1915.] 



NATURAL SCIENCES OF PHILADELPHIA. 



617 



Tipula peuicillata 496 



penobscot •.. 460, 472 



perlongipes 481, 482 



piliceps 482,484 



polymera 466 



prsecisa 463 



pubera 463 



rangiferina 498 



scaphula 512 



Seminole 495 



septentrionalis 463 



serrulata 463 



serta 463 



simplex 490 



speciosa 463,^75,480 



strepens 464 



subf asciat a 464 



submaculata 464,492 



sulphurea 481 



suspecta 464, Ifi5 



taughannock 476, 480 



tephrocephala 464 



terna .• 464 



ternaria : 464 



. tesselata 465 



tetra 482 



trinidadensis 466 



triplex 464 



tuscarora 493 



umbrosa 465 



unimaculata 466 



valida 465 



versicolor 465 



Torpedo electricus 225 



Toxicophis pugnax 187 



Trachinotus carolinus 248 



falcatus 248 



glaucus 248 



Trachurops crumenophthalmus, 256, 



257, 533, 543 



Trachvoorystes brevibarbus 222 



galeatus 222,529 



isacanthus 222 



Trachypterus gryphurus 244 



Tretanorhimis variabilis.. 256 



Trichaster 44,52 



Trichasteridse 46,51 



Trichasterinse 52, 52 



Trichiurus lepturus 248, 532 



Trichomycterus pardus 228, 229 



poeyanus ^29 



rivulatus 229 



Trichotipula 468 



Trimerotropis pallidipennis 282 



Tristemma •■■•• 335 



Tritogonia tuberculata 554 



verrucosa • 554 



Tropidonotus bisectus . . 148 



compressicaudus bisectus 176 



'c. walkeri 175 



cyclopium 175 



40 



Tropidonotus fasciatus, 142, 145, 146, 

 148, 170, 174-176 



f. fasciatus 175 



f. pictivcntris.. 142, 175 



f. transversa 175 



rhombifera 148,174-176 



taxispilotus, 141, 142, 144-146, 

 171, 173, 177, 187 



ustus 148 



Tropidophis melamn-a 256 



Tropidurus torquatus .. 269 



Truncilla brevidens 550 



flexuosa 550 



foliata 551 



metaplata 553 



obliqua 550 



perplexa 550 



sulcata 550 



torulosa 550 



triqueter 550 



triquetra 550 



truncata 55S 



Truxalis brevicornis 281 



Trygon tuberculata 5Jf.3 



Tylosurus marinus 247 



notatus 247 



Typhlops lumbricalis 256 



Unio alternata. 

 angulata.... 



aurata 



buUata 



buxeus 



cardium 



cordata 



costata 



crassa 



crassidens 



cuneata • 



c. var. sulcata 



cyphia 



decorticata 



depressa 



difformis 



dilatata 



ellipsaria 



elliptica 



fasciata 



fasciola 



fasciolaris 



fasciolata - 



flava 



flexuosa 



f. var. buUata 



fragilis ...■ 



fusca 



fuscata 558 



fuscatus 



gibbosa 



gibbosus 



interrupta 



558 

 558 

 558 

 557 

 555 

 551 

 558 

 556 

 551 

 555 

 555 

 550 

 556 

 558 

 553 

 558 

 555 

 553 

 555 

 551 

 551 

 55A 

 558 

 557 

 550 

 557 

 552 

 558 

 ,559 

 559 

 550 

 555 

 650 



