. The water birds of North America . y, 1S72, 331 ; Check List. ]s73, no. 598; ed. 2, 1882, no. 833.—Salvin, Ibis,1875, 377 (Juan Fernandez). — Ridgw. Nom. N. Am. B. 1881, no. 710. Hap,. Coast of Lower California (San Nicolas),south to the Juan Fernandez group of islands. Sp. Char. Adult: Above, sooty slate, thefeathers of the dorsal and scapular regions, withdistinct terminal margins of paler grayish ; wingsdarker than the back, the remiges nearly black,as is also the tail. Lower parts white, the malarregion, sides of the throat, and sometimes theanal region indistinctly barred, or transverse


. The water birds of North America . y, 1S72, 331 ; Check List. ]s73, no. 598; ed. 2, 1882, no. 833.—Salvin, Ibis,1875, 377 (Juan Fernandez). — Ridgw. Nom. N. Am. B. 1881, no. 710. Hap,. Coast of Lower California (San Nicolas),south to the Juan Fernandez group of islands. Sp. Char. Adult: Above, sooty slate, thefeathers of the dorsal and scapular regions, withdistinct terminal margins of paler grayish ; wingsdarker than the back, the remiges nearly black,as is also the tail. Lower parts white, the malarregion, sides of the throat, and sometimes theanal region indistinctly barred, or transverselyspotted, with grayish. Flanks and crissum sootygrayish. Lining of the wing white, the featherswith dusky shaft-streaks. Bill pale yellowishhorn-color or buffy, the ungui horn-gray, and theculmen dusky ; legs and feet flesh-color in life,light brownish in the dried skin. Total length, about 19 inches; extent, 45;wing, ; culmen, ; depthof bill through base, . ; tarsus, ;middle toe, 384 THE TUBE-NOSED SWIMMERS — TUBINARES. Nothing is known as to the habits or habitat of this form, whose specific validityis not free from doubts. A single individual was procured on San Nicolas Island, inCalifornia, said to be about the size of P. major. It is not referable to any otherknown species, and Dr. Cooper has no doubts as to its validity. He thinks that itshabits and those of Prion-Uu r//nri,ilouI>. very similar. He states that they associatetogether along the coast from San Francisco south. Dr. Cooper has seen and observedboth species during the six warmer months of the year, but was unable to learn any-thing in regard to their breeding on any part of our coast. He considers it quiteprobable that they may breed on some of the distant Pacific islands in the are generally seen in flocks several miles off the shore, flying, like the Alba-tross, by rapid flappings, alternating with sailings. They congregate quickly ar


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884