Index. 



585 



Soionia ijuttulala, 271, 2S6 



Spartjaniactnv, 1 1 1 



Spartjaniiim, 1 1 1 



Spartiiia, 1 16 



Spathyenia, 112 



Sf-t'iii/uria, 73 



Spergula, 30 



Spernio|-)hao;iis rohiniiv, 273, 291 



Spha'ridiuin scarabivoides, 267, 275 



Siihenisciformes, 161 



Sphenophorus costipennis, 274, 293 



ochreus, 274, 293 



parviilus, 274, 293 



scoparius, 274, 293 

 Sjiidcrwort Family, iio 

 Sjiinva, 43 

 Spiraiithes, 104 

 Sporobolus, 119 

 Spurge Family, 97 

 Stachys, 91 

 Staphylea, 37 

 Staphyleace;v, 37 

 Stapihylinidi^, 270, 275 

 Steganopodes, 159, 160, 161, 248 

 Stegosaurus, 336 

 Steironema, 76 

 Stellaria, 29 

 Stenanthium, no 

 Stenophragma, 24 

 Stigmatonuna pallipes, 283 

 Storeria, 147, 148 

 St. John's-wort Family, 30 

 Streptopus, 109 

 Strigidix;, 159, 414 

 Strigiformes, 403 

 Strigops, 400 



habroptilus, 419 

 Stringopida?, 404 

 Stylophorum, 20 

 Stylopidiv, 266, 274, 292 

 Stylops childreni, 274, 292 

 Stvlosanthes, 41 

 Sula, 166, 173, 189 



bassana, 163, 406 

 Sumac Family, 37 

 Sundew Family, 50 

 Symphoricarpos, 57 

 Symphytum, 80 

 Symplocarpus, 112 

 Syndesmon, 16 

 Synosma, 69 

 Syntherisma, 1 17 



Tachynus schwarzi, 270 

 Tachypetes, 189 

 Tachyporus maculipennis, 270 

 Tachys ferrugineus, 267, 275 

 Tanacetum, 69 

 Tantalidre, 159 



Tantalus, 215, 218, 220, 223, 225, 226 

 228, 229, 231,232,233.234,235 

 230, 237, 239, 040, 241, 249 

 3", 312 

 loculator, 159, 213, 215, 249, 323 



Tape-grass Family, 112 



Taraxacum, 72 



Taxacese, 104 



Taxus, 104 



Teasel Family, 59 



Tecoma, 85 



Teleodus avus, 352 



Telephorus tlavipes, 272, 288 

 rolundicollis, 272, 287 



TenebrionidiTj, 273, 291 



Tenebrioides var. limbalis, 271, 287 

 rugosipennis, 272, 288 



Tephrosia, 39 



Terrapene, 157 



Testudinida;, Key to Local Cenera ot 

 the, 155 



Teucrium, 87 



Thalesia, 85 



Thalictrum, 16 



riiaspium, 53 



Thelypodium, 24 



Thermonectes ornaticollis, 267 



Thesiastes fossulatus, 269, 281 



Thesium cavifrons, 269, 281 



Thespesius, 129, 130, 377, 378, 379 

 occidentalis, 378, 384 



Thistle F'amily, 60 



Thorns, some new Pennsylvanian, 387- 

 398 



Tiarella, 49 



Tiedemannia, 53 



Tilia, 32 



Tiliace?e, 32 



Tillomorpha geminata, 273, 290 



Tinamiformes, 161 



Titanotherium, 256-262 



Titanotherium dispar, a mounted skeleton 



of, 347, 355 



robustum, 351, 352, 353 

 Tmesiphorus carinatus, 269, 284 



costalis, 269, 284 

 Todd, W. E. C, Notes by, 4, 504 

 Torosaurus, 377 



Toxonotus fascicularis, 274, 294 

 Toxylon, 98 

 Trachodon annectens, 384, 385 



breviceps, 382 



cavatus, 380 



the dermal covering of, 386 



longiceps, 378, 383, 385 



minor, 380 



mirabilis, 377, 380, 381, 382, 383, 

 384, 386 



paucidens, 382 



