184 BULLETIN OF THE BUKEAU OF FISHERIES. 



TiENIURA Muller & Heule. 

 Tail long, with a raylesH fold of >^kin belnw. 



39. Tseniura lymma (Forskal). New Guinea (Maeleay): Eas?t Indies. 



40. Tseniura atra Maeleay. Xew Guinea (Maeleay) . 



HIMANTURA Dumeril. 

 Tail very long, without fold. 



41. Himantura fai Jordan & Seale, new speeies. Fal. Samoa. 



Snout -t.iSd to base of tail; eye 2.7.5 in interorbital sjjaee, which i.s equal to snout; length of nas^al 

 opening 2.75 in interorbital. 



Body broadly pentagonal, the i^nout very broad but somewhat pointed; disk wider than long 

 (14.50 inches wide, ]1..501ong): length of di^^k 'A.?>0 times in the long whip-like tail; teeth not large, about 



V' f 



species Type 



13 oblique series on upper jaw and 23 oblique series in lower; upper buceal tUqi with tine fringes; 

 width of mouth 1.7.5 in snout; distance between lower gill-openings equal to distanee from first to fifth 

 opening; length of ventral fins slightly less than inteiorliital space; tail without fold of any kind, its 

 lower surface smooth, the upper surface with seattcicil small piickles (spine removed by fisherman 

 from type); a row of 10 large spinules in front of spine: sc\cii small spines on median line of disk at 

 its highest joint; a few scattered minute s]iiciili--' sc :iicily showing through the skin near these spines 

 and on interorbital region, otherwise disk jxriictly Miniotli. 



Color in spirits, back a uniform drab, top of tail dusky, under surface of disk uniform white, under 

 surfai-c of tail light brown. 



