a | GRINNELL, The California Thrasher. 429 
Azusa. A noticeable thing in this connection, however, is that, 
on the desert slopes of the mountains, where Toxostoma lecontei 
occurs on the desert floor as an associational homologue of T. 
redivwwum in the Lower Sonoran zone, the latter “stays put” far 
LISS NS RET 
fh san a gee : 
_ 
. 
Tozxostoma redivivum sonome 
“2 - ab pp de 
Tozxostoma r. redivivum 
Toxostoma r. pasadenense 
Specimens examined 
Published records 
S \ ‘ i 
\ 
SS SS “* tf “7 
SSX IN » NY ws = f 
SSSks ae = g 
RAVAN || 
SSNS SVEN SN zed 
er 
oe, S 
ES Se 
PES.) 
SEES, 
DISTRIBUTION MAP 
MUSEUM OF VERTEBRATE ZOOLOGY 
UNIVERSITY OF CALIPORNIA 
—— 
more closely; that is, it strays but little or not at all below the 
typical confines of its own zone, namely Upper Sonoran. The 
writer’s field work in the vicinity of Walker Pass, Kern County, 
