CONTENTS 



Introductory 153 



Transmittal 1 53 



General entomologic features 153 



Elm-leaf beetle 154- 



San Jose scale 154 



Office publications 154 



Office work 155 



Collection of insects 155 



Division library 156 



J. A. Lintner 156 



Acknowledgments . 156 



Injurious insects c- 158 



Byhiriis unicolor, the pale brown 



Byturus 158 



Trypeta canadensis, the goose- 

 berry fruit fly 160 



Notolophus lettcostigma, the white- 

 marked tussock moth 163 



Clisioca?fipa americana, the ap- 

 ple-tree tent caterpillar 177 



Clisiocampa disstria, the forest tent 



caterpillar 191 



Mamestra picta, the zebra cater- 

 pillar 201 



Xylina antennaia Walker 207 



Lecanium tiilipiferae, the tulip-tree 



scale 213 



Lepisma domesiica, bristle-tail : fish 



moth 216 



Eurypehna hentzii, the molting of 



a tarantula 219 



Hints about insecticides 221 



How insects feed 22 1 



Operation of contact insecticides. . 222 



Useless remedies 223 



Preventives 223 



Need of experiment 223 



Arsenical compounds 224 



Internal and contact insecticides 



combined 226 



Contact insecticides 226 



Fumigation 228 



Some insects of the year in New York 



state 231 



List of publications of the entomolo- 

 gist '... 243 



Contributions to the collection in 1898, 255 



Explanation of plates 264 



Index 265 



a A general account and bibliography is given of each. 



