HENRY J. FRANKLIN. 



481 



PAGE 



nigrocinctus 434 



nigroscutatus 271, 272 



nivalis 290 



nux 225 



ocelli 212 



occidentalis . . 243, 244, 246, 249, 



250, 252, 256, 257, 259, 260, 



265. 

 occidentalis nigroscutatus 



242, 246, 249, 253, 254, 256, 



271. 



occiput 208 



oregonensis . .361, 377, 378, 381 



ornatus 314, 315, 334, 338 



pallidus 399, 401 



palpus plate 222 



palpi, sting 222 



parapsidal grooves 217 



pedicel 210 



penis 225 



pennsylvanicus . . 238, 249, 253, 

 257, 258, 259, 393, ^99 



pennsylvanica 399, 413 



pennsylvanicus . 389, 390, 407, 413 



perixanthus 265, 266 



perplexus 



238, 243, 252, 258, 259, 344 



perplexus 431 



phacelice 439 



pleuralis . .243, 244, 247, 248, 250, 

 253. 255, 259, 364 



pleural suture 218 



poison canal 222 



polaris . . 246, 248, 254, 255, 257, 

 259, 260, 298 



pollen baskets 231 



pollen mill 232, 233 



post-scutellum 217 



praticola . . . . 364, 365, 368, 438 



praticolus 365, 368, 372 



Pratorum group .... 199, 304 



pronotum 216 



propodeum 219 



prosternum 216 



protective mimicry 239 



TRANS. AM. ENT. SOC, XXXVIII. 



PAGE 



prothorax 215 



proximus 270 



proximus 265, 266 



prune lies . .356, 438, 439, 443, 445 



Psithyros 180 



Psithyrus 



180, 183, 185, 199, 235, 447 



pulcher 208 



pulvillus 230 



putnami 290, 291 



pyropygus 294 



quadricolor 475 



quadricolor confinis 476 



radial cell 226 



rajellus 364 



recurrent veins 227 



ridingsii 305 



robustus 208 



roots 222 



rufocinctus 



242, 243, 244, 245, 250, 438, 411 



rufosuffusus 319 



sagittae 225 



sandersoni 353 



scape 210 



schmiedeknechti 263 



scutellaris 421 



scutellum 217 



secondary sexual characters . 234 



sense organs 211 



separatus 



242, 247, 250, 253, 256, 425 



separatus .... 305 



sexual characters, secondary . 234 



shaft 222 



sheath 222 



sitkensis . . 242, 245, 250, 251, 254, 

 260, 377 



sitkensis 385 



sonomae 393 



sonorus 



248, 249, 252, 253, 258, 407 



spathae 223 



spiracle bearing plates .... 222 

 squama 224 



(61) 



