Mar., 1910 
STATUS OF THE CALIFORNIA BICOLORED BLACKBIRD 
67 
(nos. 1 and 2) are from Stanislaus County (interior valley region) while no. 3, 
quite heavily markt, comes from Marin Comity (central coast region) tho it is sup- 
posed to be A. g. calif ornicus, and should have but little or no streaking. In fact 
it is a late spring bird with the feathers badly worn, and must have been much 
more heavily markt earlier in the season. 
The fourth bird from the left (no. 4) is from Stanislaus County also, and is 
nearly as heavily streakt as are the next two, one of which is from Riverside 
County, southern California (no. 5) and the other from South Carolina (no. 6). 
This streakt specimen from Stanislaus County is about an average of the females 
taken there and is indistinguishable from the majority of females from southern 
California, while the first specimen on the left, (no. 1 (without streaking, is rather 
Fig. 22. SERIES OK FEMALES OF A GELA [US ARRANGED TO SHOW THE GRADATION 
OF STREAKING ON THE VENTRAL SURFACE 
rare among the Stanislaus birds but is about the average in the San Francisco Bay 
region. ( See Fig. 22.) 
In the photograph of the middle wing coverts of three males the idea was to 
show the coverts alone. I found this a difficult matter, as it was a delicate operation 
to part the feathers in such manner as to get the results without damaging speci- 
mens which were only loaned. But while the result is rather rough looking the 
idea itself seems to be carried out sufficiently for the purpose of demonstration. 
The bird on the left, (no. l) supposedly A. gubernator calif ornicus , showing only 
black middle wing coverts is from the San Francisco Bay (central coast) region, 
the center one (no. 2), showing the innermost coverts entirely black and the rest 
with a decided black tipping is an average bird from Stanislaus County (interior 
valley region) while the one on the right (no. 3) is from southern California, 
