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 81
Pagina 490
... Dorsal fin : vertical height 4.0 , 4.6 ; length of base 5.1 , 6.3 . Pelvics : anterior ( outer ) margin 6.7 , 6.5 . Distance : from center of snout to center of cloaca 40.2 , 44.3 ; from center of cloaca to tip of tail 68.2 , 71.0 ...
... Dorsal fin : vertical height 4.0 , 4.6 ; length of base 5.1 , 6.3 . Pelvics : anterior ( outer ) margin 6.7 , 6.5 . Distance : from center of snout to center of cloaca 40.2 , 44.3 ; from center of cloaca to tip of tail 68.2 , 71.0 ...
Pagina 499
... Dorsal fin : vertical height 4.5 ; length of base 5.6 . Pelvics : anterior ( outer ) margin 4.2 . Distance : from tip of snout to center of cloaca 43.5 . 0 Disc , exclusive of cephalic fins , a little more than 2.3 times as broad as ...
... Dorsal fin : vertical height 4.5 ; length of base 5.6 . Pelvics : anterior ( outer ) margin 4.2 . Distance : from tip of snout to center of cloaca 43.5 . 0 Disc , exclusive of cephalic fins , a little more than 2.3 times as broad as ...
Pagina 536
... fin ; jugular mucous canal meets oral canal some distance downward from orbital canal . 9a . First dorsal fin with apex extending consider- ably beyond tip of spine , its anterior margin considerably longer than distance from tip of ...
... fin ; jugular mucous canal meets oral canal some distance downward from orbital canal . 9a . First dorsal fin with apex extending consider- ably beyond tip of spine , its anterior margin considerably longer than distance from tip of ...
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