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 65
... breadth of mouth . Rostral cartilage nearly uniform in breadth throughout most of its length but widening noticeably in somewhat rounded outline toward tip , its maximum breadth there about 1.3 times as great as distance between inner ...
... breadth of mouth . Rostral cartilage nearly uniform in breadth throughout most of its length but widening noticeably in somewhat rounded outline toward tip , its maximum breadth there about 1.3 times as great as distance between inner ...
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 ) ...
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