INDEX TO SUBJECTS 
All new genera, new species and new names are printed in capital type. 
A Description of Pocobletus coro- 
niger Simon (Araneae: Linyphi- 
idae). 54 
A New Bolivian Trachysphyrus of 
the Imperialis Group (Hymenop- 
tera, Ichneumonidae) . 362 
A New Flightless Dolichoctis (Cole- 
optera : Carabidae) from Sum- 
bawa. 387 
A New Fossil Scale Insect (Homop- 
tera: Coccoidea) from Canadian 
Amber. 270 
A New Genus of Microdontine Flies 
(Diptera: Syrphidae) with Notes 
on the Placement of the Subfamily. 
74 
A Reconsideration of the Oxyopes 
apollo Species Group with the 
Descriptions of Two New Species 
(Araneae: Oxyopidae). 426 
A Review of the Species of Scarites 
(Antilliscaris) (Coleoptera: Cara- 
bidae), with Notes on Their Mor- 
phology and Evolution. 1 
A Revision of the Neotropical Dace- 
tine Ant Genus A canthognathus 
(Hymenoptera : Formicidae). 87 
A Synopsis of the Cave Millipeds of 
the United States, with an Illus- 
trated Key to Genera. 126 
A Unique Predatory Association be- 
tween Carabid Beetles of the 
Genus Hcllumorphoid.es and Colo- 
nies of the Army Ant Neiva- 
myrrmcx nigrescens. 375 
A canthognathus, revision, 87 
A canthognathus rudis, 100, 110 
A canthognathus stipulosus, 104 
A canthognathus teledectus, 105 
Ants, 58, 87, 110, 375 
Apopappus gucrnei , 457 
Archaemegaptilus kiefferi, 478 
ARCHISPHEX CROWSONI, 254 
Army ant, 375 
Arphia conspersa , 280 
Austrochares, revision, 21 
Austrochares chilensis, 23 
AUSTROPRIA SERRATICEPS, 313 
Becquerelia, revision, 189 
Beetles, 26, 114, 306, 375 
Blaberus, 217 
Breyeria boulei, 467 
Breyeria lachlani, 467 
Canthochilum ciboney, 120 
Canthochilum darlingtoni, 117 
Canthonella pygmaea , 123 
Carabidae, described by Thomas 
Say, 326 
CARAPHLEBIA ANTARCTICA, 419 
Carbon Dioxide, a Releaser for 
Digging Behavior in Solenopsis 
geminata (Hymenoptera: Formi- 
cidae). 58 
Cave Harvestmen from Jamaica 
(Opiliones: Phalangodidae) . 390 
Cave Millipeds, 126 
COECOPRIA BELLA, 317 
COECOPRIA PLAUMANNI, 316 
COECOPRIA PYGMEA, 319 
Color Change and Life History ob- 
servations of the Spider Gea hep- 
tagon (Araneae: Araneidae) 367 
Commensalism Between Ranzovius 
moerens (Reuter) (Hemiptera: 
Miridae) and Hololena curta (Mc- 
Cook) (Araneida: Agelenidae). 
262 
Compsoneura , revision, 206 
Cretaceous Insects from Labrador. 
4. A New Family of Beetles (Cole- 
optera: Archostemata) . 306 
Cryptic Sleeping Posture of a 
Skipper Butterfly, Erynnis brizo. 
382 
Cynortina goodnighti, 398 
Cynortina pecki, 401 
Dolichoctis pedestris, 387 
Ecologic and Spatial Distribution of 
Pyrgus mleus and Pyrgus philetas 
(Lepidoptera : Hesperiidae) at 
Their Northern Distributional 
Limits. 41 
Eggcase Construction and Further 
Observations on the Sexual Be- 
havior of the Spider Sicarius 
(Araneae: Sicariidae). 29 
505 
