112 PROCEEDINGS OF THE NATIONAL MUSEUM vol.85 



and straight, first tubes as 6 branches which diminish to a simple 

 branch on posterior scales. Scales with 4 or 5 basal radiating striae; 

 12 to 20 short broad apical denticles; circuli fine, obsolete or ends 

 abruptly terminally. 



D. IX-16, I, third spine 2% in head, fourth ray 3%; A. 16, i. 

 sixth ray 4; caudal 1%, truncate, only slightly emarginate as con- 

 tracted; least depth of caudal peduncle 1% in eye; pectoral reaches 

 front part of anal or 2% to caudal base, rays i, 6, iv-iii, fin li/e 

 in head; ventral V/^, rays I, 5. 



Pale brown above, under half of body whitish. Iris pale, evidently 

 white in life. Upper section of pectoral largely blackish gray, 

 especially terminally, edge all around whitish and each ray edged 

 with white. 



H.W.F.deL 



Figure 53. — Pachytriyla marisinensis, new genus, new species. Type. 



Type.—V. S. N. M. no. 988G7. (2G94.) D. 5302. Lat. 21°42' N., 

 long. 114°50' E., China Sea. In 38 fathoms. August 9, 1908. 

 Length 147 mm. 



Known only from the type. 



(Named for the China Sea.) 



BOVITRIGLA, new genus 



Type. — BovitrigJa acanthomopJate^ new species. 



Body elongately ovoid, well compressed. Head rather large, deep, 

 compressed. Snout little less than head, its front upper profile 

 straight. Eye large, well impinging on upper profile, largely within 

 front of last half of head. Mouth low, nearly horizontal. Maxillary 

 not reaching eye. Teeth minute, in fine bands in jaws, feeble short 

 band on vomer, none on palatines. Interorbital broad, deeply con- 

 cave. Pair of strong, acuminate rostral spines, directed forward, 

 nearly long as eye. Small postero-supraorbital spine. Long, strong, 

 suprascapular spine. Similar humeral spine. Ridge of suborbital 



