4 AKT. 8. — S. TAiXAKA : DESCUirTIONÖ OF ONE NEW 



A\'i(ltli ol' lirsl iiill-opening- ... ... 0.!J cm. 



DiötaiK'o IVom tip of siicnit lu pectoral ... ... ... ... ... 10.7 ,, 



Distance from tip of snout to ventral ... ... ... ... ... 18.0 „ 



Length of base of first or second dorsal ... ... ... ... 2.2 „ 



Length of base of anal ... ... ... 7.2 „ 



2. Scyliorhinus platyrhynchus, n. bj). 



Height of body at a point just behind pectoral 8ii, and 

 head 4^ in total length as measured to root of lower caudal 

 lobe. Eye Ss, interorbital 3g, snout from anterior margin of 

 eye a trifle less than 2 in head. 



Body thick, moderately elongate, compressed and gradually 

 tapering behind. Head large, depi'essed. Eye lateral, high up, 

 midway between tip of snout and fourth gill-opening ; no nicti- 

 tating membrane. Sj)iracle small, circular, just behind eye, its 

 diameter about one half that of pupil. Intcrorbital very broad, 

 gently convex. Snout pointed, depressed above, broadly curved ; 

 its lateral outline with strong concavity at a point midway be- 

 tween tip of snout and anterior margin of eye. Mouth moder- 

 ately curved, its anterior tip nearer that of snout than first gill- 

 opening, but its angle much farther removed from the former 

 than from the latter. Lips rather thin ; lower lip not overlapped 

 by the upper at corner of mouth. Labial fold extending along 

 the lower jaw for | of the distance to symphysis ; that along 

 upper jaw extending toward posterior end of anterior nasal valve 

 for a length slightly less than i the distance to the latter. Teeth 

 tricuspid, the median cusp largest, set at rather wide intervals 

 than in fSci/lioî'hinus maci'orhynchus. Anterior nasal valves well 



