Swarth: Birds and Mammals from the Atlin Region 97

ASI

rai

ras

SS
iMioes

@ Lagopus rv kelloggae

0
& Lagopus r dixoni

@ Lagopus r rupestris

=
120 NO (00 5

Fig. I. Map showing distribution of certain subspecies of rock ptarmigan

(Lagopus rupestris). The approximate habitats of L. r kelloggae and L. r.
dizoni are outlined. Symbols indicate localities from which specimens were

examined.