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
Risultati 1-3 di 83
Pagina 480
... head , its transverse axis nearly vertical ; the two cephalic fins widely separated one from the other ; their basal attachments to head extending from below spiracle upward and forward to upper anterior extension of cranium ; supported ...
... head , its transverse axis nearly vertical ; the two cephalic fins widely separated one from the other ; their basal attachments to head extending from below spiracle upward and forward to upper anterior extension of cranium ; supported ...
Pagina 505
... head in weakly convex contour , thus conspicuous in dorsal view ; margin of lower jaw thick and rounded . Eyes high on sides of head and far forward , their centers a little anterior to level of midpoint of front outline of head ; round ...
... head in weakly convex contour , thus conspicuous in dorsal view ; margin of lower jaw thick and rounded . Eyes high on sides of head and far forward , their centers a little anterior to level of midpoint of front outline of head ; round ...
Pagina 540
... head , its sides almost flat , its thickness a little less than half as great as its height opposite bases of pectoral fins and only about , as great as its height opposite bases of pelvic fins . Skin perfectly naked on adults , except ...
... head , its sides almost flat , its thickness a little less than half as great as its height opposite bases of pectoral fins and only about , as great as its height opposite bases of pelvic fins . Skin perfectly naked on adults , except ...
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