54 



BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Apristunis spongiceps Fowlee, Mem. Bishop Mus., vol. 10, p. 17, 192S (compiled) ; 



Proc. 4th (1929) Pacific Sci. Congr., Java, p. 486, 1930 (type). 

 Pentanchus sponyiceps Fowi^k, Proc. Acad. Nat. Sci. Philadelphia, vol. 85, p. 237, 



1934 (name). 



Depth 3% to subcaudal origin; head Sy^, width 1%. Snout 21/5 

 in head, very pliable, flabby, depressed; eye 6%, 3 in snout, median 

 laterally in head ; dentary width 2 in head, both labial folds long as 

 eye; teeth in 36 rows in jaws, each with 3 to 5 cusps; nostrils large, 

 little longer than eye, internarial space half mouth width; interor- 

 bital broadly convex. Gill openings little less than eye. Spiracle 

 small, distinct, close behind eye. 



Skin densely covered with simple small cusps, mostly finely rough- 

 ened to touch, fin edges and areas of depression behind naked. 



First dorsal length 2% in head, fin inserted largely over ventral 

 bases; second dorsal length 2l^, inserted over middle of anal, ends 



mm. 



H.W.F. 



FiGDRE 3. — Pentanchus verweyi Fowler: Type (U.S.N.M. No. 93135). 



slightly behind end of anal, not "terminating slightly in advance of 

 its end" as Gilbert states ; caudal 2% in rest of body, with notch near 

 end and subcaudal subequal with anal; anal length 1% in head; pec- 

 toral base 2 in fin length, which 2 in head ; ventral length 2, fin broad. 



Dull x^ray-brown, with traces of sepia brown shades around thorax, 

 gills, fin edges, and depressions. 



Known only from the type, described above, and the example re- 

 ported from the Banda Sea by Weber. 



U.S.N.M. No. 51590. Bird Island, Hawaiian Group. Albatross collection. 

 Length, 482 mm. Type of Catnlus spongiceps Gilbert. 



PENTANCHUS VERWEYI Fowler 



Figure 3 



Pentanchus venoeyi, Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 85, p. 237, 

 fig. 2, 1934 (type locality: Station D. 5587, vicinity Sibuko Bay, Borneo). 



Depth 61/^ to subcaudal origin; head 3%, width 1%. Snout 1% in 

 head; eye 5, 3^5 in snout, I14 in interorbital ; mouth width 2 in head, 

 little arched, long labial folds around each angle; teeth in about 40 

 rows above, 38 rows below, tricuspid, upper slightly larger, all with 



