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Pagina 79
Six gill openings , decreasing in length from front to rear ; snout short , rounded ;
mouth very large , mostly lateral ; lower labial furrow well developed ; upper lip
widely expanded posteriorly ; spiracles small , situated far behind eye ; fins of ...
Six gill openings , decreasing in length from front to rear ; snout short , rounded ;
mouth very large , mostly lateral ; lower labial furrow well developed ; upper lip
widely expanded posteriorly ; spiracles small , situated far behind eye ; fins of ...
Pagina 82
Upper lip enclosing posterior part of lower jaw as a free fold extending rearward
past corner of mouth for a distance about equal to horizontal diameter of eye .
Teeth ; noticeably different in the 2 jaws ; Ist 2 to i ( oro ) 4 uppers simple with ...
Upper lip enclosing posterior part of lower jaw as a free fold extending rearward
past corner of mouth for a distance about equal to horizontal diameter of eye .
Teeth ; noticeably different in the 2 jaws ; Ist 2 to i ( oro ) 4 uppers simple with ...
Pagina 505
First dorsal only about 1/4 as long at base as head , brush - shaped with broadly
rounded apex , its posterior margin nearly straight and perpendicular , its free
rear corner , or free lower margin , about as long as base , its origin posterior to
tips ...
First dorsal only about 1/4 as long at base as head , brush - shaped with broadly
rounded apex , its posterior margin nearly straight and perpendicular , its free
rear corner , or free lower margin , about as long as base , its origin posterior to
tips ...
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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 |
Copyright | |
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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