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Pagina 66
The lateral - line sensory system appears early in life , before any scales are
formed . The lateral - line scales develop in a posterior - to - anterior direction , as
do the other body scales . Usually by the time the anterior lateral - line scales are
...
The lateral - line sensory system appears early in life , before any scales are
formed . The lateral - line scales develop in a posterior - to - anterior direction , as
do the other body scales . Usually by the time the anterior lateral - line scales are
...
Pagina 70
Three Modified SCALES bordering anus ; median scale , anterior to anus , a
large shield - shaped plate ; lateral plates elongate and slightly curved . Other
characters those of the Order . Species . Currently seven species are recognized
in ...
Three Modified SCALES bordering anus ; median scale , anterior to anus , a
large shield - shaped plate ; lateral plates elongate and slightly curved . Other
characters those of the Order . Species . Currently seven species are recognized
in ...
Pagina 345
Ventral outline of body only moderately convex anteriorly , usually only about half
of greatest depth below a straight line extending through lower margin of eye to
middle of base of caudal ; sheath of scales at base of dorsal fin composed for ...
Ventral outline of body only moderately convex anteriorly , usually only about half
of greatest depth below a straight line extending through lower margin of eye to
middle of base of caudal ; sheath of scales at base of dorsal fin composed for ...
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Sommario
Names of Bones by G W Mead and Margaret G Bradbury | 20 |
Order Lepisostei by R D Suttkus | 61 |
Text and Footnote References | 105 |
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Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 4 John Tee-Van Visualizzazione frammento - 1948 |
Fishes of the Western North Atlantic: Editorial Board: Editor-in ..., Parte 8 John Tee-Van Visualizzazione frammento - 1948 |
Parole e frasi comuni
abund Acad adults Amer American Anal fin apparently Atlantic base Bermuda body Brazil Bull Canada catch caudal Characters coast color Comm counts dark depth descr Description developed diameter distance Distinctive dorsal fin eggs equal Evermann examples extending FIGURE Fish Florida Fowler gill rakers Gulf half head Hildebrand Hist Island Jordan known Lake larger lateral least length less limb longer lower lower limb Maine mandible margin Material Maxillary middle mouth nearly North northern occur origin Panama pectoral Pectoral fin Pelvic fin pointed posterior pounds present probably Proc range rays reaching References refs reported River rows Salmon salt scales side silvery snout spawning species specimens streams Study synon taken teeth upper USNM usually ventral West western York young Zool