Pentatomidae, 144 
Philodromus bilineatus, 41 
Philodromus ftoridensis, 40 
Philodromus imbecillus , 37 
Philodromus rnarxi, 37 
Philodromus montanus , 38 
Philodromus peninsulanus , 35 
Philodromus placidus , 34 
Pogonomyrmex badius, 105 
Poison glands, 69 
Pseudomyrmex pallidus, 69 
Ptomaphagus cavernicola, 54 
Ptomaphagus fecundus, 57 
Ptomaphagus hatchi, 54 
Ptomaphagus henroti, 56 
Ptomaphagus hirtus, 53 
Ptomaphagus hubrichti, 56 
Ptomaphagus laticornis, 55 
Ptomaphagus loedingi, 57 
Ptomaphagus nicholasi, 53 
Ptomaphagus shapardi, 53 
Ptomaphagus valentinei, 56 
Ptomaphagus whiteselli, 55 
QUERBETIA BEQUAERTI, 193 
Scarabaeidae, 75 
schedoneura amii, 62 
SCOLEBYTHIDAE, 7 
SCOLEBYTHUS MADECASSUS, 9 
Solenostethium bilunatum, 147 
Spermatic transmission, 
Spiders, 34, 129, 170, 180, 197, 223 
Spintharus flavidus, 225 
Spintharus gracilis, 227 
Studies on Carboniferous insects from 
Commentry, France: Part IV. The 
genus Triplosoba, 120 
Studies on Carboniferous insects from 
Commentry, France: Part V. The 
genus Diaphanoptera and the 
Order Diaphanopterodea, 240 
Studies on North American Carboni- 
ferous insects. 2. The genus Brodi- 
optera, from the Maritime Prov- 
inces, Canada, 59 
Studies on the cavernicole Ptoma- 
phagus of the United States (Cole- 
optera: Catopidae). 50 
Sympherobius arizonicus, 64 
Tabanidae, 193 
Tachys australis, 28 
Tachys, bogani, 27 
Tachys convexulus, 30 
Tachys convexus, 29 
Tachys habitans, 29 
Tachys olliffi, 29 
Tachys pubifrons, 24 
Tachys punctipennis , 25 
Tachys semistriatus, 25 
Tachys seticollis, 25 
Tachys trunci, 31 
The American spider genera Spin- 
tharus and Thwaitesia (Araneae: 
Theridiidae) , 223 
The female of Bertrana hieroglyphica 
Petrunkevitch (Araneae, Argi- 
opidae), 129 
The male of Mecynometa globosa 
(O.P. -Cambridge) (Araneae, Argi- 
opidae), 180 
The spider genera Cerocida, Hctsch- 
kia, JVirada and Craspedisia (Ar- 
aneae: Theridiidae), 170 
The venom and poison glands of 
Pseudomyrmex pallidus (F. Smith), 
69 
Theridiidae, 170, 223 
Thomisidae, 34 
T hwaitesia affinis, 231 
T/vwaitesia bracteata, 233 
Thwaitesia simoni, 234 
Thwaitesia splendida, 234 
Tingidae, 208 
Trichopetalidae, 235 
Triplosoba pulchella, 121 
Triplosobidae, 121 
Troglobites, 235 
Two new North American species of 
Hydrovatus , with notes on other 
species (Coleoptera: Dytiscidae), 
184 
Wasps, 7, 151 
JVirada punctata, 174 
JVirada tovarensis , 176 
xiphonychidion cyanipenne, 118 
Zelanophilus pococki, 167 
Zelanophilus provocator, 165 
