. Text-book of zoology for junior students. Zoology. DIVISIONS OF BIRDS. 293 in the order Cursores, are so different from one another, that they may be regarded as forming divisions of equal, or nearly equal, value to the " orders " which form the sub-class CarinaUe. SUB-CLASS II. This sub-class includes all the living Birds which have the power of flight, and it therefore comprises the great majority of the entire class of Aves. The Carinate Birds, however, are so similar to one another in their general characters that they can with difficulty be split up into minor secti
. Text-book of zoology for junior students. Zoology. DIVISIONS OF BIRDS. 293 in the order Cursores, are so different from one another, that they may be regarded as forming divisions of equal, or nearly equal, value to the " orders " which form the sub-class CarinaUe. SUB-CLASS II. This sub-class includes all the living Birds which have the power of flight, and it therefore comprises the great majority of the entire class of Aves. The Carinate Birds, however, are so similar to one another in their general characters that they can with difficulty be split up into minor sections. For our present purpose, however, we may divide them into the six orders of the Swimming Birds {Natatores), the Waders {Grallatores), the Scratchers (Rasores), the Climbers {Sca7isores), the Perchers (Tnsessores), and the Birds of Prey (Rrxptores), which orders are more or less natural groups, with the exception of the order Scaiisores. Order I. Natatores. The order of the Swimming Birds comprises birds which are as much at home in the water as u]3on land, or even more s(j. In. Fig. 20S.—A, Head of the Grey Lag Goo,se. B, Foot of the Domestic accordance with their aqiiatic mode of life, the Natatores have a boat-shaped body, generally elongated, and usually having a 20. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Nicholson, Henry Alleyne, 1844-1899. New York, American Book Co
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1885
