| OCR Text |
Show 872 ON THE FISHES OF SEYCHELLES. [Nov. 14, large as the others, but with a circular or oval base. Underside smooth. Colour above yellowish green ; below white.-A. Dum. Hab. Seychelles ; Indian Ocean. 209. TRYGON UARNAK, Forsk. The specimen obtained at Seychelles differed only from that found at Zanzibar in having much smaller tubercles on the median region of the back, and in having the upper surface immaculate. 210. HYPOLOPHUS SEPHEN. Raja sephen, Forsk. p. 17 ; Russell, i. p. 2, pl. 3. Try yon sephen, Riipp. Atlas, Fische, p. 52. T.forskalii, Riipp. ib. p. 53, pl. 13. f. 2. Hypolophus sephen, Miill. & Henle, Plag. p. 170; Dum. Hist. Poiss. i. p. 616. Disk rhomboidal, broader than long, the edge almost straight or slightly convex; angles rounded, except the anterior, which is very obtuse. Ventrals united on the median line; the anterior angle rounded, the exterior one sharp. Tail about twice and a half as long as disk, depressed as far as the spine, below which commences a cutaneous fold, which occupies about a third of the lower edge. Superior median region from head to tail covered with scales closely placed together. On the middle of the scapular region there are three tubercles much larger than the others. Colour above of a reddish brown, except the scaly portion, which is leaden grey. Lower parts light; caudal fin dark.-A. Dum. Hab. Seychelles; Red Sea; Indian Ocean. 211. iETOBATIS NARINARI. Narinari brasiliensibus, Marcgrav, Hist. ver. Natur. Brasil. in Piso Hist. Nat. Brasil. pp. 175, 176. Raja quinqueaculeata, Quoy & Gaim. Voy. Freyc. p. 200, pl. 43. f. 3. Eel tenkee, Russell, i. pl. 18. Myobatis celtenkee, Riipp. N. W. Fische, p. 70, pl. 19. f. 3 (teeth) Stoasodon narinari, Cant. Mai. Fish. p. 1416. AEtobatis narinari, Miill. & Henle, Plag. p. 179; Dum. Hist. Poiss. i. p. 641. Disk twice as broad as long, the anterior edges a little convex, the posterior ones concave. Anterior angle pointed, posterior one rounded. Snout with an obtuse prominence, broader than long. Lobes of nasal valvule broad, rounded and toothed on their free edges. Dental plate on lower jaw curved, prominent. Caudal fin commencing on the level of the extremity of the insertion of the ventrals. Tail three or four times the length of disk. Colour brown, with round white spots edged with black distributed irregularly over the back. Lower side white. Hab. Seychelles; Brazil; Red Sea; Indian Ocean. |
