238 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



First dorsal origin midway between hind end of orbit and ventral 

 origin, fin length 1% in head; second dorsal origin behind ventral 

 base, fin length 1% in head, fin little higher than first dorsal; caudal 

 3% in rest of body, subcaudal 21/3 in caudal ; least depth of caudal 

 peduncle 7 in head; pectoral 2, width 1% its length which reaches 

 about lYs to first dorsal origin ; ventral length 2% in head. 



Gray above, somewhat lighter beneath. Front portions of dorsals 

 and pectorals somewhat darker in young. Length, 1,138 mm. 

 (McCulloch.) 



South Australia, Victoria. 



McCulloch had 5 specimens, 2 males and 3 females; the smallest 

 683 mm., a young male, he selected as type. 



DEANIA ROSTRATA (Garman) 



Acanthidium rostratum Garman, Bull. Mus. Comp. Zool., vol. 46, p. 206, 1906 

 (type locality: Suruga Gulf, Japan) ; Mem. Mus. Comp. Zool., vol. 36, p. 218, 

 pi. 11, figs. 1-4, 1913 (type).— FowLEB, Proc. 4th (1929) Pacific Sci. Congr., 

 Java, p. 496, 1930 (reference). 



Centrophorus rostratns Regan, Ann. Mag. Nat. Hist., ser. 8, vol. 2, p. 52, 1908 

 (reference). 



Depth 6l^ to subcaudal origin; head 3%, width 21/5. Snout 2 in 

 head; eye 5%, 2"% in snout, 2 in interorbital ; mouth width 3I/3 in 

 head, little arched, groove moderate, folds short, upper longer; 34 

 rows of upper teeth; 30 below, upper triangular with 8 near middle 

 of mouth nearly erect and lateral teeth becoming more oblique, with 

 more of notch on outer edge ; lower teeth larger, oblique, cutting edge 

 directed outward nearly horizontally above deep notch on outer edge ; 

 nostrils small, midway in snout, each crossed by short angled lobe on 

 inner side of which lies smaller one, internarial 3% in preoral length, 

 which 1% in head; interorbital 2% in head, rather low, flattened at 

 crown. Gill openings moderate, about half orbit. Spiracle large, 

 semilunate, distant its W'idth up and behind orbit. 



Scales very small, base stellate to polygonal, peduncle crowned 

 with 3 or 4 acuminate cusps, along outer surface of each a keel. 



First dorsal origin midway between hind orbital edge and ventral 

 origin, fin length li/4 in head; second dorsal length 1%, little higher 

 than first dorsal, origin above hind basal edge of anal; caudal 3% 

 in rest of body, subcaudal 2 in caudal length ; least depth of caudal 

 peduncle 5i/^ in head; pectoral 1%? width 1% its length which 

 reaches 1^ to dorsal origin; ventral 2 in head. 



Ashy brown, probably greenish in life, darker on head, snout, back, 

 and upper parts of fins. Hind border of pectorals whitish, lighter 

 on hind margins and inner angles of other fins. Lower surfaces 

 lighter. Length, 865 mm. (Garman.) 



Japan. 



