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abdomen adults anal angle anterior apical appear armed basal base body brachycephals broad brown California caudal cavities cerci characters closely collected color convex curved dark described developed diameter differences distinct dorsal edge equal extending female figure Fishes fossa fossæ four genus greater greatest hairs half head human inner keel known larger lateral legs length less light lobes locality longer lower male margin marked measurements middle moderately narrow National Museum nearly oblique outer ovipositor pair peduncle Plate portion posterior femora posteriorly present probably Proc prominent pronotum rays relative Right rounded scales scarcely segment separated shell short shorter side skull slender slightly smaller space species specimens spines strongly surface taken teeth thin third upper usually ventral whorls width wing young
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...
Página 490 - Top of head naked ; cheeks and opercles scaled like the body ; liody covered with rather small, adherent, cycloid scales ; lateral line present; no luminous spots. Dorsal fin short, rather anterior ; pectorals moderate, inserted high ; ventrals anterior, not far behind pectorals, large, the inner rays longer than the outer; anal short; caudal narrow, forked. Vent posterior, much nearer base of caudal than base of ventrals.
Página iii - Proceedings series, begun in 1878, is intended primarily as a medium for the publication of original papers, based on the collections of the National Museum, that set forth 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...
Página 490 - ... teeth, the inner and larger depressible. Palatine teeth similar, smaller, in a single broad band. Lower jaw with a band of rather large teeth, the inner and larger teeth depressible ; a patch of strong, depressible teeth on the tongue in front, and a long row along the hyoid bone. Jaws nearly equal.
Página 162 - ... Postnuclear whorls two and one-third, well rounded, marked by 80737°— Bull. 91—15 12 numerous equal and equally spaced, very fine, spiral striations and equally fine, decidedly, retractively, curved lines of growth, the combination of the two lending the surface a minutely reticulated appearance. Sutures well impressed. Periphery of the last whorl well rounded. Base moderately rounded, depressed at the umbilical area which is covered by a strong callus. The base, excepting the umbilical...
Página i - ADVERTISEMENT. The scientific publications of the National Museum consist of two series — the Bulletin and the Proceedings. The Bulletin, publication of which was begun in 1875, is a series of more or less extensive works intended to illustrate the collections of the US National Museum and, with the exception noted below, is issued separately.
Página 489 - Body oblong or elongate, little compressed, covered with cycloid scales, rarely naked. Mouth very wide, the entire margin of the upper jaw formed by the long and slender premaxillaries, closely adherent to which are the slender maxillaries, the latter mostly rudimental or obsolete, never widened at tip.
Página 237 - ... head ; maxillary without supplemental bone, not slipping under the very narrow preorbital ; its surface silvery, like the rest of the head ; base of mandible scaly, a slit between it and the preorbital to permit its free motion ; both jaws with slender, villiform teeth ; no incisors, canines, nor molars ; no teeth on...
Página 113 - Laguna, larvse in a well hole by the edge of a lake; San Diego, in an old water vat on a wharf; Sweetwater Junction, in pools in a stream bed; San Luis Obispo, in a pool in a rocky canyon (AN Caudell); Avalon, Santa Catalina Island, in a rainwater barrel; Chico, in a hors'e trough (AN Caudell); Plant Introduction Garden, near Chico, in a barrel in a small stream: Klamath Falls, Oregon, a captured specimen. 7y;><;.— Cat. No. 10008, USNM The larva falls in the table...