906 



BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



Setomorpba 162 

 Shepherdia 823 

 Sialia 



arctica 553 



sialis 6 

 Sibbaldia 808 

 Siboma 424 

 Sileue 805 

 Sinapis 804 

 Sinea diadema 508 

 Sinoe 162 



Siparocera nobilis 674 

 Sisymbrium 804 

 Sisyrhynchium 825 

 Sitodrepa defuncta 762 

 Sitones grandsevus 767 

 Sium 811 

 Siurns 



motaeilla 13 



utevius 567 

 Smilacina 826 

 Smilax glauca 123 

 Solan um 821 



carolinense 117 

 Solenobia 162 

 Solidago 115, 814 

 Solid-hoofed Pigs, On a Breed of, by E. 



Coues 295 

 Sorex cooperi 203 

 South Eiver 840 

 Spaniodon simus 69 

 Spanish Peaks 854 

 Spargauium 824 

 Spar ten a 828 

 Spatula clypeata 63, 651 

 Speotyto cunicularia hypogsea 619 

 Spermophilus 



f ranklini 216 



tridecemlineatus 217 

 Sphseralcea 805 

 Sphyrapicus varius 616 

 Spiraea 808 

 Spiranthes 825 

 Spirifera subumbona 129 

 Spizella 



monticola 590 



pallida 19, 591 



socialis 19, 591 

 Stachys 820 

 Stanleya 804 



Staphylinites obsoletum 762 

 Statuesque Forms 848 

 Steganopus wilsoni 636 

 Stellaria 805 

 Stemmatophora nicalis 671 



Stenobothrus curtipennis 482 

 Stenocinclis anomala 751 

 Stenodus 430 

 Stephanomeria 816 

 Sterna 



anglica 64 



cantiaca65 



caspia 65 



forsteri 65 



superciliaris antillarum 66 

 Sticlocephala inermis 509 

 Stilbosis 162 

 Stipa 828 

 Stizostethium 437 

 Strepsilas interpres 54 

 Streptostylica 309 

 Strix flaminea americana 39 

 Strobisia 162 

 Strophodonta 



arcuata 728 



cauace 728 



quadrata 728 



reversa 728 



variabilis 727 

 Studies of the American Herodiones, by 

 j E. Ridgway 219 



! Sturnella 



magna 24 



magna neglecta 603 

 Styphrosoma stygica 507 

 Suajda 822 

 Symmetrurus 788 

 Symphoricarpa vulgaris 114 

 Symphoricarpus 812 

 Synchloe thoosa 257 

 Syueda alleni 183 

 Synonymatic List of the American Sciuri, 



by J. A. Allen 877 

 Synopsis of North American Species of 



Alpheus 189 

 Syrigma 247 

 Syrphus 754 

 Table showing Distribution of Fossils in 



the Laramie Group 722 

 Tachina sp. 756 

 Tachiptilia 163- 

 Tachycineta 



bicolor 15, 571 



thalassina 571 

 Tamias striatus 215 

 Tarache semiopaca 182 

 Taraxacum 817 

 j Tauridea 441 

 Taxidea americana 202 

 Tegeticula 163 



