30 tr. S. BUREAU OF FISHERIES 



154. Urobatis umbrifer (Jordan and Starks). 



West coast of Mexico. 



Urolophus umbrifer Jordan and Starks, in Jordan, Fishes Sinaloa, Proc. 



Calif. Acad. Sci., Ser. 2, V, 1895, 389, Mazatlan, Mexico; regarded 



by Garman as inseparable from Urobatis halleri. 



155. Urobatis nebulosus (Garman). 



Gulf of California to Panama. 



Urolophus nebulosus Garman, Proc. U. S. Nat. Mus., VIII, 1885, 41, 

 Colima, Mexico. 



156. Urobatis concentricus Osburn and Nichols. 



Gulf of California. 



Urobatis concentricus Osburn and Nichols, Bull. Amer. Mus. Nat. Hist., 

 XXXV, 1916, 144, fig. 2, Esteban Island, Gulf of California. 



Genus 66. UROTRYGON Gill. 



Urotrygon Gill, Proc. Acad. Nat. Sci. Phila., XV, 1863, 173 (Urotrygon 

 mundus Gill). 



157. Urotrygon mundus Gill. 



West coast of Mexico. 



Urotrygon mundus Gill, Proc. Acad. Nat. Sci. Phila., XV, 1863, 173, 



Panama. 

 Urolophus asterias Jordan and Gilbert, Proc. U. S. Nat. Mus., V, 1882, 



579, Mazatlan; Panama. 

 Urolophus rogersi Jordan and Starks, in Jordan, Fishes of Sinaloa, Proc. 



Calif. Acad. Sci., Ser. 2, V, 1895, 388, Mazatlan. 



158. Urotrygon goodei (Jordan and BoUman.) 



Panama and vicinity. 



Urolophus goodei Jordan and BoUman, Proc. U. S. Nat. Mus., XII, 

 1889, 151, near Panama. 



159. Urotrygon aspidurus (Jordan and Gilbert). 



Panama. 



Urolophus aspidurus Jordan and Gilbert, Bull. U. S. Fish Com., IV, 

 1881, 307, Panama. 



Family 28. AETOBATID.ffi. Eagle rays 



Genus 67. STOASODON Cantor. 



Aetobatis Miiller and Henle, Plagiostomen, 1841, 180 (Raia narinari 



Euphrasen) ; not Aetobatus Blainville. 

 Sioasodon Cantor, Cat. Malayan Fishes, 1850, 434 {Raia narinari 



Euphrasen). 

 Goniobatis Agassiz, Proc. Bost. Soc. Nat. Hist., VI, 1859, 385 (flagellum). 



160. Stoasodon narinari (Euphrasen). Spotted stingray; Bishop ray; Obispo; 



Lady ray. 

 Tropical seas; north on the Atlantic coast to Virginia; Pacific coast, 



Gulf of California to Panama. 

 Raia narinari Euphrasen, Vedensk. Akad. Nya Handl., XI, 1790, 217, 



Brazil. 

 Raia flagellum Bloch and Schneider, Syst. Ichth., 1801, 361, Coromandel. 

 Myliobatis eeltenkee Riippell, Neu. Wirb., 1835, 70, Red Sea. 

 Goniobatis macroptera McClelland, Calcutta Jour. Nat. Hist., I, 1841, 



60, Bengal. 

 Aetobatus laticeps Gill, Ann. Lye. Nat. Hist. N. Y., VIII, 1865, 137, 



California. 



Genus 68. PTEROMYLiEUS Garman. 



Pteromylxus Garman, Plagiostomia, Mem. Mus. Comp. Zool., XXXVI, 

 1913, 437 {Myliobatis asperrimus Gilbert). 



161. Pteromylaeus asperrimus (Gilbert). 



Panama. 



Myliobatis asperrimus Gilbert, in Jordan and Evermann, Fishes North 

 and Mid. Amer., 1898, 2754, Panama. 



