Bulletin 170. May, 1899. 



Cornell University Agricultural Experiment Station, 



ITHACA, N. Y. 



ENTOMOLOQICAL DIVISION. 



EMERGENCY REPORT 



ON 



TENT CATERPILLARS. 



\ 



By n. V. SLINQERLAND 



PUBI^ISHED BY the: UNIVERSITY. 



ITHACA, N. Y. 



1899. 



