152 INDEX. 
Page Page. 
Merganser, Hooded ....-- -----. -----+ --+-+2+12e24 e Northern California....0....2-.2c0sc0 ses ees ceneee 84 
Mergus cucullatus .....+..- ++. .2 2-26 220 eee eee 89 Northern Diver, Great....-....--.0 2.22... eee eee 90 
MEL QONSER yscsrarcierntcraiciaie warwicarsseaterares ateieieinctaists 89, 92 Phalarope...-.. 222220. -cec0e eee ake 86 
Merriam, C. H. ..---.----++ 22220 eee nee cere eee 61, 88,90 | North Fork of the Musselshell.........--. ------- 112 
MeryohyUs ....-+ 2-220 ea 22 cece nee eee eee eee 116 Noxvlon's:Creckcs.seveseenes sep ceecaecianwneacisers 123 
Mimus carolinensis . 2021 .0200. cseevescess sees anes 72, 91 Numenius longirostris .... 0220 .2.000 cece eee ee eens 87 
Mink... --. .--- +222 2eee eee ee cee eee een cee teen 65 Nycliceus Crepuscul arts sce cuje cme vengee ances recess 90 
Miocene’ Tertiary san aceessccwes end y-seee cave nan 115 : 
Missouri Ground Squirrel......-.-2. 2-2-2. -2------ 66 Oe 
River, alluvial deposits of........-...--- 7 Obolella..-. 02.226 eee eee cee nee re ee eee M7 
(S/Eave eT eee ee ee me 74 CEACATO: PUB CU x. a.2- caterers. sivisismmee uscarendia Cio tae a SER EG 89, 92 
MOORE PCCOT Gs crn cis minister earn Saceurmaate ene 78, 91 Old Faitbful..--.. 222.2222. 222. 2-2 eee eee ---- 26, BL 
EVE GSB hx casein Ne eases aR aneick ae oar ae a a 69 Olive-baeked. LDP ISH 22 ace ie econe ie cence 72 
Moss Agate Springs. ec sccsce ngage dgoceccgeeeds 116, 117 Oregon ..---- 022226 eens eee eee eee ee cee eee eee Bd 
DO TUG poston paced tasheic alot nit Cpt warding YL snow-bird ....-- 2-2. eee ee cere eee eee 7 
Mount Hiantcot ks apsvtccreenenwrcat snip jan eaciecinene are 20 Oreodon..--.----- +--+ + 22+ scarce ete 112 
Humphreys .-.... 22222. 02222-02eec eee eee 20 Oreoscoptcs MOntARUS L226. 0222 2602 oon eee eee eee 72,91 
SHOP TSI cpm rerereree cuter asresesecsiedeneres soya spe coe ancseco 20 ORT COTS wcscnia g anitenyencislee wactaints emeieiemmaatea cae e 107 
Washburne.......22. ee eee vec eee cece cee eee 20 Orthoclastuccx: veraayy sada geccegeemgesereets 105 
Mountain Buffalo...... 0.2222 0.ccce ec ceee cece TL | O8U CM eee cee ee cere eee ete eee erences 112 
Chickadee... - 2. eoee cee eee cece ceee cece 73 CONGES Wr woicwd we rater awiemine swam ieetet 103, 110, 113, 121 
STUNT pce e acta teeta ea ate comet cake 63 Otte sa sesneseeeseeeeere eee iaeceuseves eeereecmes 65, 68 
Mocking-bird ..........2000 e008 seecee ee 72 ORB PANS iSexcem ore eves sensed dees eeseecncmwees 8L 
DIOR wey dat hee eh ee es Sens 36 Otus vulgaris wilsonianus ...2..-.0 2-0 002-2 eee eee 92 
Sheep hae rae la oP waa anc etic gg ce nA eee Mo 70 OV Perch eesccntsiasassccecieeteot eee eh ets 70 
Mountain-elevation, period of,...........-.2..-.. 137 Ovis montana ..~--. ---- +2 +22 eee ee reer eee eee 70, 91 
Mountains, Bear’s Paw...... 222-2. 02 eee ee eee 13, 55 Owl, Burrowing..--.. .-----.---2+ 222 seers eee 81 
EGBA Bs rSericvaeaaeyneeatg uate Gren eceemaparecioseree 115 Gieat Honied.. 2... 0. 28dsc cece weetee wera al 
Bt RSTEIRO bs ces cena svseecaoarorscsrocrs ouscion 120 SIGRDOATC EL woseaniecletatdhernine eae weiinnni aa 81 
CRaZ 5 WOMB Sco ssecavcnen cavern mene 57, 120 Pp. 
