Fishes of the Western North Atlantic, Edizione 1,Parte 3John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
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Pagina 3
... tail . In a great majority the scales are wholly of mesodermic origin and are embedded in the skin below the epidermis . The outer surface of the scales consists of a simple calcified layer in most but of an enamel - like substance ...
... tail . In a great majority the scales are wholly of mesodermic origin and are embedded in the skin below the epidermis . The outer surface of the scales consists of a simple calcified layer in most but of an enamel - like substance ...
Pagina 28
... tail not depressed or completely mailed ; gill rakers lanceolate . 22. Gill membranes joined to isthmus . Acipenser Linnaeus 1758 , below . 2 b . Gill membranes free from isthmus and broadly connected between themselves . Huso Brandt ...
... tail not depressed or completely mailed ; gill rakers lanceolate . 22. Gill membranes joined to isthmus . Acipenser Linnaeus 1758 , below . 2 b . Gill membranes free from isthmus and broadly connected between themselves . Huso Brandt ...
Pagina 33
... tail when the fish is lying in a natural position . FORK LENGTH ( FL ) is measured from the tip of the snout to the posterior end of the median caudal rays — that is , to the fork of the tail . [ In specimens less than five inches ( 125 ...
... tail when the fish is lying in a natural position . FORK LENGTH ( FL ) is measured from the tip of the snout to the posterior end of the median caudal rays — that is , to the fork of the tail . [ In specimens less than five inches ( 125 ...
Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
Text and Footnote References | 105 |
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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione estratti - 1948 |
Fishes of the Western North Atlantic: Editorial Board: Editor-in-chief John ... Visualizzazione estratti - 1948 |
Parole e frasi comuni
abund Acad adults Amer anal fin Anchovia Anchoviella anteriorly Atlantic Atlantic Salmon base of caudal base of pelvic body Brazil Bull Canada Capelin caudal fin Caudal peduncle cent of standard Clupea coast color Cuba Cuvier and Valenciennes depth descr diagn diameter dorsal fin Fin rays Florida Fowler genus gill rakers Gulf Gulf of Maine head Hildebrand Hist Jordan and Evermann Lake last ray length of base longest rays lower limb mandible margin maxillary mouth North opercle orig origin of anal Pectoral fin pelvic fin Philad Poey Poiss posterior postorbital pounds Proc Proportional dimensions range reaching refs River Salmon scutes Shad slender spawning species specimens standard length Study Material synon Synonyms and References Tarpon teeth type local U. S. Bur U. S. Comm U. S. Fish Comm U. S. nat USNM usually Valenciennes Ventral scutes Vertebrae Woods Hole young Zool