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 81
Pagina 78
... inner parts of pectorals and along sides of anterior part of tail ) are ... ends of nostrils . Crown concave transversely , the margins of orbits ... inner ends directed rearward , with one low ridge on posterior margin . First pair of ...
... inner parts of pectorals and along sides of anterior part of tail ) are ... ends of nostrils . Crown concave transversely , the margins of orbits ... inner ends directed rearward , with one low ridge on posterior margin . First pair of ...
Pagina 349
... inner ends of fifth gills about 62 % as great as that between inner ends of first gills . Free posterior margin of nasal curtain weakly con- cave , fringed , the individual lobes simple or variously divided , those of the two sides ...
... inner ends of fifth gills about 62 % as great as that between inner ends of first gills . Free posterior margin of nasal curtain weakly con- cave , fringed , the individual lobes simple or variously divided , those of the two sides ...
Pagina 440
... inner ends 6.5 , 7.0 . Gill openings : lengths , 1st 1.8 , 1.8 ; 3rd 2.1 , 2.1 ; 5th 1.2 , 1.2 ; distance between inner ends , Ist 13.7 , 14.5 ; 5th 7.8 , 6.7 . Dorsal fin : vertical height 3.1 , 3.0 ; length of base 6.1 , 6.2 . Pelvics : ...
... inner ends 6.5 , 7.0 . Gill openings : lengths , 1st 1.8 , 1.8 ; 3rd 2.1 , 2.1 ; 5th 1.2 , 1.2 ; distance between inner ends , Ist 13.7 , 14.5 ; 5th 7.8 , 6.7 . Dorsal fin : vertical height 3.1 , 3.0 ; length of base 6.1 , 6.2 . Pelvics : ...
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