470 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Dorsals small, inserted close behind ends of dorsal bases, length 

 2% in head; tail 3 times disk length, with serrated spine; pectorals 

 form broad disk, about twice wide as long; ventrals rather long or 

 front edge 1% in head. 



Brown above. White below. 



Eastern Atlantic, Mediterranean, South Africa. The young with 

 7 or 8 obsolete or pale transverse vviiitish streaks. 



1 example. A.N.SJP. Italy. C. L. Bonaparte. No. 21(>. Female. Length, 

 889 mm. 



MYLIOBATIS PUNCTATUS Maclay and Macleay 



Myliobatis punctatus Maclay and Macleay, Proc. Linn. Soc. New Soufh Wales, 

 vol. 10, pt. 4, p. 675, 1885 (type locality: Admiralty and Lub ov Hermit 

 Islands). 



Miliobatis punctatns Maclay and Macleay, op. cit., pi. 46, figs. 1, 2, 1885. 



Aetobatis punctata Guntheb, Jourii. Mus. Godeffroy, pt. 17, p. 497, 1910 (copied). 



Pteromylaeus punctatus Garman, Mem. Mus. Comp. Zool., vol. 36, p. 439, 1913 

 (copied). — Fowler, Mem. Bishop Mus., vol. 10, p. 25, 1928 (compiled) ; Proc 

 4th (1929) Pacific Sci. Congr., Java, p. 507, 1930 (reference). 



Head to first gill opening 3%o ii^ total length. Snout 21^ in head, 

 long and triangularly pointed ; eye about 20, 9 in snout, YI/2 in inter- 

 orbital, pupil vertically oval; mouth width 4% in head or 21/2 in 

 preoral length; 2 curtainlike flaps overlap lateral labial folds, which 

 distinct on open mouth and lower border of labial flaps slightly 

 notched; upper dental plates nearly twice wide as lower, formed of 

 many longitudinal rows of teeth with median largest; on back of 

 mouth above 7 papillae in first row, 4 in second, smaller lateral lower 

 papillae; internarial 2% in preoral length, nostrils subequal with 

 eyes ; interorbital 2I/3 in head, convex. Gill openings subequal, inter- 

 space of last pair 1% in that of first pair. Spiracle about 3 times 

 eye and as far posterior. 



Dorsal slightly greater than space between spiracles, hind pectoral 

 edge opposite center in its length or about middle of ventral length, 

 rounded behind ; tail 1% in disk length, with 2 spines inserted about 

 first fourth its length ; pectorals form wide disk, length 1% its width, 

 front edges slightly convex, hind edges concave and outer angles 

 triangular ; ventrals obtuse, width 1% length. 



Above greenish gray, with variable irregular white spots. Below 

 dirty white, darker on pectorals. Disk length to hind ventral edge, 

 1,130 mm., tail from dorsal fin, 640 mm. (Maclay and Macleay.) 



Melanesia. 



Genus AETOBATUS Blainville 



Aetobatus Blainville, Bull. Soc. Philom., Paris, vol. 8, p. 122, 1816. (Type, 

 Raja narinari Euphrasen, designated by Gill, Proc. U. S. Nat. Mus., vol. 

 17, p. 122, 1894.) 



Aetobatis Blainville, Faune Frangaise, Poissons, p 38, 1825. (Type, Raja 

 narinari Euphrasen.) 



