standard natural history 



cited, 318. 

 Kirkland, A. H., on cost of spraying 



trees, 22*. 



Lace-wing flies, 21^. 

 Lansingburg, injury to elms in, 158. 

 Larva, elm-leaf beetle, described, 

 89-9*. 



Larvae abundant in Oatober, 127. 



descent of first brood, 123j second 



brood, 126. 

 developing on old leaves, 128. 

 dropping from overhanging limbs, 



153. 

 places of pupation, I52. 

 pupation on rough bark, 148-155. 

 Leaf skeletonized by larvae, 11*. 

 Leaves, their destruction weakens the 



tree, 62. 

 Le Conte, J. L., cited, 299. 

 Lewis, P. C, on cost of spraying, 22^. 



labor saving devices of, 243. 

 Life-history, elm-leaf beetle, 9^-129. 

 See elm-leaf beetle 

 Gossyparia, 17^. 

 Life zone, upper austral, area in New 

 York state included within, 7^. 

 beetle limited thereby, 78. 

 Lin a scripta, 5^. 

 Linnaeus, C, cited, 29*. 

 Lintner, J. A., cited, 309-316. 

 List Coleoptera North America cited, 



318. 

 Lockwood, S., cited, 30^. 

 London purple for beetle, 25^. 

 Long Island in upper austral life zone, 



V. 

 Lunate long sting, 19^. 

 lunator, Thalessa, 197. 

 luteola, Galerucella, 5^. See elm-leaf 

 beetle. 



Male and cocoons of Gossyparia, 



181. 

 Manner of spraying, 247-259. 

 Mantis Carolina, 21*. 

 Mantissa insectorum cited, 29^. 

 margiuatus, Chauliognathus, 209. 

 Marlatt, C. L., cited, 337. 

 Massachusetts agricultural college, 



Eep't cited, 335. 

 Maynard, W., cited, 34^. 

 Mechanicville, beetle at, in i8g6, 72. 

 Melanges de philosophie et de math- 



ematique cited, 29^. 

 Metal extension to hose, 24^. 



