Fishes of the Western North Atlantic, Edizione 1,Parte 3John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 42
Pagina 30
... female reported by Berg ( above ) , which yielded an estimated 7.7 million ... mature ovaries are very large and make up 10-20 % of the total weight of the ... females . This may be explained by the fact that the fish , after the first ...
... female reported by Berg ( above ) , which yielded an estimated 7.7 million ... mature ovaries are very large and make up 10-20 % of the total weight of the ... females . This may be explained by the fact that the fish , after the first ...
Pagina 44
... mature but unfertilized eggs preserved in 4-5 % formalin varied between 2.7-3.1 mm . Thus the ripe eggs of A. fulvescens are somewhat larger than those of A. oxyrhynchus . Table 11 gives data on ovaries and eggs from mature females of A ...
... mature but unfertilized eggs preserved in 4-5 % formalin varied between 2.7-3.1 mm . Thus the ripe eggs of A. fulvescens are somewhat larger than those of A. oxyrhynchus . Table 11 gives data on ovaries and eggs from mature females of A ...
Pagina 51
... adult females , three were " pasters " ; i . e . with the roe in the form of a slimy , grayish white paste ... mature individuals ascend the St. Lawrence River through deep channels that are kept free of nets because of navigation , and ...
... adult females , three were " pasters " ; i . e . with the roe in the form of a slimy , grayish white paste ... mature individuals ascend the St. Lawrence River through deep channels that are kept free of nets because of navigation , and ...
Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
Text and Footnote References | 105 |
15 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione estratti - 1948 |
Fishes of the Western North Atlantic: Editorial Board: Editor-in-chief John ... Visualizzazione estratti - 1948 |
Parole e frasi comuni
abund Acad adults Amer anal fin Anchovia Anchoviella anteriorly Atlantic Atlantic Salmon base of caudal base of pelvic body Brazil Bull Canada Capelin caudal fin Caudal peduncle cent of standard Clupea coast color Cuba Cuvier and Valenciennes depth descr diagn diameter dorsal fin Fin rays Florida Fowler genus gill rakers Gulf Gulf of Maine head Hildebrand Hist Jordan and Evermann Lake last ray length of base longest rays lower limb mandible margin maxillary mouth North opercle orig origin of anal Pectoral fin pelvic fin Philad Poey Poiss posterior postorbital pounds Proc Proportional dimensions range reaching refs River Salmon scutes Shad slender spawning species specimens standard length Study Material synon Synonyms and References Tarpon teeth type local U. S. Bur U. S. Comm U. S. Fish Comm U. S. nat USNM usually Valenciennes Ventral scutes Vertebrae Woods Hole young Zool