42 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Subgenus Holohalaelurus Fowler 



Mouth without any labial folds or grooves. Coloration variegated 

 Avith dark or light spots. 



HALAELURUS REGANI (Gilchrist) 



ScylUorMnus regani Gilchbist, Marine Biol. Survey South Africa, Spec. Rep. 

 No. 2, p. 45, 1922 (type locality: Cape seas, in 95 to 131 fathoms).— 

 Barnard, Ann. South African Mus., vol. 21, pt. 1, p. 42, 1925 (off Cape Point 

 and East London, in 95 to 250 fathoms) ; pt. 2, p. 1013, 1927 (note). 



ScyUorhinus (Halaclurtis) regani Norman, Discovery Rep., vol. 12, p. 36, fig. 13, 

 1935 (lat. 34° S., long. 17° 58' E., in 173 to 219 m.). 



Halaelurus regani Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 85, p. 235, 

 1934 (name). 



Head broad, depressed. Snout obtusely pointed, length li/4 in 

 space between front edges of nasal flaps; mouth little more than twice 

 wide as long ; no labial folds, upper lip not overlapping lower ; teeth 

 with strong central and 1 or 2 lateral cusps; several prominent 

 papillae behind mandibular teeth; front and hind nasal valves well 

 developed, flaps without cirri and separated from each other by space 

 11/2 in their hind edge. 



First dorsal begins above hind end of "pectoral" [ventral] base, 

 front angle rounded, hind angle not rectangular, base nearly 3 times 

 space from second dorsal which li/^ times larger than first at its base ; 

 second dorsal origin before hind end of anal by about 14 of latter ; 

 anal base 2i/^ in first dorsal base, 1% in second dorsal base and nearly 

 equals its distance to caudal ; pectoral rounded, not reaching half way 

 to ventral ; in males 500 mm. long, posterior ventral edges united. 



Upper surface covered with dark marks I/4 eye diameter, formed 

 as spots, circles or horseshoe-shaped bands, all clearly contrasted with 

 ground color. (Gilchrist.) 



South Africa. According to Barnard the coloration is light, with 

 darker spots on upper part of body and dorsal and pectoral fins, these 

 spots being considerably larger than the intervening light ground 

 color, except in the very young, and closely set so as to leave a 

 reticulate pattern of ground color. Reaches 550 mm. 



HALAELURUS PUNCTATUS (Gilchrist) 



ScylUorhiniis punctatus Gilchrist, Marine Biol. Rep. South Africa, vol. 2, 

 p. 129, fig., 1914 (type locality: Off Natal coast) ; Special Rep. No. 2, p. 46, 

 1922 (ofe Natal, in 148 to 226 fathoms).— Barnard, Ann. South African 

 Mus. vol. 21, pt. 1, p. 43, 1925 (type). 



Halaelurus punctatus Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 85, p. 235, 

 1934 (name) ; vol. 87, p. 361, fig. 1, 1935 (Durban). 



ScyUorhinus (Halaelurus) polystigma Regan, Ann. Mag. Nat. Hist., ser. 9, vol. 

 7, p. 413, 1921 (type locality: Natal). 



Snout rounded ; mouth I14 times wide as long, without labial folds, 

 upper lip not overlapping lower at mouth angles ; preoral length 14 



