46 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Scylliorhmus natalensis Gilchrist and Thompson, Ann. Sonth African Mus., 

 vol. 11, p. 55, 1911 (Durban). — Barnard, Ann. South African Mus., vol. 21, 

 pt. 1, p. 43, 1925 (Algoa Bay to Natal, in 50 fathoms). 



Halaelunis natalensis Garman, Mem. Mus. Comp. Zool., vol. 36, p. 84, 1913 

 (Natal). 



Head broad, depressed. Snout elliptical, with obtusely pointed 

 tip; eye II/2 in snout; preoral length slightly more than half its 

 greatest width or 2% in internarial ; labial fold at each mouth angle 

 along lower jaw % space to symphysis, less than 14 along upper jaw; 

 teeth tricuspid, median cusp longest. 



First dorsal inserted over last third of ventral base ; second dorsal 

 inserted little before hind basal end of anal; dorsals subequal, base 

 length of each % of interdorsal space; anal base li/^ times second 

 dorsal base, 1% times distance from caudal; pectoral reaches over 

 halfway to ventral; ventral with outer edge evenly rounded anteri- 

 orly, becomes very oblique posteriorly. 



Grayish. Back with broad transverse brown bands with darker 

 edges and with less distinct intermediate bands of brown marbling 

 or reticulations. Upper surface of head covered with reticulations, 

 except for first cross band, which lies between hind halves of eyes 

 and has convex posterior edge ; second band as 2 oval patches at level 

 of gill openings, nearly meet in median line; third at level of hind 

 part of pectoral; fourth before dorsal, broken into median circular 

 or oval and pair of lateral semioval patches; fifth and seventh 

 through dorsal fin bases and 2 or 3 on tail. Each dorsal with dark 

 blotch on its upper portion. Paired fins each with large dark 

 blotch. Length, 425 mm. (Regan.) 



Cape Colony, Natal. Originally described from two specimens 

 in the British Museum. 



HALAELURUS QUAGGA (Alcock) 



ScylUum quagga Alcock, Cat. Deep Sea Fishes Indian Mus., vol. 1, p. 17, 1899 

 (type locality: off Malabar, in 102 fathoms) ; Illustr. Zool. Investigator, pt. 

 3, pi. 27, fig. 1-a, 1895 (dorsal view). 



Scyliorhi/rms quagga Regan, Ann. Mag. Nat. Hist., ser. 8, vol. 1, p. 461, 1908 

 (compiled). 



Halaelurus guagga Garman, Mem. Mus. Comp. Zool., vol. 36, p. 84, 1913 (Malabar). 



Head 4% to subcaudal origin, broad, depressed, width 1% its 

 length. Snout 2% in head, flat, elliptical in outline with bluntly 

 acuminate tip; eye 4, li/^ in snout, 1% in interorbital ; preoral length 

 half greatest breadth of snout; mouth large, crescentic, short labial 

 fold only at angles; teeth tricuspid, median cusp longest and most 

 acute; nasal valves separated by rather more than % snout length, 

 each with very short, inconspicuous cirrus; interorbital 2% in head. 

 Gill openings graduated to last, above pectoral bases. Spiracle 



