Author: Ewart, J. C.
Title: The electric organ of the skate. - The electric organ of Raia radiata.
Description: London, The Royal Society, 1889. 4to (29.8 x 23.0 cm). 14 pp.; two tinted lithographed plates. Disbound. = A detailed study, but a fine drawing of the whole animal is included too, which ascertains that the detailed observations do belong to this particular species indeed. Published in the Philosophical Transactions B, 1888. A very good, clean copy. Dean I, p. 384.

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