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
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Pagina 88
... FIGURE 20. Hypnos subnigrum , female , about 185 mm . long , from Port Jackson , New South Wales ( Harv . Mus . Comp . Zool . , No. 984 ) . Nostrils and mouth , about 1.5X . exposed when mouth is closed ; lateral terminations of tooth ...
... FIGURE 20. Hypnos subnigrum , female , about 185 mm . long , from Port Jackson , New South Wales ( Harv . Mus . Comp . Zool . , No. 984 ) . Nostrils and mouth , about 1.5X . exposed when mouth is closed ; lateral terminations of tooth ...
Pagina 155
... Figure 29 Study Material . Two specimens , a male 410 mm long , the type ( Harv . Mus . Comp . Zool . , No. 748 ) and a female 231 mm long ( U. S. Nat . Mus . , No. 148290 ) , both taken off Yucatán . Distinctive Characters . R. ackleyi ...
... Figure 29 Study Material . Two specimens , a male 410 mm long , the type ( Harv . Mus . Comp . Zool . , No. 748 ) and a female 231 mm long ( U. S. Nat . Mus . , No. 148290 ) , both taken off Yucatán . Distinctive Characters . R. ackleyi ...
Pagina 166
John Tee-Van. A B D FIGURE 32. Raja eglanteria . A Female , 745 mm long , from Woods Hole , Massachusetts ( Harv . Mus . Comp . Zool . , No. 36234 ) . B Male , 704 mm long , from Woods Hole , Massachusetts ( Harv . Mus . Comp . Zool ...
John Tee-Van. A B D FIGURE 32. Raja eglanteria . A Female , 745 mm long , from Woods Hole , Massachusetts ( Harv . Mus . Comp . Zool . , No. 36234 ) . B Male , 704 mm long , from Woods Hole , Massachusetts ( Harv . Mus . Comp . Zool ...
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