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Pagina 53
Also , the building of dams in many important rivers ( e . g . the Susquehanna , Maryland ) deprived Atlantic Sturgeon of their favorite spawning areas , and pollution by wastes of all kinds from the factories and by municipal sewage ...
Also , the building of dams in many important rivers ( e . g . the Susquehanna , Maryland ) deprived Atlantic Sturgeon of their favorite spawning areas , and pollution by wastes of all kinds from the factories and by municipal sewage ...
Pagina 54
The roe from Atlantic Sturgeon is as good for making caviar as that from Lake Sturgeon , and being mature at a larger size , the Atlantic Sturgeon furnishes a larger quantity of eggs . In early Colonial days , around 1709 in North ...
The roe from Atlantic Sturgeon is as good for making caviar as that from Lake Sturgeon , and being mature at a larger size , the Atlantic Sturgeon furnishes a larger quantity of eggs . In early Colonial days , around 1709 in North ...
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Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
Order Isospondyli Composite Authorship | 89 |
known to the ichthyologist and many students of oceanography constitute a notable | 102 |
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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 ..., Parte 8 John Tee-Van Visualizzazione estratti - 1948 |
Parole e frasi comuni
abund Acad adults Amer American anal fin apparently Atlantic base base of caudal Bermuda body Brazil Bull Canada catch caudal Characters coast color Comm counts dark depth descr Description developed diameter differs distance Distinctive dorsal fin eggs equal Evermann examples extending FIGURE Fish Florida Fowler fresh gill rakers Gulf half head Hildebrand Hist Island Jordan known Lake lateral least length less longer lower limb Maine mandible margin Material maxillary middle mouth nearly North northern origin Panama Pectoral fin pelvic fin pointed posterior pounds present probably Proc range rays reaching References refs reported River rows Salmon scales side silvery slender slightly snout spawning species specimens strongly Study synon taken teeth U. S. nat upper USNM usually ventral West York young Zool