Dall'interno del libro
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Pagina 44
Petromyzon inhabits only the western North Atlantic , while Lampetra , which also
is marine and anadromous along the coasts of Europe and northern Asia , is
confined to fresh water in North America . 46 Key to Genera of the Northern ...
Petromyzon inhabits only the western North Atlantic , while Lampetra , which also
is marine and anadromous along the coasts of Europe and northern Asia , is
confined to fresh water in North America . 46 Key to Genera of the Northern ...
Pagina 84
This species is not sufficiently abundant in American waters to be of any special
importance , although such as are taken off Cuba are utilized for their oil . In the
North Sea , any that are caught are marketable in Germany , even though the ...
This species is not sufficiently abundant in American waters to be of any special
importance , although such as are taken off Cuba are utilized for their oil . In the
North Sea , any that are caught are marketable in Germany , even though the ...
Pagina 154
But it is now more than 100 years since Basking Sharks have been plentiful
enough on the western side of the North Atlantic for more than incidental capture
. With its large yield one might wish that the liver oil of the Basking Shark had a
high ...
But it is now more than 100 years since Basking Sharks have been plentiful
enough on the western side of the North Atlantic for more than incidental capture
. With its large yield one might wish that the liver oil of the Basking Shark had a
high ...
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Sommario
LANCELETS By Henry B BIGELOW and Isabel PÉREZ FARFANTE | 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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Altre edizioni - Visualizza tutto
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione frammento - 1948 |
Fishes of the Western North Atlantic, Edizione 1,Parte 3 John Tee-Van Visualizzazione frammento - 1948 |
Parole e frasi comuni
2nd dorsal abund Acad Amer anal appears Atlantic base Bermuda biol breadth Brit broad Bull Carcharias caudal Characters close coast Comp concave considerably Copeia corner Cuba cusps descr developed distance dorsal fin edges embryos Fauna feet female Fish Florida Fowler front of mouth furrow genus gill openings Gulf habits Harv head Hist ident inner Island Jersey Jordan known larger latter least length less listed lobe lower male margin moderately mouth nearly North nostrils origin outer pectoral pelvics Philad Poiss posterior probably Proc range rear record References relatively reported ridges rounded Second dorsal seen separate Shark side slightly snout South southern species specimens Squalus Stewart Springer taken teeth tooth total length Trunk U.S. Comm U.S. nat upper vertical height West western Woods Hole York Zool