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 99
... breadth of mouth ; first about 85 % and fifth about 75 % as long as third or fourth ( the longest ) ; distance between inner ends of fifth gill openings about 2.0-2.3 times as great as breadth of mouth , and 82-92 % as great as distance ...
... breadth of mouth ; first about 85 % and fifth about 75 % as long as third or fourth ( the longest ) ; distance between inner ends of fifth gill openings about 2.0-2.3 times as great as breadth of mouth , and 82-92 % as great as distance ...
Pagina 440
... breadth of pectoral flange below eye , have not proved so . Description . Proportional dimensions in per cent of extreme breadth of disc . Female , 650 mm broad , from Provincetown , Massachusetts ( Harv . Mus . Comp . Zool . , No. 992 ) ...
... breadth of pectoral flange below eye , have not proved so . Description . Proportional dimensions in per cent of extreme breadth of disc . Female , 650 mm broad , from Provincetown , Massachusetts ( Harv . Mus . Comp . Zool . , No. 992 ) ...
Pagina 504
... breadth . Male , 3,480 mm broad , from Bimini , Bahamas ( Harv . Mus . Comp . Zool . , No. 37006 ) . Disc : vertical length 44.5 . Orbits : horizontal diameter 2.4 ; 138 distance between 24.8 . Spiracles : length 1.6 ; distance between ...
... breadth . Male , 3,480 mm broad , from Bimini , Bahamas ( Harv . Mus . Comp . Zool . , No. 37006 ) . Disc : vertical length 44.5 . Orbits : horizontal diameter 2.4 ; 138 distance between 24.8 . Spiracles : length 1.6 ; distance between ...
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