. B" Text-fig. 42. Comparison of the external appearance, gill development and brain of Gonostoma denudatum atlantkum (a a', a") and G. bathyphilum (b, b\ b""). The gill filaments shown in (a') and (b') are from the second gill arch, fb, forebrain; mb, brain; cb, cerebellum, (a and B, X075; a' and b', x 12-5; a" and b", x 5.)

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti