Fishes of the Western North Atlantic: LanceletsSears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
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Pagina 111
... known ; upper jaw very slightly protrusible . Characters otherwise those of the family . Range . Widespread in boreal to warm temperate belts of the oceans in both hemi- spheres ; not known from tropical seas . Species . The genus Lamna ...
... known ; upper jaw very slightly protrusible . Characters otherwise those of the family . Range . Widespread in boreal to warm temperate belts of the oceans in both hemi- spheres ; not known from tropical seas . Species . The genus Lamna ...
Pagina 129
... known angler described it as the only marine enemy of the broadbill swordfish.35 But there is no reason to suppose from the nature of its teeth , or from repute , that it attacks sea turtles . Probably , like most other pelagic sharks ...
... known angler described it as the only marine enemy of the broadbill swordfish.35 But there is no reason to suppose from the nature of its teeth , or from repute , that it attacks sea turtles . Probably , like most other pelagic sharks ...
Pagina 192
... known , nor is the size at birth . Developmental Stages . Sixteen eggs have been counted in a specimen from Ceylon , these being of the " same form as in dog fish . " Whether or not these hatch before birth is not definitely known ...
... known , nor is the size at birth . Developmental Stages . Sixteen eggs have been counted in a specimen from Ceylon , these being of the " same form as in dog fish . " Whether or not these hatch before birth is not definitely known ...
Sommario
LANCELETS BY HENRY B BIGELOW and ISABEL PÉREZ FARFANTE I | 1 |
CYCLOSTOMES BY HENRY B BIGELOW and WILLIAM C SCHROEDER | 29 |
SHARKS BY HENRY B BIGELOW and WILLIAM C SCHROEDER | 59 |
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Parole e frasi comuni
1st dorsal 2nd dorsal Acad Amer anal Anal fin atriopore Aust biol Brazil Brit Bull Carcharhinus Carcharias Carolina Caudal fin caudal peduncle coast Comp concave convex Copeia corner of mouth Cuba cusps Dermal denticles descr diameter of eye distal margin distrib dorsal fin embryos Fauna feet female Fish Florida Fowler front of mouth Garman genus gill opening Gulf of Maine Harv Hist horizontal diameter inner corner inner margin Interspace Jersey labial furrow length in front length of base Linnaeus lobe long as base lower teeth Medit Müller and Henle myotomes North nostrils origin of pectoral outer margin ovoviviparous Pectoral fin Philad Poey Poiss posterior margin precaudal pit Proc Rafinesque refs ridges Second dorsal Shark snout in front specimens spiracles Squalus Stewart Springer total length type species U.S. Bur U.S. Comm U.S. nat upper tooth vertical height Woods Hole Zool zygaena