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
Risultati 1-3 di 84
Pagina 531
... caudal . Height of upper side of caudal above axis about half as great as height of second dorsal , the length of rayed portion of caudal about as great as distance from tip of snout to middle of eye ; lower side of caudal below axis ...
... caudal . Height of upper side of caudal above axis about half as great as height of second dorsal , the length of rayed portion of caudal about as great as distance from tip of snout to middle of eye ; lower side of caudal below axis ...
Pagina 552
... caudal fin . Males , 545 and 558 mm long to origin of upper caudal , from Lat . 42 ° 40 ′ N , Long . 64 ° oo ' W and vicinity ( Harv . Mus . Comp . Zool . , Nos . 37023 and 37022 , respectively ) . Trunk : breadth 8.6 , 9.0 ; height ...
... caudal fin . Males , 545 and 558 mm long to origin of upper caudal , from Lat . 42 ° 40 ′ N , Long . 64 ° oo ' W and vicinity ( Harv . Mus . Comp . Zool . , Nos . 37023 and 37022 , respectively ) . Trunk : breadth 8.6 , 9.0 ; height ...
Pagina 555
... caudal . Second dorsal separated from upper origin of caudal by an interspace about 1.5 times as long as eye . Caudal lanceolate , tapering to narrow tip prolonged as a slender band - like filament ; its total length from lower origin ...
... caudal . Second dorsal separated from upper origin of caudal by an interspace about 1.5 times as long as eye . Caudal lanceolate , tapering to narrow tip prolonged as a slender band - like filament ; its total length from lower origin ...
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