ZOOLOGY. 
79 
COTYLE SERRIPENNIS. 
The Rough-winged Swallow. 
Pound in California, and as far north as the Columbia river. 
PROGNE PURPUREA, Linn. 
The Purple Martin. 
Not uncommon about San Francisco and the towns in the Sacramento valley. 
PROG-NE CHALYBEA. ? 
More abundant in California than the last, and commonly mistaken for it. 
CERYLE ALCYON. 
The Belted King Fisher. 
Common throughout California and Oregon. Dr. Gambel restricts it to the rocky shores and 
islands near the coast, but we found it frequenting nearly every stream in our route from San 
Francisco to the Dalles. 
CERTHIA AMERICANA. 
The Brown Tree Creeper. 
Common in the wooded districts throughout California and Oregon. On the upper Des 
Chutes in September, apparently migrating southward. 
SELASPHORUS RUFUS. 
The Nootka Humming Bird. 
Occasionally seen in California and Oregon, and often associated with the last. 
TROCHILUS ANNA. 
Anna Humming Bird. 
Abundant in California. 
PARUS ATRICAPILLUS. ? 
The Black-capped Tit, or Chicadee. 
Common throughout California and Oregon. 
PARUS MONTANUS. 
The Rocky Mountain Chicadee. 
I saw what I supposed to be this bird feeding with the black-capped titmouse and Sitta 
pygmea among pine trees in the Des Chutes basin, in lat. 44° N., September, 1855, 
SITTA CAROLINENSIS. 
Carolina Nuthatch. 
Common in the wooded districts of California and Oregon. 
SITTA PYGMEA. 
Pigmy Nuthatch. 
This diminutive creeper we saw in most wooded places where water was near and any con¬ 
siderable amount of animal life was visible. We frequently, however, travelled for days through 
