RMRGE02J–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 206 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY rays (36-39), and fewer (9-11) gill rakers (Fig. 1), but a larger number of scales (132-148) as is the case in M. merluccius. Armed with this knowledge, the 2962 silver hakes that were taken in 1953 were examined in these respects, with the result that while 535 of them proved to be typical bilinearis, 2427 of them yielded the counts that had been credited to M. merluccius in published accounts of the latter. And comparison between these "Cap'n Bill II" specimens
RMBFWF9E–Silver hake
RMRGE02A–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. 1. Right, first gill arch from Merluccius albidus 36S mm. long, and left, from Merluccius bilinearis 331 mm. long, about 0.9x. bilinearis1—also includes representatives of a second form that resembles M. merluccius more closely than it resembles bilinearis, and which (from his excellent account) we judge to be identical with the "Cap'n Bill II" series of M. merluccius affinity. Ginsburg described this hake as a species distinct from M. merluccius under the name albidus Mitchill 1818, with pectoral fins
RMREFTHX–. Commercial fisheries review. Fisheries; Fish trade. 53 collecting bin onthe front of Alvin and stayed there for more than an hour. Most fish paid little attention to the sub until it came within about 2 feet. Then they tended to move away without any panic or haste. Silver Hake Echo-sounder traces usually attributed to silver hake (Merluccius bilinearis) were abundant in midwater before the second dive. When we submerged at 11 a.m., these traces were ne aring the bottom. When the sub reached the bottom, small groups of silver hake were seen moving along slowly, mostly within 1 fathom or so o
RMRHP07A–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SWIMBLADDER GAS COMPOSITION 81 DEPTH IM M. 0. SEBA^TES a = 12 23H560I23H567 012345^780 ATM Ain n- 23H567S? ATM.H, FIGURE 3. Partial pressures of nitrogen in the swimbladders of Urophycis chesteri, Mer- luccius bilinearis, Macrourus bairdii, and Sebastcs marinus. The data suggest that the nitrogen in excess of 0.8 atmosphere increases linearly with depth from a value of zero at the surface. The different slopes of the lines indicate that the proportions of nitrogen and oxygen secreted are different in different species. 30 20
RMRG980H–. Bulletin - United States National Museum. Science. tl-. --*4C' Figure 64.—Holotype of Aporops bilinearis Schultz (U.S.N.M. No. 115336), from Hull Island, Phoenix group. (Drawing hj Aime M. Awl.) snout to rear edge of maxillary 2.1 to 2.2; fleshy interorbital space 13 to 15; postorbital length of head 1.6; length of longest ray of pectoral fin 1.7 to 1.8; least depth of caudal peduncle 3.5 to 3.6; longest dorsal spine (third to fifth) 5.2 to 5,5; all in length of head. Least depth of caudal peduncle in its length 1.0 to 1.1. Scales ctenoid, very numer- ous, and becoming much smaller on dorsal
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