Proceedings of the United States National Museum, 14. köide

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Smithsonian Institution Press, 1892
 

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Page 303 - List of shells collected on the west coast of South America, principally between latitudes 7° 30' S. and 8° 49
Page 596 - ... third and more largely by the fourth ; loreal, small, quadrangular, longer than high ; oculars, 1-2 anterior short, covered above by superciliary ; postoculars resting on fourth labial ; fifth and sixth labials equal, as high as long ; parietals, large, long ; frontal, longer than wide ; prefrontals, transverse. Internasals partly separated by rostral, which is not very prominent. Inferior labials six; first pair meeting; fourth largest. Postgeneials extremely short. Temporals little larger than...
Page 114 - degenerate," as shown by the reduction of their skeleton. At the same time they are also most decidedly "eel-like," and in some respects, as in coloration, dentition, muscular development, most highly specialized. It is evident that the presence of numerous vertebral joints is essential to the suppleness of body which is the eel's chief source of power. So far as known, the numbers of vertebrae in eels range from 115 to 160, some of the deep-sea eels having probably higher numbers, if we can draw...
Page 409 - During his three years' sojourn in that quarter he managed to infuse into one and all with whom he had any intercourse more or less of his own ardent, zealous, and indefatigable spirit as a collector." Reaching the Canadian border by way of Chicago and Lake Superior, Kennicott left Fort William, on the north shore of Lake Superior at the mouth of...
Page 421 - Bay, and one containing 6 eggs was situated near the beach on a sloping knoll. It was composed of a quantity of hay, down, and feathers intermixed, and this was the general mode of structure of the nests of both swans. It usually lays from 4 to 6 eggs, judging from the noted contents of a received total of 24 nests.
Page 104 - The influence of cold, darkness, monotony, and restriction is to limit the direct struggle for existence, and therefore to limit the resultant changes. In general the external conditions most favorable to fish life are to be found in the tropical seas, among rocks and along the coral reefs near the shore. Here is the center of competition. From conditions otherwise favorable to be found in arctic regions, the majority of competitors are excluded by their inability to bear the cold. In the tropics...
Page 159 - Jenkins, yellowish; five quadrate spots of darker extending from dorsal to a line drawn from middle of eye to lower base of caudal, the anterior one above tip of pectoral; median line of side with a more or less distinct series of small spots; a short dark vertical line behind the eye; a dark blotch in front of origin of dorsal fin and another on humeral region...
Page 609 - Brush Plains of Long Island" (1842, 38). Ditmars (1896, 13) says he has not heard of one being found in Long Island or the vicinity of New York in the last five years. Baird (1854, 21) says "it is quite maritime in its northern distribution, being rarely found in the northern states except near the coast.
Page 604 - Dorsal spots or saddles (red) open at the side, the borders of adjacent spots forming pairs of black rings. Interspaces between red saddles open below ; scales not black-tipped ; front more or less black ; first black ring on nape only : O. d.
Page xxiv - ... little cabins, or shelters, flat-roofed, dirt-covered, and closed in on three sides by wattled flags, canes, and slender branches ; while the front was protected by a hedge like those of the fields, only taller, placed a few feet before the house, and between which and the house burned smoky little fires. The houses were always nestled down among the thick willows bordering the river, or perched on some convenient shelf, under the shadows of the western precipice. In several places, within some...

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