54 NORTH AMERICAN FAUNA. [o. 16. 
talli), kangaroo rats (Dipodomys californicus), pocket mice (Peroynathus 
parvus?), woodrats (Neotom« fuscipes), coyotes (Canis ochropus), and 
raccoons (Procyon psora pacifica). 
So little work was done in Shasta Valley that the species mentioned 
are of course only a fraction of those present. 
MAMMALS OF UPPER SONORAN ZONE (IN SILASTA VALLEY). 
Restricted to Upper Sonoran. 
Lepus calitornicus. Perognathus (parvus?). 
Lepus nuttalli. Peromyscus truei. 
Microtus californicus. Reithrodontomys klamathensis. 
Common to Upper Sonoran and Trausition. 
Antilocapra americana. Procyon psora pavcifica. 
Canis ochropus. Scapanus californicus. 
Dipodomys californicus, Spermophilus douvlasi. 
Mephitis occideutalis. Spilogale latifrons, 
Myotis evotis. Taxidea taxus. 
Neotoma fuscipes. Vespertilio fuscus. 
Peromyscus gambeli. ? Zapus paciticus. 
BIRDS OF UPPER SONORAN ZONE (IN SHASTA VALLEY), 
Restricted to Upper Sonoran. 
Catherpes mexicanus pnoctulatus. Lanius ludovicianus excubitorides, 
Chondestes grammacus strigautus. Otocoris alpestris merrilli. 
Cyanocephalus cyanocephalus,! Pipilo fusens crissalis. 
Faleo mexicanus. Psaltriparns minimus californicus. 
Common to Upper Sonoran and Transition. 
Aphelocoma californica. Melanerpes formicivorus bairdi. 
Astragalinus psultria. Phal:enoptilus nnttalli. 
Butco swainsoni. Pipilo maculatus megalonyx. 
Calypte anna. Scolecophagus cyanocephalus. 
Carpodacus mexicanus obseurus. Speotyto cunicularia hypogiwa, 
Cathartes aura. Spizella socialis arizonv. 
Chondestes grammacus strigatus. Sturnella magna neglecta. 
Chordeiles virginianus. Thryomanes bewicki spilurus. 
Cyanospiza am«na. Troglodytes aédon parkmani, 
Dendroica wstiva. Tyrannus verticalis. 
Geothlypis trichas occidentalis. Virco gilvus swainsoni. 
Icteria virens longicauda. Zennidura macroura. 
Lophortyx californicus vallicola. 
TRANSITION ZONE. 
Excepting Shasta Vulley, the Transition zone covers the whole coun- 
try about Shasta and pushes up over the basal slopes to an altitude of 
5,000 or 6,000 feet. To the northeast and east it reaches and extends 
beyond the Klamath country and Goose Lake in Oregon, and the 
Madeline Plains in extreme northeastern California, interrupted only 
by narrow tongues of Upper Sonoran in the upper Pitt River Valley, 
and by small islands of Canadian on the highest mountain sumimits. 
'The pifon jay visits the juniper forests in Shasta Valley in fall to feed on the 
juniper berries, ut whether or not it breeds there is not known, 
