Fishes of the Western North Atlantic: Sawfishes, guitarfishes, skates and raysJohn Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
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Pagina 11
... described on p . 145. But they are in little demand elsewhere . None of the other batoids are of any great commercial importance , for while Rays in considerable variety are brought in to fish markets in tropical ports in various parts ...
... described on p . 145. But they are in little demand elsewhere . None of the other batoids are of any great commercial importance , for while Rays in considerable variety are brought in to fish markets in tropical ports in various parts ...
Pagina 486
... described species , Cephalop terus hypostomus Bancroft 1831 ; doubtful whether Aodon Rafinesque 1810 . Doubtful Synonym : Aodon Rafinesque , Indice Ittiol . Sicil . , 1810 : 46 ; Sicily ; type and only included species , A. comutus ...
... described species , Cephalop terus hypostomus Bancroft 1831 ; doubtful whether Aodon Rafinesque 1810 . Doubtful Synonym : Aodon Rafinesque , Indice Ittiol . Sicil . , 1810 : 46 ; Sicily ; type and only included species , A. comutus ...
Pagina 493
... described nor have we seen any . In the only reported case , a female contained one embryo only . In gravid females , the walls of the uterus are clothed with the " charac- teristic vascular villi . The uterine milk is greenish . " 101 ...
... described nor have we seen any . In the only reported case , a female contained one embryo only . In gravid females , the walls of the uterus are clothed with the " charac- teristic vascular villi . The uterine milk is greenish . " 101 ...
Sommario
SAWFISHES GUITARFISHES SKATES and RAYS | 1 |
Genus Zapteryx | 74 |
Suborder Myliobatoidea | 331 |
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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 - 1953 |
Parole e frasi comuni
Acad Amer batoids Bigelow and Schroeder biol Brazil breadth Breder 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 Interspace Jersey Jordan Lacépède length of base listed lobe long as distance Lower surface mature males median Müller and Henle nasal curtain pelvic fins Philad Poiss posterior margin prickles Proc Raja Rays rearward Rio de Janeiro rostral rostral cartilage rounded Sawfishes side Skates spiracles Study Material tail spine teeth thorns tip of snout tip of tail Torpedo transverse type species U. S. Bur U. S. Comm U. S. nat upper surface Woods Hole Zool