Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1953 |
Dall'interno del libro
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Pagina 149
... surface of disc not freckled with many small dark dots . Breviraja spinosa Bigelow and Schroeder 1950 , p . 306 . Iob . Snout anterior to orbits about 3.3 times as long as dis- tance between orbits ; first and second dorsal fins ...
... surface of disc not freckled with many small dark dots . Breviraja spinosa Bigelow and Schroeder 1950 , p . 306 . Iob . Snout anterior to orbits about 3.3 times as long as dis- tance between orbits ; first and second dorsal fins ...
Pagina 150
... surface of disc and tail uniform brown , darker than upper surface . Raja bathyphila Holt and Byrne 1908 , p . 159 . 17b . Lower surface of disc and of tail paler than upper surface , either uniformly whitish , gray , or fawn - colored ...
... surface of disc and tail uniform brown , darker than upper surface . Raja bathyphila Holt and Byrne 1908 , p . 159 . 17b . Lower surface of disc and of tail paler than upper surface , either uniformly whitish , gray , or fawn - colored ...
Pagina 164
... surface uniform grayish brown with greenish tinge ( after many years in alcohol ) , without definite markings ; outer edges of pectorals and pelvics shading to darker . Lower surface of disc and pelvics uniform chocolate brown , except ...
... surface uniform grayish brown with greenish tinge ( after many years in alcohol ) , without definite markings ; outer edges of pectorals and pelvics shading to darker . Lower surface of disc and pelvics uniform chocolate brown , except ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Suborder Myliobatoidea | 331 |
Dasyatis say | 378 |
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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 Visualizzazione estratti - 1948 |
Parole e frasi comuni
Acad Amer axils of pectorals batoids Bigelow and Schroeder biol Brazil breadth 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 Jersey Jordan Lacépède length of base Linnaeus listed lobe long as distance Lower surface mature males Müller and Henle Narcine nasal curtain pectoral fins pelvic fins Philad Poiss posterior margin prickles Proc Raja rearward Rio de Janeiro rostral rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse Trygon type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool