1901.] 



NATURAL SCIENCES OF PHILADELPHIA. 



855 



Succinea ogasawarre 195 



pfeifferi 348 



puuetulispira 195 



putris 348 



retusa 348 



Vathelcti 196 



Succiueidne 195 



Swietenia mahagoui 557 



Syctodes thoracica 571 



Synidotea marmorata 156 



Syrnola bacillum 394 



brnnnea 395 



Syspira 5G9, 576 



tigina 576 



Tamandua tetradactvla 366 



Tantilla \ 92 



coronata 93 



eiseni 93 



gracilis 94 



nigriceps 93 



Tapes adspersa 206 



deshayesii 207 



phenax 207, 400 



platyptycha 206, 400 



quadriradiata 207 



Taphronota thailepliora 375 



Tarachodes ^stuans 278 



media 278 



modesta 279 



scluiltliessi 279 



smit hi 278 



sp 280 



Taracus 568 



packardi 593 



Tarentula modesta 586 



Tatocnemis malagassica 137 



Tectarius spinulosa 394 



Tellina concentrica 401 



diaphana 401 



(Merisca) pristiformis . . . . 400 



pristis 401 



siamensis 401 



Tellinidse 400 



Temnosoma oerugiaosum 217 



Isevigatum 217 



metallicum 217 



metallicum var. chapadaj. 217 



smaragdiuiim 217 



Tetragnatha extensa 569, 581 



laboriosa 581 



pallida . oSl 



Tetragnathidte 581 



Tetranychus bimaculatus 595 



desertorum 596 



Tetraodon margaritatus 326 



Tetraodontidse 326 



Tetrastemma 722 



Tetronarca nobiliaua 336 



TettigonidtB 880 



Teuthidid* 325 



Teutliis triostegus 325 



Thamnopliis 18 



elegans 23 



hammondii 24 



parietalis 28 



parietalis pickeringi 29 



vagrans 23 



V. biscutata 23 



Thanatus coloradensis 585 



rubicundus 585 



Thargalia 575 



modesta 575 



Theganopteryx Senegal ensis. . 274 



'I lieraphosidae 570 



Theridiidaj 577 



Theridioii pullnlum 571 



Theridium boreal is 578 



difterens 578 



funebris 579 



ueomexicauum 577 



Thomisida? 583 



Thomisus duttoni 585 



Thore 140 



boliviana 131, 135 



Thrinax argeutea 557 



parvitiora 557 



Throbroma cacao 560 



Thuya occideiitalis 355 



Tibellus duttoni 585 



Tilia Americana 357 



Europaja 357 



Tillandsia augustifolia 558 



bulbosa 558 



complanata 558 



compressa 558 



excelsa 558 



fasciculata 558 



flexuosa 558 



laxa 558 



pruiuosa 558 



setacea 558 



usneoides 558 



Tingis clavata 261 



Tingitidfe 262 



Titanoeca americana 569, 577 



Tmeticus 580 



brevipalpus 580 



pectinatus 580 



perplexus 580 



Tonicia 204 



Tole libbeyi 157 



Tornatina bermudensis 183 



canaliculata 183 



decurreus 183 



Torpedo nobiliana 336 



Tortrix bottae 15 



