K^iiioplfriis. QQ 



-of spiracle lof, distance between spiracles 2y, distance between eye and spiracle 61, 

 length of mouth-cleft about 2, distance between tip of snout and middle of upper lip 

 about 2, between tip of snout and posterior end of labial groove i^, between posterior 

 end of base of second dorsal and root of upper lobe of caudal if, length of spine of 

 first dorsal 6|, spine of second dorsal 3 in head as measured from tip of snout to first 

 gill-opening. 



Body moderately elongate, rather slender, compressed ; caudal peduncle rather 

 long, very slender ; upper contour of body evenly curved, but the lower nearly straight, 

 highest part of body at the origin of first dorsal ; tail bent slightly upward. Head large, 

 thick, depressed ; eye large, high up, without nictitating membrane ; skin about eye 

 more or less loose, forming a pit in front of and behind eye ; interorbital wide, very 

 broadly rounded ; snout short, abruptly curved in profile from about nostrils forward ; 

 spiracles large, oval, superior, at a short distance behind eye ; gill-openings five in 

 number, small, all entirely in front of pectoral ; posterior gill-openings smaller and 

 more close together than anterior ones ; the posteriormost one very close to root of 

 pectoral ; nostrils nearer tip of snout than eye, superficially separated into anterior and 

 posterior ones by anterior and posterrior flaps ; anterior nostril rounded in outline but 



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