. Fishes. Fishes. The True Sharks 209 "wheelbarrow-shaped," with a projecting tube at each of the four angles. The size of this egg-case depends on the size of the species, ranging from three to about eight inches in length. In some species more than one egg is included in the same case. Most of the species belong to the typical genus Raja, and these are especially numerous on the coasts of all northern regions, where they are largely used as food. The flesh, although rather coarse and not well flavored, can be improved by hot butter, and as " raie au beurre noir" is apprec
. Fishes. Fishes. The True Sharks 209 "wheelbarrow-shaped," with a projecting tube at each of the four angles. The size of this egg-case depends on the size of the species, ranging from three to about eight inches in length. In some species more than one egg is included in the same case. Most of the species belong to the typical genus Raja, and these are especially numerous on the coasts of all northern regions, where they are largely used as food. The flesh, although rather coarse and not well flavored, can be improved by hot butter, and as " raie au beurre noir" is appreciated by the epicure. The rays of all have small rounded teeth, set in a close pavement. Some of the species, known on our coasts as "barn-door skates," reach a length of four or five feet. Among these are Raja IcBvis and Raja ocellata on our Atlantic coast. Raja hinocu-. Fig. 150.—Common Skate, Raja erinacea Mitchill. Wood's Hole, Mass. lata in California, and Raja tengu in Japan. The small tobacco- box skate, brown with black spots, abundant on the New England coast, is Raja erinacea. The corresponding species in Cali- fornia is Raja inornata, and in Japan Raja kenojei. Numerous other species. Raja hatis, clavata, circularis, fullonica, etc., occur on the coasts of Europe. Some species are variegated in color, with eye-hke spots or jet-black marbhngs. , living in deep waters, are jet-black with the body very soft and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Jordan, David Starr, 1851-1931. New York, H. Holt and Company
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