40 



NEW YORK STATE MUSEUM 



Gossyparia ulmi, 16^. 

 Gould force pump, 23^, 242, 

 grandis, Caniptobrochis, 213. 



Harris T. W., cited, 29^. 



Hamilton, J., cited, 32^. 



Hatch experiment station, Mass. agri- 

 cultural college, Bulletin cited. 

 344. 



Henshaw, S., cited, Sl^. 



Honey dew secreted by Gossyparia, 

 168. 



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



Hose for spraying, 229, 23^. 



Howard, L. O., cited, 72, 335; on elms 

 attacked, 163. 



Hudson, beetle at, in i8go, V-. 



Hudson river, injury to elms along, 

 52, 61. 

 progress of beetle up, 6^. 



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



Inclosing base of trees, 26^. 



Insect life cited, 304, 326^ 333. 



Insects injurious 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 injurious in, 9'^. 



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



Kerosene emulsion, method of prepa- 

 ration, 284. 



spraying with, 9'^. 

 Kerosene or kerosene emulsion, 264. 

 Kingsley's standard natural history 



cited, 318. 

 Kirkland, A. H., on cost of spraying 



trees, 224. 



Lace-wing flies, 213. 

 Lausingburg, injury to elms in, 158. 

 Larva, elm-leaf beetle, described, 

 89-94. 



Larvae abundant in October, 12'^. 



descent of first brood, 123; second 



brood, 126. 

 developing on old leaves, 128. 

 dropping from overhanging limbs, 



153. 

 places of pupation, 152. 

 pupation on rough bark, 148-15^. 

 Leaf skeletonized by larvae, 114. 

 Leaves, their destruction weakens the 



tree, 62. 

 LeConte, 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 seripta, 5"^. 

 Linnaeus, C, cited, 294. 

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

 List Coleoptera North America cited, 



318. 

 Lock wood, S., cited, 30'^. 

 London purple for beetle, 25^. 

 Long Island in upper austral life zone, 



V. 

 Lunate long sting, 19"^. 

 lunator, Thalessa, 19'^. 

 luteola, Galerucella, 5^. See elm-leaf 

 beetle. 



Male and cocoons of Gossyparia, 



181. 

 Manner of spraying, 24'7-259. 

 Mantis Carcdina, 214. 

 Mantissa insectorum cited, 29^. 

 margiuatus, Chauliognathns, 209. 

 Marlatt, C. L., cited, 33"7. 

 Massachusetts agricultural college, 



Rep't cited, 3.35. 

 Maynard, W., cited, 34^. 

 Mechanicville, beetle at, in i8gb, 72. 

 Melanges de philosophie et de math- 



ematique cited, 293. 

 Metal extension to hose, 245. 



