1922] 



Index 



239 



Nesonyx, 9. 



New England Coleoptera, 4. 

 New Zealand Hymcnoptera, 21 G. 

 Notes on Neottiglossa trilineata, 



86. 

 North American Pedinomma, 0". 

 Nyctunguis, 9. 



Odontaulacus bilobatus, 95. 

 Odontaulacws rufitarsis, 96. 

 Odontomerus canadensis, 97. 

 Odynerus tigris, parasite of, 99. 

 Olfersia, notes on, 84. 

 Olfersia albipennis, notes on, 82. 

 Olfersia americana, notes on, 83. 

 Oleisoprister abbotii, 95. 

 Oliogocene Ants, 176. 

 Olixon, 103. 



Ornithoica confluenfa, notes on, 80. 

 Ornithomysia anchineuria, notes on, 



81. 

 Orthopelma luteolata, 96. 



Pachypeza, 45. 



Palinzele, 15. 



Palinzele oceanica, 15. 



PammegiscJiia burquei, 96. 



Paniscus, 19. 



Paniscus fijiensis, 19. 



Paniscus productus, 20. 



Paniscus contrarius, 20. 



Paniscus opaculiis (testaceus var.), 



20. 

 PanorpidjE, feeding habits of, 212. 

 Panorpa maculosa, feeding habits 



of, 212. 

 Panorpa rufesceus, feeding habits 



of, 212. 

 Panstronglus guentheri, 111. 

 Panurgidae of Illinois, 159. 

 Panurgidae visiting flowers, 172. 

 Parabetyla, 224. 

 Pahabetyla spinosa, 224. 

 p^vbagryox castaneus, 220. 

 Paragryon gracicilipennis, 221. 

 Parasitic Hymenoptera, 10. 

 Parasitic Hymenoptera, 216. 

 Pedinomma, 6. 

 Pedinomma angustipenne, G. 

 Pedixomma nearcticum, 7. 

 Pedixomsia rufescens, 6. 

 Pedogenesis in the blow-fly, 127. 

 Pedogenesis in various insects, 130. 

 Perdita, 161. 



Perdita octornuculata, 169. 

 Perditella, 161, 162. 



Perditella boltonice, 169. 

 Perithous pleuralis, 97. 

 Pezomachus (See Gelis). 



PeZOMACIIUS I'IIILPOTTI, 218. 



Phenology of Panurgidae, 166. 



Philoenus, 1. 



Philwnus leucophthalmus , 1. 



Philoenus lineatus, 1. 



Philoenus bilincata, 1. 



Phlceotrya quadrimaculafa, parasite 



of, 97. 

 Platycnema imperfecta, 46. 

 Platypezidae, new genus of, 45. 

 Platycelio, 21. 

 Platyscelio abnormis, 22. 

 Plalyscelio mirabilis, 22. 

 Platyscelio pulchricornis, 21. 

 Platyscelio punctaltis, 22. 

 Platyscelio wilcoxi, 22. 

 Platycnema, 45. 

 Probetyla, 222. 

 Probetyla subapterAj 223. 

 Pseudobracon, 15. 

 Pseudococcus bromelice, 133. 

 Pseudoccus rotundus, 135. 

 Pseudolfersia fumipennis, notes on, 



84. 

 Pseudolfersia spinifer, notes on, 85. 

 Pseudofoenus, 12. 

 Pseudopanurgus, 163, 164. 

 Pseudopanurgus albitaris, 169. 

 Pseudopanurgus asteris, 170. 

 Pseudopanurgus compositarum, 170. 

 Pseudopanurgus labrosiformis, 170. 

 Pseudopamirgus labrosus, 171. 

 Pseudopanurgus rudbeckicB, 171. 

 Pseudopanurgus rugosus, 171. 

 Pseiidopanurgus solidaginis, 171. 

 Psithyrus, habits of, 180. 

 Puffball bettle, 92. 



Rhopalosoma, 107. 

 RhyseUa humida, 98. 

 Rhyssa Uneolata, 98. 



RiPERSIA PETIOLICOI^V 140. 



Ripersia subcorticis, 141. 



Scambus tecum seh, 97. 



Scaptocoris castaneus, 124. 



Scelionidap, 21, 219. 



Schendyloid chilopod, 9. 



Scorpion-flies, feeding habits of, 

 212. 



Seal of the Cambridge Entomo- 

 logical Club, 45. 



Serphoidea, 10. 



