BIRDS — CORVfDAE — PSILORHrtfUF ;,9 1 
List of specimens. 
Catal. 
No. 
530 
1920 
8850 
8854 
8848 
8852 
8849 
8851 
Sex and 
age. 
Locality. 
When 
collected. 
Whence obtained. 
Orig. 
No. 
Collected by— 
Length. 
Stretch 
of wings. 
Wing. 
Remarks. 
O 
Oct. 6 
N. W. University. 
Lt. Warren 
9 
9 
9 
Black Hills 
Sept. 13 
Dr. Hayden.... 
10.25 
10.25 
11.25 
11.00 
11.00 
11.25 
10.75 
16.25 
17.00 
18.50 
16.50 
17.12 
17.50 
15.50 
5 50 
5.50 
6.00 
5.50 
5.75 
5.50 
5.50 
Eye black 
Oct. 1 
do 
8858 
8847 
8452 
8451 
8453 
8454 
5904 
4402 
$ 
12.00 
18.50 
6.00 
Sangre del Cristo Pass, Utah. 
Capt. Beckwith.. 
5 
554 
61 
61 
Aug. 26,1856 
Mar. 10, 1854 
11.25 
10.50 
10.50 
17.25 
16.50 
16.75 
Bill and feet black. 
do 
Cascade mountains, W. T . . 
T.t. Williamson . . . 
1 
PSILORHINUS, R tip pel. 
Psilorhinus, Ruppel, Mas. Scnck. 1837, 188' Type Pica morio, Wagler. 
Ch. — Color very dull brown above. Bill very stout, compressed, without notch ; higher than broad at the nostrils ; culmen 
curved from the base. Nostrils rounded ; the anterior extremity rounded oft" into the bill ; not covered by bristles, but fully 
exposed. Tail rather longer than the wings, graduated ; the lateral feather three-fourths the longest ; secondaries and tertials 
nearly as long as the primaries. Legs stout and short, not equal to the head, and little longer than the bill from base. 
This genus embraces jays of large size and very dull plumage. The thick bill, with the much 
curved culmen, the moderate tail, and the open nostrils, may serve to distinguish it from its 
allies. The nostril is very large, and its anterior portion is bevelled off to a greater degree than 
in any genus, except in Calocitta. This last metitioned genus has the same form of bill and of 
nostrils, but the head has a long recurved crest ; the tail is twice as long as the wings ; the 
lateral feather nearly half the middle ; the lateral tarsal plates scutellate for the inferior 
half, &c. 
In the shape of the bill and the shortness of the primaries, compared with the broad tertials 
and secondaries, there is much resemblance to Xanthoura. The nostrils are, however, uncovered, 
the legs much stouter and shorter, being shorter than the head instead of longer ; the tail 
feathers are broader, &c. 
Comparative measurements of species. 
| Catal No. 
Locality. 
m 
Length. 
Stretch of 
Tail. 
B 
Its claw 
Hind toe 
and claw. 
Hind claw 
alone. 
Bill above. 
Along gape. 
Specimen 
4114 
Psilorhinus morio 
China, New Leon 
9 
15. £0 
7.16 
8.53 
1.80 
1.48 
0.44 
1.42 
1.48 
1.20 
0.56 
Skin 
do. 
15.17 
16.60 
16.00 
122.00 
7.12 
7.70 
8.00 
7.56 
7.23 
4116 
3 
8.37 
1.81 
1.50 
0.46 
1.47 
1.50 
1.24 

0.56 
do. 
24.00 
4115 
San Diego, New Leon.. 
15.70 
8.54 
12.50 
1.82 
1.72 
1.50 
1.50 
0.46 
1.46 
1.45 
1.48 
1.60 
1.17 
1,14 
0.56 
0.54 
12.54 
Calocitta bullockii* 
Lower California 
20.20 
0.52 
Skin 
* Not of Audubon. 
