Oecophylla longinoda, 348 
Oonops, 104 
Paraponera, biology, 335 
Pepinensis group, 58 
Pisaurina, 295 
Polistes carnifex, 150 
Priotomis golbachi, 232 
Prothorax of Coleoptera, 123 
Querbetia inopinatus, 213 
Review of Nesting Behavior in the 
Genus Entomognathus, with Notes 
on E. memorialis Banks, 61 
Rhythms of Paraponera, 335 
Sawflies, Tertiary, 315 
Some Remarks on the Family Jasco- 
pidae, 121 
Sosippus floridanus, 27 
Southern Californian Boreus, 269 
Spider Genus Trachelas, 215 
Sylvohymen sibiricus, 251 
Tertiary Sawflies from Colorado, 
315 
Trachelas bravidus, 216 
Trachelas cadulus, 218 
Trachelas domandus, 220 
Trachelus ecudobus, 222 
Trachelus mulcetus, 227 
Trail following in Eciton, 357 
Ululodes , 1 
382 
