. Comparative zoology, structural and systematic : for use in schools and colleges. Zoology; Anatomy, Comparative; Physiology, Comparative. VERTEBRATA. 347 which are adapted for flight, the fingers being immense- ly lengthened, and united by a membranous web. The toes, and one or two of the fingers, are armed with hooked. Fig. 339.—Bat (VesperUlio). nails. The clavicles are remarkably long, and the ster- num is of great strength ; but the whole skeleton is ex- tremely light, though not filled with air, as in Birds. The eyes are small, the ears large, and the sense of touch is very acute. The f
. Comparative zoology, structural and systematic : for use in schools and colleges. Zoology; Anatomy, Comparative; Physiology, Comparative. VERTEBRATA. 347 which are adapted for flight, the fingers being immense- ly lengthened, and united by a membranous web. The toes, and one or two of the fingers, are armed with hooked. Fig. 339.—Bat (VesperUlio). nails. The clavicles are remarkably long, and the ster- num is of great strength ; but the whole skeleton is ex- tremely light, though not filled with air, as in Birds. The eyes are small, the ears large, and the sense of touch is very acute. The favorite attitude of a Bat when at rest is that of suspension by the claws, with head downward. They are all 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 Orton, James, 1830-1877; Birge, E. A. (Edward Asahel), 1851-1950. New York : Harper & Bros.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1883
