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 111
... posterior margin approximately vertical , its lower margin only weakly convex at most . 3a . Disc conspicuously marked above with white vermiculations on a dark ground . vermiculatus Breder 1928 . Pacific Coast of Mexico . 3b . Disc ...
... posterior margin approximately vertical , its lower margin only weakly convex at most . 3a . Disc conspicuously marked above with white vermiculations on a dark ground . vermiculatus Breder 1928 . Pacific Coast of Mexico . 3b . Disc ...
Pagina 111
... posterior margin approximately vertical , its lower margin only weakly convex at most . 3a . Disc conspicuously marked above with white vermiculations on a dark ground . vermiculatus Breder 1928 . Pacific Coast of Mexico . 3b . Disc ...
... posterior margin approximately vertical , its lower margin only weakly convex at most . 3a . Disc conspicuously marked above with white vermiculations on a dark ground . vermiculatus Breder 1928 . Pacific Coast of Mexico . 3b . Disc ...
Pagina 116
... posterior margin of nasal curtain smooth in large specimens , weakly zigzag in small , or perhaps even irregularly and narrowly fringed , with a low median projection in some preserved specimens ; outer half of posterior margin of ...
... posterior margin of nasal curtain smooth in large specimens , weakly zigzag in small , or perhaps even irregularly and narrowly fringed , with a low median projection in some preserved specimens ; outer half of posterior margin of ...
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