Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
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Pagina 70
... less numerous ( when present ) than on spotted specimens of lentiginosus and arranged in symmetrical pattern on both sides of midline ; also , the majority of specimens more or less definitely marked with dark blotches or incomplete ...
... less numerous ( when present ) than on spotted specimens of lentiginosus and arranged in symmetrical pattern on both sides of midline ; also , the majority of specimens more or less definitely marked with dark blotches or incomplete ...
Pagina 131
... less than height above it ; its length nearly as great as distance from origin of first dorsal to rear end of base of second dorsal . Pelvics conspicuously thick and fleshy , their origin either about opposite termination of pectorals ...
... less than height above it ; its length nearly as great as distance from origin of first dorsal to rear end of base of second dorsal . Pelvics conspicuously thick and fleshy , their origin either about opposite termination of pectorals ...
Pagina 133
... less oblique , their inner ends actually separate from mouth though superficially connected with outer corners of latter by shallow furrows ; their expanded inner ( anterior ) margins joined across a broad isthmus in front of mouth and ...
... less oblique , their inner ends actually separate from mouth though superficially connected with outer corners of latter by shallow furrows ; their expanded inner ( anterior ) margins joined across a broad isthmus in front of mouth and ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Genus Zapteryx | 74 |
Suborder Myliobatoidea | 331 |
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Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Visualizzazione estratti - 1953 |
Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and rays John Tee-Van Anteprima non disponibile - 1948 |
Parole e frasi comuni
Acad Amer batoids Bigelow and Schroeder biol Brazil breadth Breder Bull Carolina cartilage caudal fin center of cloaca Chesapeake Bay claspers Coast color Comp concave Copeia Dasyatis Dermal denticles descr distance between inner dorsal fin embryos Evermann exposed nostrils eyes fathoms female Florida Fowler front of mouth front of orbits Garman genus gill openings Gulf Gulf of Maine Harv Hist inner ends Interspace Jersey Jordan Lacépède length of base listed lobe long as distance Lower surface mature males median Müller and Henle nasal curtain pelvic fins Philad Poiss posterior margin prickles Proc Raja Rays rearward Rio de Janeiro rostral rostral cartilage rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool