. The water birds of North America . P. aleuticus. the pileum and nape ; a white spot on the lower eyelid. Lower parts, from the jugulum back,immaculate white, the sides, beneath the wings, and the femoral region plumbeous. Dill black,the basal third of the mandible yellowish or pale colored ; iris white ; legs and feet bluish anddusky in life, brownish dusky in the dried skin. Young : Apparently similar to the adult. Total length, inches; extent, ; wing, ; tail, ;culmen, .75; depth of bill at base, .40; tarsus, ; middle toe, with claw, The onl
. The water birds of North America . P. aleuticus. the pileum and nape ; a white spot on the lower eyelid. Lower parts, from the jugulum back,immaculate white, the sides, beneath the wings, and the femoral region plumbeous. Dill black,the basal third of the mandible yellowish or pale colored ; iris white ; legs and feet bluish anddusky in life, brownish dusky in the dried skin. Young : Apparently similar to the adult. Total length, inches; extent, ; wing, ; tail, ;culmen, .75; depth of bill at base, .40; tarsus, ; middle toe, with claw, The only seasonal changes in this very plainly colored species consist apparently in the wrink-ling or corrugation of the nasal shield, especially on top, in the breeding-season. The Aleutian Auk was not mot. with by Mr. Dall among the Aleutian Islands, norby Mr. Elliott among the Prybilof Islands. It is an oceanic species, and is presumedto be an inhabitant of both shores of the Pacific (>cean. Dr. Cooper informs me that all the specimens of this bird which he has obtainedare considerably larger than the measurements given by Mr. Cassin. He found two — THE AUKS — CER0RHYKC1IA. 519 of this species at San Diego, on the shore, after a severe storm, in January, bothbeing dead. These birds are usually to be met with a long distance off the shore,but within sight of land, often rising almost from under the paddle-wheels of thesteamers. In May, 18G3, he found them very numerous on Santa Barbara Island,where they had undermined almost every part of the soft earthy surface with
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
