FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 313 

 RHINOBATOS LEUCOSPILUS Norman 



Rhinobatus leucospilus Nokman, Proc. Zool. Soc. London, 1926, p. 966, fig. 18 



(rostra) (type locality: Durban, Natal). — Babnakd, Ann. South African 



Mus., vol. 21, pt. 2, p. 1014, 1927 (note). 

 Rhmobatus blochii (not Miiller and Henle) Regan, Ann. Natal Gov. Mus., vol. 1, 



p. 242, 190S (Durban Bay). — Gilchrist and Thompson, Ann. South African 



Mus., vol. 11, pt. 2, p. 55, 1911 (Natal). 

 Rhinoiatus blochi Barnard, Ann. South African Mus., vol. 21, pt. 1, p. 61, 1925 



(part). 



Very close to Ehinohafos annulatus but snout rather shorter and 

 broader; eye 3^^ to 4 in snout, eye with spiracle little less than space 

 between spiracles; mouth width 2i/^ to 2% in preoral length; space 

 between outer nostril edge and lateral snout edge 2i/^ to 2% in preoral 

 length. Space between spiracles 2 to 2^4 in snout. 



Spines on back and shoulders minute. 



Back brownish, margins of pectorals and ventrals bluish gray. 

 Snout and pectorals with number of pale blue-gray spots and blotches 

 symmetrically arranged. Length, 415 mm. (Norman.) 



Natal. Type in the British Museum. 



RHINOBATOS ZANZIBARENSIS Norman 



Rhinoiatus zanzibarensis Norman, Proc. Zool. Soc. London, 1926, p. 966, text fig. 



19 (rostra) (type locality: Zanzibar). 

 Rhinobatus schlegelii (not Miiller and Henle) Gijntheb, Fishes of Zanzibar, 



p. 142, 1866 (Zanzibar). 

 Rhinobatus colnrnnae (not Bonaparte) Gunther, Cat. Fishes British Mus., vol. 



8, p. 446, 1870 (Zanzibar specimens). 



Snout moderate, bluntly pointed, margins straight; rostral ridges 

 rather broad, separated throughout their length, almost parallel; 

 eye 4^/^ in snout, eye with spiracles about equals space between 

 spiracles; mouth nearly straight, nearly 3 in preoral length; nostrils 

 rather long, oblique, nearly ly^ in mouth width, I14 times internarial, 

 space between outer nasal edge and lateral snout edge more than 

 4 times preoral length, front valve extending inward well beyond 

 level of inner nostril edge, separated from that of opposite side by 

 space which 2% to 3 in internarial. Both folds of spiracle well 

 developed, outer more prominent. 



Skin covered with minute denticles; series of very small, blunt 

 spines in median line of back, in 2 groups on each shoulder and some 

 smaller spines around orbits and above spiracles. 



First dorsal about II/2 times high as long, origin distance behind 

 ventral bases ll^ to li/^ times interdorsal, base 2% in interdorsal. 



Coloration not given. Length, 750 mm. (Norman.) 



Zanzibar. 



