Oonops PERSITUS, 496 
Oonops reticulatus , 489 
Oonops sativus, 505 
Oonops sicorius, 506 
Oonops tenebus, 509 
Oonops tectulus, 492 
Oonops TRAPELLUS, 501 
Oonops vestus, 510 
Oonops ZETEKI, 494 
Palaeodictyoptera, 1, 402 
Parasite of Stelopolybia testacea, 54 
Platynella, 209, 211 
Poeciloderrhis , 104 
Pogonomyrmex , 385 
PRONYMPHES, 159 
Propsychopsis hageni , 173 
Propsychopsis helmi, 171 
Propsychopsis lapicidae, 171 
Protomaphaginus apodemus, 242 
Protomaphaginus darlingtoni , 241 
Protomaphaginus puertoricensis, 239 
PSEUDOBIELLA FASCIATA, 407 
Pseudochartergus fuscatus, 56 
Psychopsidae, 147 
Recruitment Trails in the Harvester 
Ant, Pogonomyrmex badius , 385 
Revisional Study of the Order Pal- 
aeodictyoptera in the Upper Car- 
boniferous Shales of Commentry, 
France. Part III, 1 
Sandiella readi, 405 
Scarabaeidae, 50 
Sceliphron caementarium, 243 
Sericophorus , 413 
Secondary Symmetry of Asymmetric 
Genitalia in Males of Erynnis 
juneralis and E. propertius , 430 
Sibling Species in the Eurydice 
Group of Lethe , 70 
Spider Wasps, 303 
Steatoda fulva, a Spider That Feeds 
on Harvester Ants, 202 
Stelopolybia testacea , 60 
Stenodictya agnita, 14 
Stenodictya arnaudi , 24 
Stenodictya fritschi , 28 
Stenodictya grandissima, 22 
Stenodictya klebsi, 26 
Stenodictya laurentiauxi, 14 
Stenodictya lobata , 10 
Stenodictya ousteleti, 24 
Stenodictya parisiana, 26 
Stenodictya perrieri, 18 
Stenolictya pygmaea , 20 
Stenodictya spinosa , 12 
Stenodictya thevenini , 18 
Stridulation in Acanthophrynus coro- 
natus (Butler), 181 
Defensive Behavior of Honey Bees 
Towards Ants, 184 
Studies on the Mexican Subgenus 
Platynella Casey, 209 
Syrphidae, 45 
The Catopinae of Puerto Rico, 237 
The Genus Oonops in Panama and 
the West Indies, 487 
The Larva of Apomyrma, 276 
The Male Genitalia of Blattaria. 
II. Poeciloderrhis spp., 104 
The Male Genitalia of Blattaria. 
III. Blaberidae: Zetoborinae, 217 
The Male Genitalia of Blattaria. 
IV. Blaberidae: Blaberinae, 308 
The Male Genitalia of Blattaria. 
V. Epilampra spp., 436 
The Natural History of the Fungus 
Gnats Leptomorphus bifasciatus 
(Say) and L. subcaeruleus (Co- 
quillett), 361 
The Neuroptera of the Baltic 
Amber. I. Ascalaphidae, Nymph- 
idae, and Psychopsidae, 147 
The Nymph of Williamsonia lintneri 
(Hagen), 252 
The Predatory Behavior of Two 
Wasps, Agenoideus humilis and 
Sceliphron caementarium , on the 
Orb Weaving Spider, Araneus 
cornutus, 243 
The Ravilla Group of the Orb- 
weaver Genus Eriophora in 
North America, 280 
The Tetragonoderus Group of 
Chlaenius in the Indo-Australian 
Archipelago, 343 
Thyce harfordi, 50 
Wasps, 120, 243, 303, 413 
Williamsonia lintneri, 252 
5 i8 
