154 INDEX. 
Page. Page. 
Selenite crystals ....-...-.--- 0-0. 265 Kasei daastets ete 99 StreptorhynChus soe. ence seccee cence scenes ceeeee 133 
Sentinel Geyser .-....---.---- Sdessi aN aE 29 CHOSSUD wecteteic esa ne seis eiateeieia oaias 121 
Setophaga MACHU . see aise asreasiewsewcewieme sieeinais 75 Keokuk ...--...--- oeteks i isresasiyn a 110 
Sharp-shinned Hawk .......----..-- Ashfeppennia ey ens 80, 92 SURGING. a scsuricuaninmenssissiensis temas seeece sees 81 
Sharp-tailed Grouse ....2.---2. 22-22-2202 0-02 eee 85 Sturnella magna neglecta... .----- --- 2 -2- eee cee eee 78 
Slitiwe Wott Jie co malo ssnerencaciomcicecasecemeres teat 9,13 | Suggestion relative to National Park.......----.-- 36 
Shields River ...........-.--- Tateaae eee 16, 57, 118, 121 Sulphur Springs...-..-. 222. 222 cece sees cones eee 23 
HOTS RAPS ceca armen iss sieie avalon eid amie 74 Summer Yellowbird ..-.--..----- 202 ---- ---5 00 74 
Short-eared: OWllsc.ccccnemaneastesswoshvonta-8e 81 Summit Creek..-.. sxcnc eis Gowen ain Sune Sowitetbaes 57 
SHOMCISE exciaaacaxnuencar eaters samberma anes 89 | Surf Duck, White-winged...... snddsoae doce ReRee 89 
Shrike, White-rumped ........--.-------+ 22-2 -++- 76 Surface-drift in Judith Gap .----..-2--.----2e eee 111 
SUMED RCL CU es ae ace tence taal tapetetclncsised i stonsinse akee Casares 73, 91 Surnia ulula hudsoniad. ..22 .222 wees cee eee eee eee ee 92 
Silurian. ...-- wee ec Faeer mets Sere eee 113 Swallow, (Bank sence cncie sacs seseciesacenanneaeties 75 
rocks, primordial series....-..---.-------- 182 Barn ....- ieceinneee se daghseeensss preteen 7 
SiO Ui exe te Oe bok rt tee A eed ge ets 14, 103 CU is re ae oer ee a apices 75 
Sitta carolinensis aculedta 22. -+-- 0-22-02 e025 ---- 73, 91 Violet-green ....... 22. eens secc nee sees 75 
SUA: co viercing gamcaw. d2 ed Seles sasiesaeisguerssinnarease 73 | Swan, Trumpeter s..c.essecenscusecsnsascersecense 88 
Sittin eB UM csc asissiesavescienead ce wasinisrsratesiais: sratatelaie 11 Sweet Grass Creek.........--.- bysmtleeiatewbnaiee ats 57 
Sixteen-mile Creele soecccswweeseeut ewe eeicieistesionee 16, 118 lls} cis eee cabs cerraccceedaxtec mace F109 
DUIS 2. <.sepre ners ceusisie rete leem mers eresleleeunmers reterers 65 SWift BOS cs ess.qccuciseanen seeing sees eee, acess 64 
SKUUE-DeAr’ sensi wacrniad wie cure siemens Seaton s llereretete 65 SYUMOUAE ccceurs seas cmrsmoseieeeanrsasiedessees 74 
Sky-lark, Missouri ssseceacsseseseves seewas eecices 74 | Syringopora mult-aitenuata .... 2224-22-22 20-222 ---108, 121 
Slaughter Of Pans. ..ssie<njoue aeejeee sais sie cieee eis = 61 
Slender-billed Nuthatch ........--2...c2seeeeeee + 73 qT 
SUS RAV Ot iv aia: ae cavers earepos act aeal oa esata statatslotinaters 15 Tamias quadrivittatus....-2- 2 ---- cweees coe ece cane 66, 90 
Snipe, Wilson's va) occsscie wajerames creeusernsicerasteiciaw os 86 Tanager, Louisiane: < 2ncrscdesesecsece sean series 75 
Snowbird; Oregon) joc.¢e cc csccinace sysciaw. dacerseeeiier 77 TORAGHMB scince nas sce siengd wen socadearmeseesieeite 75 
DU OWGO0SS wie rire a eaters nies does eeteons eters 88 Tapes montanensis ..---- ---- e202 eee ee eee ne eee 108, 143 
Mountains css som sawsieadisincne awcincwee's aeer 6 109 Taxidea americand ...-0- .- 2-2 cnn ene eee c ee nee eee ee 66 
Soda: Mountain 0<sesesencsnsicswece canis veceee ci 23 Teal, Blue-winged ...2.. 2-22. -2 ence ce enee ee wae 89 
Solitary Sand pipet asicscascescecacnen sem mawaw claws 87 Green-winged .......--..--.---- wade Saree 89 
Song Sparrow, Western ...-...------------------- 77 Tellina (Arcopagia) subulata.... 2-22-22. s-2eee een 126 
Sparrow, Clay-colored .....----.-------.---- eee: 77 OONGNSIS: cs 2cccceecescmemect: 126 
