1896.] 



NATURAL SCIENCES OF PHILADELPHIA. 



609 



35, 53, 67, 



■ ■ ■ 28, 



Soricidse . . . 

 Sphteralcea . . 

 Sphseriuni . . . 

 Sphferophthalma 



Sphecidae 



Sphecius 



Sphecodes 



Sphex • 



Sphyrapicus 115, 



Spinus 139- 



Spizella . . .116, 1B9, 144, 



Steatomys 



Stegodesnius 266, 



Stelgidopteryx .... 154, 



Steuogyra 415, 



Stiodesmus 



Strephobasis . . . 496, 498 



Strepsiceros 519, 



Streptanthus 



Strophia 



Strophiops 



Sturnella . . . 112, 115-117, 



Stylodesmus 



Subulina 



Succinea 399, 400, 403, 405, 

 416, 417, 448, 



Succineida? 



Sylvania 112, 157, 158, 162, 



Synagris 



Synaptomys 183, 



Tachea 



Tachycineta 116, 117, 133, 



154, 



Tachyrhostus 



Tachysphex 



Taenioglossa 



Talpa 



Talpidae 



Tamias 



Tantalus 



Tanydesmus 



Tapinoma 



Tejus 



Telescopella 



Tellina 471, 



Tetraclita 



Thaumastus 



Thecadactylus 



Thecaglossa 



Thelydesmus 



Thiyothorus 



Thysanophora 



202 



68 

 500 



37 

 551 

 552 



41 

 551 

 129 

 141 

 145 

 529 

 267 

 156 

 416 

 262 

 499 

 520 



39 

 315 

 318 

 135 

 261 

 425 

 406 

 493 

 493 

 163 

 554 

 184 

 425 



155 

 554 



554 

 495 

 507 

 201 

 193 

 513 

 264 



36 

 312 

 496 

 477 

 208 

 427 

 4()4 

 462 

 258 

 164 



24 



Tiidae 465 



Tiliqua 308, 313 



Tiphia 297, 298 



Tomigerus 415-417 



Trachysaurus 466 



Tralia .... 398, 403, 405, 452 



Tremarctus 384 



Tribulus 32, 34, 83 



Trigona 559 



Tringa 515 



Triton 479 



Trochiliis 117, 131 



Trochomorpha 397, 400, 403, 



405, 447 



Troglodytes 164 



Tropidesmus 257 



Trypanostoma 496 



Tupinambis . . . 309, 312, 465 



Turdus 165 



Tylodesmus 259 



Tyrannus 131 



Udodesmus 262, 265 



Uncia 392 



Ungulata 176 



Unio 187, 488, 500-505, 569, 570 



Unionidae 500, 567 



Uraniscodon 463 



Urocyon 199 



Uromastix 462 



Ursidse 199 



Ursus .... 199, 378, 383, 384 



Varanidae 461 



Varanus . . . 309, 310, 312, 461 

 Verbesina 32, 33, 36, 44, 91, 



99-106 

 Vespertilio . . . 203, 204, 291 



VesiDertilionidse 203 



Vesperugo 204 



Vespidae • 555 



Vireo 156, 157 



Vitrea 400, 403, 405, 406, 



448, 488 



Vitrinizonites 489 



Viverra 507 



Vivipara 495 



Viviparidse 495 



Volutilithes 478 



Volvox 233 



Vulpes 200 



Wedelia 32, 33, 83 



Williamia398, 399, 403, 405, 453 

 Xantusiidse 465 



