Proceedings of the United States National Museum

Front Cover
U.S. Government Printing Office, 1881 - 16 pages
 

Other editions - View all

Common terms and phrases

Popular passages

Page 71 - The ventrals extend nearly to the vent, and their length is contained 4 times in the distance from the tip of the snout to the end of the...
Page 1 - Notice of recent additions to the marine invertebrata of the northeastern coast of America, with descriptions of new genera and species and critical remarks on others.
Page 363 - In the male the left dorsal arm becomes thickened and larger from front to back, and usually is curled backward ; its suckers become smaller and much more numerous than on the right arm. being arranged in four crowded rows, except near the base, where there are but two ; the suckerstalks also become stout, and cylindrical or tapered, their diameter equaling that of the suckers. The right arm remains normal, with two alternating rows of suckers, regularly decreasing to the tip, as in both the dorsal...
Page 364 - Loc. cit., p. 393. Arms long, tapering, the lateral pairs equal; the dorsal and ventral about equal, somewhat shorter than laterals; tentacular arms slender, compressed (the ends absent). Fins small, thin, transversely rhomboidal, white. Color reddish brown. The ventral surface of the body, head, and arms is more ornamented than the dorsal surface, being covered with, large, rounded...
Page 526 - Copei. It is eyeless, and is, on this account alone, worthy of being distinguished generically from Spirostrephon, though the absence of pores asserted by Dr. Packard, would also constitute another character. Spirostrephon possesses a series of lateral pores as I have pointed out in accordance with Wood's view.f This genus may be then named Scoterpes. I look for the discovery of S. cavernarum in the Mammoth Cave. Two species of Arachnidans were observed, one a true spider, the other related to the...
Page 363 - ... with a smooth rim. In the female the corresponding suckers are about twice as broad as the rest on the lateral arms. The suckers are in two regular rows on the lateral and ventral arms, in both sexes. In the male the left dorsal arm becomes thickened and larger from front to back, and usually is curled backward ; its suckers become smaller and much more numerous than on the right arm.
Page 365 - Body stout, ovate, very soft and flabby. Head large, as broad as the body ; eyes large, their openings small. Arms rather stout, not very long, webbed nearly to the ends, the dorsal 60™" longer than the ventral arms ; suckers large, simple, in two alternating rows.
Page 485 - ... of anal between the rays; dorsal gray; in front of the seventh dorsal the upper third posterior to the upper two-thirds dark brown; spots of yellow, large, elongate, on or near the rays ; adipose fin whitish brown or yellow, a large group of bright yellow confluent spots at the base; pectorals sepia-colored, with rosy and purplish iridescence. (Goode & Bean.) Deep waters of the western Atlantic, at times very abundant ; now rare or almost extinct.
Page 365 - ... commissures, the former placed in the median line, at the base of the siphon : free end of the siphon short, well forward. In the male the right arm of the third pair is hectocotylized and developed in a sack in front of the right eye; as found in the sack it is curled up and has two rows of suckers; the groove along its edge is fringed; near the end the groove connects with a rounded, obliquely placed, lateral, concave lobe, with interior plications. The terminal portion of the arm is a lanceolate...
Page 267 - Bay, near Cape Flattery, at the entrance to the Straits of Juan de Fuca. It is found in the greatest abundance at this locality under rocks between tide-marks. It is less active in its movements than the species of Oligocottus, and unlike them it is often found out of the water, left in damp places under the rocks by the receding tide. The following species...

Bibliographic information