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 89
Pagina 150
... axils of pelvics hardly longer than distance from axils of pelvics to rear margins of orbits , and in most cases consider- ably shorter.62 20a . Only one row of large thorns along tail ; if more than one , those of median row much ...
... axils of pelvics hardly longer than distance from axils of pelvics to rear margins of orbits , and in most cases consider- ably shorter.62 20a . Only one row of large thorns along tail ; if more than one , those of median row much ...
Pagina 153
... axils of pelvics to rear end of second dorsal as long as distance from axils of pelvics to rear margins of spiracles , or longer ; distance from origin of first dorsal to tip of tail about as long as distance from level of rear margins ...
... axils of pelvics to rear end of second dorsal as long as distance from axils of pelvics to rear margins of spiracles , or longer ; distance from origin of first dorsal to tip of tail about as long as distance from level of rear margins ...
Pagina 220
... axils of pectorals . Tail with lateral folds beginning posterior to axils of pelvics by a distance about / , as long as eye and extending nearly to tip ; its length from center of cloaca to origin of first dorsal fin about 76 % as great ...
... axils of pectorals . Tail with lateral folds beginning posterior to axils of pelvics by a distance about / , as long as eye and extending nearly to tip ; its length from center of cloaca to origin of first dorsal fin about 76 % as great ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Suborder Myliobatoidea | 331 |
Dasyatis say | 378 |
10 sezioni non visualizzate
Altre edizioni - Visualizza tutto
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