Savanvah.ic.-.2--se Hun cies ares eiaures 77 Tellina scitula...-.- Pe A eee ent eet ete 103, 126 
ROG, csscprinne aio dicie-cyainne tinier Mioeme's wits V7 ROUEN GC aicicvayaretancbnesicid:dentegs chard cmiocioians /eSieiahe minis trauseeers 87 
WCSTOPD SONG ycis.ciccrsssicieis Gi gmisiaisionsinicis cidiars 77 SRORCURULUUG: (uh Siri heteasie ard tarerae doaeh ware nomena: LOT 
White-crowned ......---. 2-2-2. -e- eee 77 CDERUTBI saan cveseipaie ia S Acdece ect e te amare nae 115, 135 
AGM OWEW INGE: soars semcenecicte damieeeteatce + v7 LOSSUS i :ecrcisd ampere aelles de tie wae eitrbianieye miata 116 
Spanos a Wika: ccsnseissctusiecsmacce aman: Bese sisrnces, 52 EL OUONS yscslcistacssi seine cise assests emu ane esistene aterm 20 
AS ROLL CY POOLE: < 2s of6 aos fom aieraiasctersererioun Sareea 80 LEIP AD ODS CUEING oxoibiasaisin cis eidid iors e: wise erie bie Senaiacieeeaee 84, 92 
Spermophilus Richardsonti...-..----- +222. ee ee eee 67 TI CERAO MUNG xa taiaraye coca Spo Sis ake e did wae Sanwa eereiCe 84 
13-lineatus ...-- essa Sea iapecarereernt sere 67 Thistlebird ..... ge EER Eee et eee eee eee mee 76 
LOUWNSONGS oss oreroapeeiecersnetecenecansaee 91 Thomomys talpoidis...--. 0.2. .0--06 cee nne nee ee eee 68, 91 
Spheriola moreawensis ...- 2.2.00 eecnee -- 2-2 nee 126 Thompson, Lieut. R. E ......-..----. 2... ere ee 9, 55 
Spheotyto cunicularia hypogwa ......----------6---- 81 Thomson; Prof: James cs sos secccee seas ceeeeee en 98 
Sphyrapious thyroideus ...20. 02.220 cee eee cee eee ee 81, 92 Thracia (Corimya) Grinnellit .....---..----.------ 126, 144 
iS VU RODD sez asym en staeesuararenanslclata taensiavalafete: crassa: arctetaalarcies 133 HOSS Biv rasa oi8 oinjeie iajsisisigio’ Bio iS a etdnla nig sts cin ee eS ar are 72 
centronata..----..--- aed kare 107, 108, 110, 121, 129 AP APCG ORES bcp cease cise isles nomicis aces laid deweds oe 116 
(Martinia) lineata ..-.22 022. 222 cee eee ene 107 RB BIS ioc foray si scisletsicie Sint ccie1aie Sw Sele seo Se 31 
Spirit ferind: KLENTUCHEN SUS . orn oce cin cimerecinieinemacss sees 110, 121 Rbhriish), BEG Will 2-2 risiceeseeieecieicdsee isle sisaweacamcs 72 
SPEZCUL A IMONNCONG cron a narenanice’ Ansel amnamenrins am 77 Golden-crowned .....--...2.------.---6-- 74 
LL Oe 2s lercrtastels dt xt hetar'n sy cnede Bia aecntoetvaxtns 77 OMVE=DACKOO) cacincecamanckrematerceheces 72 
BOCAS AVIZONG: 00 ones vance een cw oeasieteaiais 77,91 DIGI GUAB 5 aa: watevmayaiaverar viene ejeievaig eiee relate scatines memEts 114 
Spotted Sand pipet cccecues wcovace nt sswesacesene 87 TPAD OR WOLD scirans aaermaaamatinniomciesis amie wewiene es 63 
Square BubtOc cc cececesswesscounemencsscnesceecins 55 MCAT, aja ctiem ieee actemcmintacmpion seek apemies ekiem 74 
Squirrel, Missouri Ground..........--....---. +++ 66 LOLGHUS AUPE crown amsicnns geruue seceee weeaosns 87, 92 
Pinteick detec oaeteee kee cee eee 66 melanoleucus ..---- sacwae cana scncnnncecccs 87, 92 
Ried ion Gem cceeee crameneameacene memes wane 66 SEMIPAlMALUS 1... 222. eee enw cee nee nee ene 86, 92 
Richardson Geene. cones veers ssmosencass 67 SOULATUUS wiwruie weve murs are wince arersintaininvecetaionmatees 87, 92 
Striped Prairie ccc ccs sessccsies oceans 67 Mower Creeks .cccws ccc ocepmcestesteseanexes wees 20, 81 
Steamboat: Poimtswowas canis sees ccawis pees geawewiars 24 Pall cc secegtocssasecsneeenemeskeeecemees 20 
Shevensolt,. POL cscs wacceceons vatwenededeasisema 65 Trach te seecwssorewanv oxcawineicions cmcnuemeecene 105, 108 
SUCOPORG saccw ceed ve-sass veme eel eseeewseneeacmans 108, 110 Trail Creekiccc cccoenenresawcass sieiacsiners mami sie 17,84 
Storm on Mount Washburne ....-...---..-...-+-- 30 Tree Sparrow.-..... atisibisin eine SieiSae SEATS dee is 77 
