440 



INDEX TO VOLUME XLIX. 



Tomarus hirtellus, 140. 



Treherne, R. C, articles by, 257, 

 329. 



Tribalister striatellus, n. sp., 165. 



Tricosiphum, sensorv structures in, 

 380. 



Tricyphona autumnalis, n. sp., 30. 

 " cervina, n. sp., 62. 



" glacialis, n. sp., 63. 



" degenerata, n. sp., 209. 



Trimicra ungularis, 26. 



Trioza alacris in New Jersey, 73. 



Trirhabda canadensis, death-feigning 

 instinct of, 224. 



Tritona dissimilis, n. sp., 140. 



Trypodendron, Oregon species of, 356. 



Toxoptera, sensory structures in, 382. 



Tucker, E. S., article by, 280. 



Tychius picirostris, death-feigning in- 

 stinct of, 228. 



Typhlocyha modesta, n. sp., 184. 

 Van Duzee, M. C, article by, 337. 



Walker, E. M., articles by, 117, 171, 



255, 292, 362, 363, 409. 

 Wasps and bees, collecting, 113. 

 Wheat-stem saw-fiy, 78. 

 Weiss, H. B., articles by, 73, 104, 119, 



293, 365. 

 Whitehouse, ¥ . C, article by, 96. 

 Winn, A. P., articles by, 111, 219. 

 Wolf Spider, on the portrait of a, 39. 



Xylomoia chagnoni, n. sp., 320. 



Zagloba bicolor, 237. 

 Zagymnus clerinus, 272. 

 Zonantes schwarzi, 277. 



Mailed December 6th, 1917 



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