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 6
... tooth - like in structure , have an extensive pulp cavity , and are tipped with an enamel - like substance of ectodermic origin . Furthermore , the scales of a shark are not only short - lived but increase in number as it grows ...
... tooth - like in structure , have an extensive pulp cavity , and are tipped with an enamel - like substance of ectodermic origin . Furthermore , the scales of a shark are not only short - lived but increase in number as it grows ...
Pagina 12
... tooth is shed " ( 45 : 272 Goodrich ) . - A persistent spiracular opening is present in only a few ( polypteroids , some aci- penserids , and polyodontids ) . The nasal cavities end blindly in the great majority ; however , in ...
... tooth is shed " ( 45 : 272 Goodrich ) . - A persistent spiracular opening is present in only a few ( polypteroids , some aci- penserids , and polyodontids ) . The nasal cavities end blindly in the great majority ; however , in ...
Pagina 295
... tooth characters of the adult cannot be used in identifying the young . However , the deep narrow cheek as well as the slender mandible with its upper margin not rising abruptly to form an angle in the mouth will aid in separating young ...
... tooth characters of the adult cannot be used in identifying the young . However , the deep narrow cheek as well as the slender mandible with its upper margin not rising abruptly to form an angle in the mouth will aid in separating young ...
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