L916.1 



NATURAL SCIENCES OF PHILADELPHIA. 



651 



Toxorrbina magna 198 



muliebris ,,|s 



Trachinotua argenteue 398 



glaucus 398 



Tricyphona 536 



auripennis 531 



calcar 536 



byperborea "' :1 ~ 



inconstans 536, 537 



katahdin ... 537 



paludicola •} :? ^. 539 



vernalis 53' . 539 



Tridactylus apicalis 109, -*■} 



fissipes 283 



bistrio 284 



histrionicus 284 



illinoiensis 283 



incertua 283 



terminalis 283 



tibialis 28! I 



Trimerotropis acta 192 



citrina 107,190-192 



cyaneipennis 193 



maritima 107, 190, 19 -J 



saxatilis 017. 192 



Trimicra empedoides 508, 508 



Trochosa rubicunda 81 



Truxalis brevicomis 106, 155 



Tryxalis brevicornis 100. 1 55 



Turbo cornut vis 468 



Tylosurus scapularis 409 



Umbra lima 415 



pygmsea 416 



Umbrina coroides 404 



Upeneus grandisquamis 410 



Urceolabrum •169 



tuberculatum 469, 470 



\ ; 1 1 1 < > 1 1 i .• i cyclophorella 



gracilicosta : > : > s 



Velutina 378 



Verrilliteutbia 18,64 



Vitrea indentata umbilicata 322 



Vitrina alaskana 322, 327, 337, 338 



Voluta canalifera 159 



lativittata 159 



Vomer setapinnis 398, 101, 109 



Vostox brunneipennis 105, 112 



Xenichthys xanti 110 



Xenisma 122 



stellifera 122,^0 



Xiphophorua helleri 438 



Xya mixta 283 



Xyst Lcus brunneus 79 



crudelis 79 



dist inctus 79 



feroculus 79 



formosus 79 



gulosus 79 



lentus 79 



limbatus 79 



luctana 79 



maculatus 79 



nervosus 79 



quadrilineal us 79 



stomachosus 79 



transversus 79 



triguttatus 79 



Zygonectes 421, 422, 425 



brachypterus 432, 433 



Zelotes blanda 69 



rufula 68 



Zonitoides arborea 322 



43 



