800 



INDEX. 



PAGE 



( )rtliotnitn leoniiimn 96, 102 



Ransoiiiieti 96, 102 



trinarria 96, 101 



I'amxrgine and other Bees 185 



J'anurijinns alhitarsis 196 



asteris. 196. 197 



atriceps 198 



bakeri 196 



bidentis. 197 



boylei. 197 



californiciis 196 



clypeatus 196 



compositarum 197 



innuptns. 196 



labrosns 197 



niexicaniis 198 



oniatipes 197 



parvus 196 



pauper 196 



reniniaculatus 196 



rudbeckitc 197 



rugosus 196 



townsendi 196 



Parandrena concinnal-d Cockerell. . 189 



enocki Cockll 189 



eumarpha Cockll 187 



nevadensis 187 



Perlida?. 199 



Photopsis 221, 250, 259 



Podapiou 178 



Pristosilo Banks 211 



canadensis Banks 212 



Psen, species of 1 



arfjentifrons 3, 4, 12 



basirnfns 3, 4, 17 



borealis .3, 4, 13 



chalcifrons 3, 13 



cingulatus 4, 14 



clypeatus Fox 3, 15 



PAGE 



Psen Cressouii 3, 4, 12, 



cyliudricus Fox 2, 3, 5 



frontalis Fox 1, 4 



fuscipes 2, 10 



granulosus Fox 4, 15 



gregarius B'ox 4, 16 



Koblii Fox 2, 4, 9 



leucopus 2, 3, 7 



longicornis Fox 3, 8 



maculipes 4, 17 



niellipes 3, 8 



mixtus Fox 2, 4, 7 



raonticola 2, 4, 11 



niger 2, 3, 6 



pauper .3, 4, 14 



proxijuus 3. 4, 16 



punctatus Fox 2, 9 



regularis Fox 2, 6 



simplicicornis Foz 2, 4, 10 



suffusus Fox 3, 18 



tibialis 3, 4, 18 



trisulcus Fox 2, 5 



unicinctus 3, 4, 15 



Pseudomethoca 221 



Psilotreta Banks 213 



frontalis Banks 213 



Psychomyia pulchella Banks 217 



Setodes 213 



americana Banks 215 



Silo cinereus Banks 210 



SphBcrophthalnia 221 



Spbecodes knetschi Cockerell 186 



semicoloratus 186 



Stenophylax brevipennis Banks. ■ . 209 



Tele.phoromyia. 275, 288 



anthracina 289 



Triipnodes 213 



grisea Banks 214 



Thvnninse 220, 274 



ERRATA. 



Page 172, line 27, for wider than long read longer than wide. 



" 174. line 23, for deplexed read deflexed. 

 See page 184. 



