©Hitaiian OJntom0l0gist 



VOLIUIVIE XLII 



No. 11. 



CONTENTS. 



Dod — A new Autographa from the Alberta Rockies 349 



Walker — The Orthoptera of Western Canada (continued) o51 



McDermott — Ligfht emission of American Lampyrida; 557 



Forbes — Larva of Ptochoryctis tsugensis 364 



Barnes and McDunnougfh — A new Thecla from Texas 365 



Cockerell — Insects from Steamboat Spring's, Col., II 366 



Cockerell — A new Aleyrodes on Ambrosia 370 



Cockerell — Note on Plateros coccinicoUis 371 



Cosens — Lepidopterous galls on Solidago 371 



Herrick — Targionia celtis, n. sp 373 



Coolidge — Notes on the genus Thecla , 374 



Coquillett— Corrections to paper on type species of Diptera 375 



Book Notices — Blatchley's Coleoptera of Indiana ; Hewitt's House Fly. . 379-380 



EDITED BY 



DR. E. M. WALKER, 



BIOLOGICAL DEPARTMENT, 

 UNIVERSITY OF TORONTO, TORONTO. 



Editor Emeritus : REV. C. J. S. BETHUNE. 



NOVEMBER, 1910. 



LONDON : 



LONDON PRINTING AND LITHOGRAPHING COMPANY. 



1910. 



