1886.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. f)57 



Family X.— RHINOBxVTID^. 

 13. RHINOBATUS Blutli & Sclmcider. 



32. Rhinobatus spinosus Giinther. (G. viii, .')13: "Mexico.") 



Family XL— RAJID^. 



14. RAJA Liun;i?us. 



33. Raja ackleyi Garman. (Garmau, Bull. Miis. Comp. Zoiil., xi, 2t55, 1881.) 



Family XII.— TORPEDINID^. 

 15. TORPEDO Dum6ril. 



34. Torpedo occidentalis Storer. (G. viii, 448. P.) 



16. NARCINE Henle. 



35. Narcine brasiliensis (Olfers). (G. viii, 453.) 



(Narcine umbrosa Jordan.) 



Family XIII.— DASYATID^. 



17. UROLOPHUS Miiller &, Henle. 



36. Urolophus torpedinus (Desinarest). (G. viii, 485. P.) 



18. DASYATIS Ealinesque. 



37. Dasyatis say (Le Sueur). (P.) 



38. Dasyatis hastata (De Kay). (G. viii, 476.) 



39. Dasyatis tuberculata (Lac^pede). (G. viii, 480.) 



19. T^NIURA* Miiller & Heule. 



{? Ellipesuriis Schoiuburgk: Potaiiiotriigon Garman.) 



40. Taeniura dumerili (Casteluau). (G. viii, 484.) 



(.' EUipe.suras .ipinicauda Schomburjijk. ) 



41. Taeniura motoro (Miiller & Henle). (G. viii, 484.) 



42. Tceniura hystrix (Miiller & Henle). (G. viii, 482.) 



{? I'astiiiaca humhuldti Rouliii.) 



43. Tasniura niagdalenae (Valenciennes). 



(Dumeril, Elasmobranches, 1870,625: Steindachncr, Zur Fisch- fauna des Mag- 

 delenen-Strouies, 1878, 56.) 



20. PARATRYGON Dum6ril. 

 (Discens Garman.) 



44. Paratrygon strongylopterus (ScLionibm^gk). (G. viii, 476.) 



* For an account of the species of these genera of fluviatile Sting-i'ays, Taeniura and 

 Paratrygou, see Garman, Proc. Bosf. Soc. Nat. Hist., 1877, 210, and Stciiidachner, Zur 

 Fiseb-lauiia des Magdelenen-Stronies, 1878. 



