448 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Uniform cinnamon brown above, including eyes and tail. Extreme 

 disk edges and caudal white. Below white with broad pale brown 

 margin to pectorals and ventrals. Large examples darker brown, 

 intramarginal parts of disk and caudal blackish. Width, 322 mm. 

 (McCulloch.) 



South Australia, Victoria New South Wales, Queensland. 



Genus ANACANTHOBATIS Von Bonde and Swart 



Anacanthohatis "Von Bonde and Swabt, Fisher. Marine Biol. Surv. South Africa, 

 Kep., No. 3, 1922 errata slip, 1924. (Type, Leiobatis marmoratus "Von Bonde 

 and Swart, monotypic.) 



Body and head form subcircular or partly rhomboid disk, little 

 wider than body. Tail shorter than disk, tapering, without lateral 

 folds or serrated spine. Pair of cutaneous flaps on mouth roof. 

 Teeth in numerous rows, rounded, blunt or pointed. Skin smooth. 

 No dorsal. Caudal very small. Ventrals notched, male with claspers. 



ANACANTHOBATIS MARMORATUS (Von Bonde and Swart) 



Leiohatis marmoratus "Von Bonde and Swart, Fisher. Marine Biol. Surv. South 

 Africa, Rep. No. 3, 1922, p. 18, pi. 23, 1924 (type locality: Natal coast in 160 

 fathoms). — Barnard, Ann. South African Mus., vol. 21, p. 79, 1925 (Natal 

 coast). 



f Leiobatis dubius "Von Bonde and Swart, Fisher. Marine Biol. Surv. South 

 Africa, Rep. No. 3, 1922, p. 19, 1924 (type locality: South Africa). 



Head to hind spiracle edge 4% in total length. Snout li^ in head 

 to hind spiracle edge, tip extends in short soft point; eye 5%, 4% in 

 snout, 2% in interorbital ; mouth width 3 in preoral length to base of 

 rostral filament; teeth small, blunt, in numerous rows, bases round; 

 pair of arclike fringed flaps suspended inside mouth from top jaw, 

 seen when mouth opened; nostrils large, close to mouth corners and 

 continuous along very shallow nasoral grooves ; 2 broad fringed flaps 

 from inner nasal edges overhang mouth corners and grooves and outer 

 nasal edges extended into 2 tubular, projecting, fringed flaps; inter- 

 orbital 2% in head to hind spiracle edge, concave. Spiracle close 

 behind and slightly less than eye. 



Above smooth, also below. Dark red papillalike projections of 

 skin sparsely scattered over upper surface, including ventrals. 



Tail rounded, thin, tapering, li^ in disk length, no lateral folds; 

 caudal rudimentary as small vertical thin fold or ridge; pectorals 

 form subcircular disk in female, nearly quadrangular to rhombic in 

 male, but very slightly broader than long; ventrals deeply notched, 

 completely joined along inner edges with tail, infused outer edges 

 serrated or denticulated. 



Reddish brown, profusely mottled above with very small white 

 spots, also scattered, pale, faintly brown ocelli. Length, 245 mm. 

 (Von Bonde and Swart.) 



