INDEX TO GENERA. 



457 



Smilisca 127 



Solidago 343 



Sonora 310 



Sorbus 34H 



Spatula 99 



Sphaerodactylus 125 



Spea 301, 311 



Spiraea 34.'; 



Spizella 87 



Sphenotheca 349 



Spelerpes 132 



Sphyrapicus 52 



Stanleyi 343 



Steganocrinus 253 



Steganopus 97 



Stelgidopteryx 72 



Stenolopus 347 



Stenorhina 127 



Stenus 347 



Sterna 99 



Stethon 38G 



Strategus 348, 382 



Stictocranius 374 



Strix 49 



Strobila 315 



Strom atocerium 1 18 



Strotocrinus 253 



Sturnella 23, 91 



Succinea 315 



Sun ins 347 



Synbathocrinus 251 



Sylviid83 6G, G7 



Sympbemia 97 



Synchita..'. 379 



Synchloe 248, 336 



Tachys 347, 348 



Tachyporus 374 



Tachycineta 72 



Tanagridas 71 



Tantalus 9G 



Tantalidas 9G 



Tantilla 126, 320 



Tanymecus 349 



Tetradiutn 114 



Telephones 347 



Terebratula 3 



Teredo 3 



Terias 238 



Tetraonyx 349 



Tetraopes 349 



Thalasso'ica 25, 29 



Thalassarche 187 



Thecla 332, 337, 338 



Thecadactylus 125 



Thiellus 



Thryo thorns 



Thrasops 



Tb rose us 



Todus 



To miens 



Trematopora 



Tribrachys 



Triehas 



Trichina 



Trichochrous 



Trimorphodon 



Trochita 



Tripr.ou 



Triplax 



Tringoides 



Trocbilus 



Troglodytidae 



Trogon 



Trogophloeus 



Troglodytes 



Trogosita 



Tropidodipsas 



Tropidonotus 310, 



Trox 



Tryngites 



Turd id* 



Turdus 



Tylosis 



Tvplilops 125, 



Tyrannus 



Uma 



Unio 33, 



Urodela 



Uta 303, 310, 



192 

 ^78 

 127 

 347 

 38 

 348 

 118 

 348 

 69 

 9 

 351 

 310 

 270 

 127 

 348 

 98 

 56 

 77 

 37 

 347 

 78 

 348 

 127 

 311 

 348 

 98 

 G4 

 64 

 349 

 326 

 59 



310 

 133 

 300 

 311 



Vaccinium 



Vallonia 



Vespertilio 



Vireo 41, 



Vireonidas 



Vitis 



Xantliocpphalus 



Xantholinus 



Xantusia 



Xenosaurus 



Xanthornus 



Xenorhipis 



Xyloryctes 



Zanaidura.... 

 Zonoiriehia. 

 Zopherus 



313 



315 



280 



73 



73 



6 



90 

 347 

 312 



384 

 348 



93 



84 



348 



