ocT., 1899.] 
MAMMALS OF 
HUDSONIAN ZONE, 
ILUDSONIAN ZONK, 
(1) Species hnown to occur in Hudsonian zone of Shasta. 
Callospermophilus chrysodeirus. 
Canis lestes. 
Erethizon epixanthus. 
Eutamias amcnus, 
Eutamias senex. 
Evotomys mazama. 
Lepus klamathensis, 
Microtus mordax. 
Mustela caurina, 
Mustela pennanti. 
Myotis ynmanensis saturatus. 
Neotoma cinerea. 
Ochotona schisticeps. 
Odocoilens columbianus, 
Ovis canadensis. 
Peroguathus mollipilosus. 
Peromyscus gam)eli. 
Phenacomys orophilus. 
Putorius wrizonensis. 
? Sorex vagrans amconus.! 
? Sorex (Neosorex) navigator. ! 
Thomomys monticola. 
Vulpes macrourus. 
? Zapus trinotatus alleni.' 
(2) Species restricted to Hudsonian zone. 
Ochotona schisticeps. 
(3) Species common to Hudsonian and Canadian cones. 
[See p. 62.] 
(4) Species common to Hudsonian and Alpine cones, 
Canis lestes.- 
Microtus mordax. 
Ovis canadensis. 
Peromyscus gambeli. 
Phenacomys orophilns. 
Thomomys monticola. 
Vulpes macrourus. * 
BIRDS OF HUDSONIAN ZONE. 
(1) Species known to occur in Hudsonian zone on Shasta. 
(Species queried are not positively known to breed iv the Hudsonian, though frequently seen 
belt in Jnly and August.) 
Accipiter atricapillus striatulus, 
Accipiter velox. 
Aquila chrys:vtos. 
Carpodacus cassini. 
?Certhia familiaris orcidentalis. 
Cinclus mexicanus. 
2?Coccothraustes vespertinus montanus, 
Dendragapus obscurus fuliginosus. 
?Dendroica aunduboni. 
Dendroica occidentalis. 
Falco sparverius, 
Junco hyemalis thurberi. 
?Loxia curvirostra bendirei. 
Myadestes townsendi. 
Nucifraga columbiana, 
Parus gambeli. 
Perisoreus obscuras. 
Regulus calendula. 
Regulus satrapa olivaceus. 
Salpinctes obsoletus. 
Selasphorus rufus. 
Sialia arctica. 
Sitta canudensis. 
?Sitta carolinensis aculeata. 
Sphyrapicus thyroideus. 
Spinus pinus. 
Stellula calliope. 
Zonotrichia leucophrys. 
(2) Species restricted to Hudsonian zone. 
Nucifraga columbiana. 
Zonotrichia leucophrys. 
in this 
| These three species occur along the lower edge of the Hudsonian 
zone, but were 
net obtained in 1ts upper part, and it is not certain whether or not they should be 
included. 
2 Does not breed above Hudsonian. 
21753—No. 16 9 
