Proceedings of the United States National Museum, Volumen30

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Smithsonian Institution Press, 1906
 

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Página 261 - E. at the end of the first week, and at the end of the second week, after the clearance.
Página iii - Museum, and setting forth newlyacquired facts in biology, anthropology, and geology derived therefrom, or containing descriptions of new forms and revisions of limited groups. A volume is issued annually, or oftener, for distribution to libraries and scientific establishments, and in view of the importance of the more prompt dissemination of new facts a limited edition of each paper is printed in pamphlet form in advance.
Página 320 - Sci., vol. 3, 1903, pp. 274, 275, pi. 1, figs. 4, 4a. Shell slender, attenuated, brown, lighter on the early whorls, becoming dark on the last. Nuclear whorls two and one-half, large, helicoid, not immersed, projecting somewhat beyond the outline of the spire, their axis being at a right angle to the axis of the later whorls ; post-nuclear whorls at first somewhat rounded, later flattened, marked by well-developed, rather strong, retractive axial ribs, of which 16 appear upon the third and fourth,...
Página 314 - Shell of medium size, narrowly elongate-ovate, umbilicated, yellowishwhite. (Nuclear whorls decollated.) Post-nuclear whorls rather high between the sutures, moderately rounded, very feebly shouldered at the summit, marked by fine lines of growth and numerous, exceedingly fine, closely spaced, spiral striations.
Página 325 - ILltTLIUKENSIS. new species. Plate 29, fig. 4. Shell very elongate-conic, heavy, very light yellow. Nuclear whorls small, almost completely obliquely immersed in the first of the succeeding turns. Post-nuclear whorls rather high between the sutures, well rounded with narrowly tabulate summits, marked by fine, retractive lines of growth and numerous fine, closely spaced spiral striations. Suture well marked. Periphery of the last whorl well rounded. Base rather prolonged, evenly rounded...
Página 296 - Shell large, similar in form to 0. (A.) avettana; white, shining. Nuclear whorls 3, helicoid, quite elevated, deeply immersed in the first of the succeeding whorls, having their axis at a right angle to the axis of the later whorls. Post-nuclear whorls well rounded, with a beveled shoulder at the summits'.
Página 7 - further proclaims that " the basis of a specific or subspecific name is either (1) an identifiable published description, or (2) a recognizable published figure or plate, or (3) the original type, specimen, or specimens absolutely identified as the type or types of the species or subspecies in question.
Página 289 - CARIFA, new species. Plate 20, fig. 4. Shell small, elongate-conic, semitranslucent, bluish-white, nuclear whorls, at least two, large and smooth, forming a depressed helicoid spire, which is a little more than half obliquely immersed in the first of the succeeding turns. Postnuclear whorls well rounded, feebly shouldered at the summit, marked by quite regular, equal and equally spaced, fine spiral lirations, of which 9 occur upon the first and second, 10 upon the third, and 11 upon the penultimate...
Página 303 - Nuclear whorls small, depressed helicoid, smooth, scarcely at all immersed, having their axis at a right angle to that of the later turns, the sides not projecting beyond the outline of the spire. Post-nuclear whorls quite high between the sutures, only slightly contracted toward the periphery and very weakly beveled at the appressed summits, marked by low, broad, retractive axial ribs, which are much more numerous...
Página iii - ... newly acquired facts in biology, anthropology, and geology, with descriptions of new forms and revisions of limited groups. Copies of each paper, in pamphlet form, are distributed as published to libraries and scientific organizations and to specialists and others interested in the different subjects. The dates at which these separate papers are published are recorded in the table of contents of each of the volumes. The series of Bulletins, the first of which was issued in 1875, contains separate...

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