OCT., 1899.] 



TRANSITIOX ZONE. 



67 



MAMMALS OF TRANSITION ZONE — Continued. 



(21 Restricted to Transition zone. 



BassMi'iseus astntus raptor. 

 Lyux fasciatus palh'soeu.s. 

 ?Meplutis occideu talis. 



fMicrotu.s niontauns. 



Sciurus ibssor. 



rrocyou califoriiicus townscndi. 



(3) Common to Transition and Upper Sonoran zones. 

 [See p. .54.] 

 (4) Common to Transition and Canadian :on<s. 



Callosperniophilus chrysodeirus. 



Cervus occidentalis. 



Eretliizou cpixantlins. 



Entaniias aiiKrnus. 



Eutamias senex, 



Felis Oregon eiisis. 



Lutra hudsonica. 



Lntreola vison energiimenos. 



Microtns mordax. 



Myotis lucifugus lougicrns. 



Xeotoma ciuerea. 



Keurotriclius gibbsi major. 



Odocoileus columbiauus. 



Perognatlius moUipilostis. 

 reromyscus boyli. 

 Pei'omyscus gambeli. 

 Scapanus califoriiicus. 

 Sciuropterus aljnnus klaiuatheiisisl 

 Sciiirus albolimbatus. 

 Sorex moutereyt'iisis. 

 Sorex vagrans aiiKi'nus. 

 Taxidea taxus. 

 Trsus americauua. 

 Ursns liorribilis. 

 "\'ulpe8 niaorourus.' 



BIRDS OF TliANSITlON ZONE. 



(1) Species known to occur in Transition zone of Shasta, 



Apheloconia californica. 



Ai|nila clirysai'tos. 



Astragalimis psaltria. 



Astragaliuus tristis salicamaiis. 



Bubo virginianns. 



Buteo borealis calnrus. 



Buteo swainsoni. 



Calypte auua. 



Carpodacus iiiexicaniis obscurus. 



Catliartes aura. 



Ceophla-us pileatus abieticola. 



Certbia fannliaris occidentalis. 



Cha'tura vauxi. 



Choudcstes grammacus strigatus. 



Cbordeiles virgiuianus. 



Circus hudsonius. 



Colaptes cafer. 



Contopus l>oreali8. 



Contopus ricbardsoui. 



Cyanocitta stelleri. 



Cj'auospiza amd'ua. 



Dendragapus obscurus fuligiuosus. 



Dendroica a'stiva. 



Dendroica auduboiii. 



I)ryol)ates pubescens gairdncri, 



Dryobates villosus hyloscopns. 



Empidouax ditilicilis. 

 Km pidoiiax b a m uiond i . 

 Empidonax wrigbti. 

 Falco sparverius. 

 Geotblypis tolmiei. 

 Geotblypis trichas occidentalis. 

 Glaucidium guoma califoniicum. 

 Helmintbopliila celata lutesceus. 

 Helmintliophila rubricapilla gutturalis. 

 Hiruudo erytbrogastra. 

 Hylocicbla aonalascbkie auduboui. 

 Icteria virens lougicauda. 

 Lopliortyx califoruicus vallicola. 

 Melanerpes formicivorus bairdi. 

 Melanerpes tor(]uatus. 

 Melospiza liucolni. 

 Melosjtiza melodia montana. 

 Merula migratoria propinqua. 

 Oreortyx pictus plumiferus. 

 Oreospiza cblorura. 

 Passerella iliaca megarbyucba. 

 Petrochelidou Inuifrons. 

 Pliahenoptilus uuttalli. 

 Pipilo maculatus uiegalouyx. 

 Pirauga Indoviciana. 

 Scolecophagus cyanocepbalus. 



' Supposed to breed in Canadian and wander over Transition. 

 21753— No. IG 8 



