1883.] 



NATURAL SCIENCES OP PHILADELPHIA. 



373 



Saxicola 266 



Sayiornis 64 



Scalops 82 



Scaphiopus 10, 15, 18, 33 



Scelidosaurus 97, 100 



Sceloporus 10, 12, 15, 16, 18, 



21, 23, 27, 28, 34, 35 



Scolecophagus 64 



Scops 65 



Scorpsena 292 



Sebastes ., 291 



Sebastodes 291 



Sedum 74 



Sempervivum 74 



Sequoia 193, 202 



Serranus 285 



Selophaga 61 



Sialia 60 



Sibon 84 



Siphateles 146, 152 



Siren 24, 56 



Sitta , 60 



Siurus 61 



Solen 248 



Solenodon 78, 82, 83 



Spea 14, 15, 32, 33 



Spelerpes 24 



Sphyropicus 65 



Spilotes 35 



Spirifer 213 



Spizella 63 



Sporendonema 302 



Squalius 147, 152, 153, 156 



Stapelia 49 



Stelgidopteryx 62 



Stenostoma 11, 33, 34 



Streptorhynchus 213 



Strix 65 



Stromateus 284 



Sturnella 63 



Stypolophus 83 



Tamias 269 



Tarantula 131, 196 



Taxodium 201 



Tegenaria 197 



Telmatodytes 61 



Thoracodus 108 



Ihuja 187, 191 



Thujopsis 187 



Trachodon 99 



Tricula 171 



Trimorphodon 35 



Tringoides 67 



Trochilus 65 



roglodytes 61 



Tropidonotus 34, 35 



Tryonia 171 



Turdus 60 



Tylosurus 283 



Typha 138 



Tyrannus 64 



Uintatherium 169 



Uma 35 



Umbra 132 



Unio 46, 58 



Uranidea 150, 152 



Urnatella 204 



Urotrichus 82 



Uta...lO, 12, 15, 18, 21. 28, 32, 33, 35 



Vellitia 216 



Verticaria 32, 33 



Viburnum 201 



Vireo 62 



Wistaria 50 



Xantusia 29, 30 



Xenosaurus 29 



Xiphosoma 34 



Yucca 190, 191 



Yunx 266 



Zamelodia 63 



Zenaidura 66 



Zetodon 169 



Zonotrichia 63 



