BIRDS LARIDAE — CHEOICOCEPHALUS CUCULLATUS. 85 1 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When col- 
lected. 
Whence obtained. 
Orig. 
No. 
Length. 
Stretch 
ofwings 
Wing. 
Remarks. 
6541 
6473 
4929 
4318 
4319 
5642 
4163 
"s 
3 
Q 
Cab. G. N. Lawrence 
Pupil, feet, and bill (?) dark blue ; eyes 
with hazel ring. 
16.50 
39.50 
12.50 
13 00 
13.00 
13.00 
do 
16. 00 
17.00 
16.50 
Brazos, Texas 
Mar. 27,1855 
Mar. 26,1853 
Capt. J. Pope 
Capt. Van Vliet... 
38 
14 
40.50 
39.50 
13.25 
13.00 
Bill and gums red, eyes dark, feet dark 
gray. 
CHEOICOCEPHALUS PEANKLINII, Bruch. 
Franklin's Rosy Gull. 
Larus franklinii, Rich. F. B. A. II, 1831, 424 ; pi. lxxi.— Nutt. Man. II, 1834, 293.— Aud. Birds Am. VII, 
1844, 145, (not figured.) 
Chroicocephalus franldinii, Bruch, Cab. Jour. 1855, 289. 
Sp Ch. — Adult. Head and upper part of neck black, with a plumbeous hue on the fore part of the neck extending a little 
lower than it does behind ; both eyelids white, except in front ; lower part of neck, under plumage, rump, and tail white ; the 
under surface and interior lining of the wings deeply tinged with peach-blossom red ; back and wings dark bluish gray ; the 
outer web of the first primary is black nearly to the end, the inner web of the first and both webs of the four next are crossed 
with a subterminal black band about two inches wide on the outer and lessening to a half inch on the fifth; all the quill feathers 
end with white, on the first primary it is about one inch in extent ; shafts of all the primaries and the inner web of the first 
white, the other primaries are the same color as the back, except on the inner edge of the inner web and immediately adjoining 
the black bar, where they are white ; bill and legs vermilion. 
Length, 15 inches ; wing, 12 ; tail, 4i ; bill, ]| ; tarsus, 1|. 
Hab. — Missouri river ; interior of fur countries. 
There are four specimens of this heautiful and well marked species in the collection, two of 
them in perfect plumage, in which a delicate roseate tint on the neck and under surface is very 
apparent. It is easily distinguished from G. atricilla hy its much darker hood and the very 
differently colored primaries. 
List of specimens. 
Catal. 
No. 
age. 
Locality. 
When col- 
lected. 
Whence obtained. 
Collected by— 
Length. 
Stretch 
of wings. 
Wing. Remarks. 
4897 
3 
April 28, 1856 
Lieut. Warren 
Dr. Hayden.... 
15.00 
38.12 
5784 
Q 
July 14,1856 
W. S. Wood, 
5790 
o 
CHROICOCEPHALUS CUCULLATUS, Lichtenstein. 
The Hooded Gull. 
" Chroicocephalus ciicullatus, Licht." Bruch, Rev. Lar. in Cab. Jour. 1855, 290. 
Sp. Ch. — Jldult. Hood plumbeous black, with an oval white spot over the eye and another on the hind part of the lower eye- 
lid, both extending backward; the entire neck, upper tail coverts, and under plumage pure white ; back and wings ash blue, 
about the shade of franklinii ; primaries bluish ash, the first black on the outer web and for one quarter its length on the inner 