Judith... ++. 22. see seer ee rere eee 14570, 103) |, IppintPoliscxtsceeersecaaayasubannses onasmnnccane 25, 131 
Little Belt .... 222.222. +--+ 2. eee 14, 84, 110 PUndiow WOUAews: rniecietwse cearceicrw esa wiaicisielnie seek pee 83, 92 
Rocky ...-----2-0++0e2ee everest 33, 127 Panopwa occidentalis 122 
SD ONY Sc ccm cereieinasesneroensreranand 15, 109 STATI Cie sot gts dewia got BoM I cape Se han se ceo 73 
PW EEIGENSS ieccciera tine sewieieeieiiuimamas 71,79 Park, National .... ...-2.--2..- 63 
, Helles Wiha suena eek aaa 57 Partial list of Mammals and Birds.........-.. 2... 90 
Mourning Warbler, Western ....-..-...---+-+++--+ 74 Parus atricapillus septentrionalis...--.- 1.22. ..205- 73,91 
Mouse, House Arp ou te oe eee ee 68 MONMONUS ceeactaen ceseh emmseinsiine See eneemes 73, 91 
=e a Nips ee her Ne eda oe ne Pass, Bridger .----. .----- ---2e + eons eee ee eee eee 82 
Weatorn White-footed oo OW tlstiienmaacammnmecroas, 
Mud-geysers .----.+- +--+ 02-2 seers eee eee 23° | Pediacetes phasianellus columbianus....20. 022+ .-00e+ 85 
Mud-hen..---.0-2+ 020 cree cere cree ee cree eee eee 88 Pelican Creel vcosces veces cace.n suis seweeemmeccae Q4 
Mud-puffs ...----.---- --- 2 22s eee eee eee eee 131 Pelican, White ...2..22022..2-e. pet te het Lee 89 
Mule Deer .- 200 020 sere cere verre e eee eee eee 70 PeliCaHide...scesnses eecewsesisierssisieiesisis s wcic Sree 89 
Murid@.-.- 0-0-2 ve seer tence cece seen ee teen eens 68 | Pelicanus trachyrhynchus..........2. 2+ the acieiaaieiais 89, 92 
Mus decumanus -.-- --+ + +++ 2-2-2 ve eeee eee sees eee 68 | Period of mountain-clevation........2.. ..--- Sencm ABT 
MUBCULUS « --- nnn pam nne sane none sway save news 68 Perisoreus canadensis capitalis ........+---.-------- 79,92 
Muskrat... Sreemesd erect SReetOG RaW ST ey 68 Petrochelidon Wnifrons....0..2-000 eee ee cece cee eee 75, 91 
Musselshell River, cafion of.-....-----.2-.-2----65 84, 111 Phalarope, Northern ....2-. 02.2 .2eeeeeeceee eeecee 86 
forks of .-.----------- 2-2-0200: 83, 112 Phalaropodide 86 
; north fork of -.-.-+.---.+-++ +--+ 112 DUOMO OT Gia atascse ciscrmncsroniceeBeizresintdagecicm sees eines 122 
MBA GINENICONG «52.2 be iviies eee weecnned some Bemend 65, 90 subventricosa 126 
Mustelidee.. +200 s-00ee vere rere eevee e ee eee eee eee 65 Pica melanoleuca hudsonica...--. +2. .2-20-+--02---- 79, 91 
Myacites (Pleuromya) subcompressa ..--....-------- 121, 142 Picicorvus columbianus ..-.2...-020 ccccue acecee cece 79,91 
Myalina (Gervillia) perplana....-.----2- 2-2. 1-02 121, 143 ETL TR Ree ES OL eee SRG RRA EEN 50 
Myiodioctes pusillus .-. 2.) 02-220 cee e ee ee eee eee eee 91 Picoides arcticus ...--- ccc0 ceccne veces ccocee cece 92 
N. americanus dorsalis . 2+. .-+--4 wenn eee eens 92 
NGO CNOS8Oianwiees wee saneess sepa see escins siisteximinars 126 Pius PUbesCens's soca: sciavinecpascanewecsceaeweeseaces 81,92 
National: Pat eimcmict mcainwe ieee te eee ee ecegceaes. 69 villosus harrisit .-.-22...--0.---- Seles lee eeu 80, 92 
Neocorys spraguet 74 Pied-billed Grebe... ..---. 02-22. eee sinaiaietatemianciemes 90 
Newland Creek........-.-- +--+ +e eeeee Wisceeate cus 114 Pigeon, Passenger ........--- sretaateventers sisteeiemteniee 83 
Ni8ti8 COOME Ls ccna cncwicesoewiee ve wewe vewss gxedeeee 81 Pigeon Hawk...-... isiatolareluistevnetiaceneewiniis eemeceeme 82 
PUBCUB..ormaininicPioosintsinieissroncienean MWe eet. C192 | Pine FMCW csqeuxnanenmameaenawecnsemeeeneescis - 76 
