234 
Index 
[Dec. 
Odonatoptera, 128. 
Odynerus biienimaculatus, 226. 
Ogcodes alhicinclus, 47. 
Ogcodes albiventris, 47. 
Ogcodes borealis, 48. 
Ogcodes costatus, 47. 
Ogcodes maf ginatus, 47. 
Ogcodes pallidipenmis, 48. 
Ogcodes pallipes, 47. 
Ogcodes rufoabdominalis, 48. . 
Ogcodes varius, 48. 
Ogcodes vittatus, 50. 
Orchelimum vidgare, 224. 
Oregon sawtiies, 77. 
Orphuella speciosa, 225. 
Osmiinse, 164. 
Panama, insects of, 228. 
Paniirgidse, 165. 
Parthenogenesis in Octhiphila, 22. 
Paurometabola, 125. 
Pedogenesis in Calliphora, 26. 
Pedogenesis in Myastor, 96. 
Pentstemon, 165. 
Perga dorsalis, 11. 
Perga leicisi, 12. 
Periclista electa, 80. 
Periodical cicada, 203. 
Philippine animals, 227. 
Phora inclusa, 62. 
Phoridse, in Baltic amber, 59. 
Phoridse, myrmecophilous, 18. 
Phormia regina, 2. 
Phorticola boliviae, 28. 
Phymata erosa, 74. 
Pinguicola, 165. 
Plants affected by Tibicen, 206. 
Pollenia rudis, 2, 5. 
Pollination of flowers, 158. 
Polyleges, 168. 
Polymorphism in Miastor, 97. 
Potamanthus, 172. 
Prey of Proctacanthus, 42. 
Probolomyrmex boliviensis, 16. 
Proceedings of the Cambridge Entomo- 
logical Club, 36, 93, 227. 
Proctacanthus brevipennis, 41. 
Proctacanthus philadelphicus, 44. 
Proctacanthus rufus, 41. 
Prodinapsis, 31. 
Prodinapsis succinalis, 31. 
Prosbole, 131. 
Prosopididae, 167. 
Prosopis, 166. 
Protechma, 172. 
Protereisma, 172. 
Protereismidse, 127. 
Protodonata, 131. 
Protohemiptera, 131. 
Psammocharidae, 43. 
Pseudopodia of insects, 228. 
PsiLOPUS LONGITALUS, 72. 
Psithyrus, 161, 198, 200. 
Pulici phora venata, 22. 
Rhynchota, 126. 
Robber-flies, feeding habits of, 4E 
Salix, 166. 
Sawflies, new species, 77. 
Sawfly larvae, 9. 
Scytinoptera, 131. 
Short-tongued bees, 168. 
Sinea diadema, 74. 
Siphlonurus, 170. 
SiPHLURITES, 170. 
SiPHLURITES EXPLANATUS, 171. 
Somatochlora, 221. 
Sphecodini, 166. 
Spilopteridae, 126. 
Stelidini, 164. 
Stenodictya, 128. 
Subulicornia, 126. 
Tachytes distinctus, nesting habits, 22 E 
Taxonus inclinatus, 78. 
Tibicen septendecim, 203. 
Thamnotettix, 155. 
