84 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
Island, the top of head, cervix, and sides of neck are tinged 
with yellow, and the malar region, auriculars, chin, and throat 
are more or less tinged with gray. The yellow is faintly indi- 
cated in the two November males of the Expedition (Nos. 
1315, 1316). These peculiarities of coloration are not noted 
in the original description of the species or in the other de- 
scriptions consulted. 
The five specimens of D. immutabilis mentioned above yield 
the following measurements in millimeters: 
No Sex Wing Tail Culmen Uppes Mendis Tarsus pedal 
Depth | Width Claw 
CS ee ee ee ee 
of 491 136 100 Meech |) LU 81.5 110.4 
of 474 133 DO 261285971580, 107 
SOU oe 500 150 108 27 30.4 | 84.8 | 116 
of 493 151 108.5 | 28.2 | 33 84.8 | 119.5 
2 495 146 102 PW Ges ey 112 
Thalassarche culminata (Gould): CULMINATED ALBATROSS ~ 
Cours—Diomedea culminata, V, 183, 188. 
Satvin—Thalassogeron culminatus, 449, 451; Thalassogeron eximius, 
449, footnote. 
_ GopmMan—Thalassogeron culminatus, liv, 354, pl. 101; Thalassogeron 
eximius, liv, 360. 
Audubon says: “A skin of this bird was sent to me by Dr 
Townsend, who procured it in the Pacific Ocean, not far from 
the mouth of the Columbia River.”? This specimen is pre- 
served in the United States National Museum; its catalogue 
number being 2726. 
Dr. Brewer remarks: “Dr. Cooper has, however, seen a 
skull answering to the description of that of this species in the 
collection of the Academy of Natural Sciences in San Fran- 
cisco. It was taken by Dr. W. O. Ayres from a dead specimen 
found on the outer beach near the Golden Gate.”* This skull, 
wanting the lower jaw, was in the research collection lost by 
the Academy in the Conflagration of April, 1906. Its label 
established its identity as the Ayres specimen. The culmini- 
1 Stanford Univ. , ; 
2 Orn. Biog., v. 5, p. 326. 
3? Water Birds N. A., v. 2, p. 359; cf. Cooper, Proc. Calif. Acad. Sci., v. 4, p. 12. 
