468 PROCEEDINGS OF THE ACADEMY OF [May, NOTES ON BATOID FISHES. BY HENRY W. FOWLER. The ray-like fishes contained in the collection of the Academy of Natural Sciences of Philadelphia are listed in this paper. 1. Some Preoccupied Names. In looking over the literature on this subject a number of names were found to be preoccupied, which are not represented in our col-lection by specimens, and for them I have substituted the following: Raja montagui nom. sp. now For Raia maculata Montagu, Mem. Wern. Soc, II, 1811-16, p. 426, preoccupied by Raja maculata Shaw, Gen. Zool., VII, 1803, p. 16, which is identical with Raja torpedo Linnaeus. Raja brachyurops nom. sp. nov. For Raja brachyura Gunther, Rep. Challenger, Zool., I, 1880, p. 20, PL 6, preoccupied by Raia brachyura Lafont, Act. Soc. Linn. Bordeaux, XXVIII, 1871, p. 503, PI. 28. Raja bon.e-speiexsis nom. sp. nov. For Raja capensis Miiller and Henle, Syst. Besch. Plag., 1838, p. 151, preoccupied by Raja capensis Gmelin, Syst. Nat. Linn., 1788, p. 1512, which is identical with Narke Kaup. Raja steindachxeri nom. sp. nov. For Raja chilensis Stein-dachner, Zool. Jahrb. Suppl.. IV, 1898, p. 332, preoccupied by Raia chilensis Guichenot, Gay's Hist, Chile, II, 1848, p. 367. This species appears close to Raja lima Poeppig. Raja agassizi ribeiroi, nom. sub. sp. nov. For Raja agassizi var. picta Ribeiro, A Lavoura, Bol. Soc. Agric. Rio Janeiro, 1904, p. 19, preoccupied by Raja picta Lacepede, Hist. Nat. Poiss., IV 1803, p. 676. Discotrygon nom. gen. nov. Type Discobatis marginipinnis Maclay and Macleay. For Discobatis Maclay and Macleay, Proc. Linn. Soc. N. S. Wales, X, 1885, p. 676, type Discobatis marginipinnis Maclay and Macleay, preoccupied by Garman, Proc. U. S. Nat. Mus., 1881, p. 523 for Discobatidce, type Rhina sinesis Schneider. (Maxos, disk; rpuywv Trygon.)
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