. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds. PSITTACI: PABBOTS. 495 characters afforded by the caroti^ arteries and ambiens muscle. I. Pal^oenithid^ : Carotids two (except in Cacatua), the left normal, and no amb
. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and Lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds. Birds; Birds. PSITTACI: PABBOTS. 495 characters afforded by the caroti^ arteries and ambiens muscle. I. Pal^oenithid^ : Carotids two (except in Cacatua), the left normal, and no ambiens. 11. PsiTTACiDiE: Carotids two, the left superficial, the ambiens present in one series of genera, absent in others. lu the sub- family (1) PaltBornithinie, there is no further deviation; in (2) Cacatuinm, besides the lack of a right carotid in Cacatua itself, the orbital ring is completely ossified, and develops a bony process bridging in the temporal fossa; in (3) StringopwuB, which includes the curious flightless ground Parrot or owl Parrot of New Zealand (Strmgops habroptilus), the furculum and sternal keel are deficient or defective. Psittaeidm include (4) the Arince, in which the ambiens muscle. mmm Fig. 347. — Carolina Parroquet, J nat size. (Prom Brelim, after Audubon.) is present; (5) Pyrrhurince, in which it is absent, without further modification; (6) Platy- cerdnee, no ambiens and no furculum; (7) Chrysotina, no ambiens, no furculum, and no oil- gland. There are thus 7 subfamilies of 2 families of Psittaci. "Parrots abound in all tropical countries, but, except in Australia and New Zealand, rarely extend into the temperate zone. The Indian and ^Ethiopian regions are poor in parrots, while the Australian is the richest, containing many genera and even whole families peculiar to ; (Newton.) The highest authority, Finsch, recognizes 354 species as well deter- mined, distributing them in 26 genera; 142 are American, 23 African, and 18 Asiatic; the Mo
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1894
