98 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxv. 



white; teeth vitriol green. In life this species is more brilliantly 

 colored than any other known to the writer. 



Two specimens, the type, Cat. No. 62234, U.S.N.M., measuring 

 190 mm. in length, and the cotype No. 20957, Stanford University 

 collection. 



CHOEROPS JORDANI, new species. 



Head 3 in length to base of caudal; depth 3.5; depth caudal 

 peduncle 8.6 ; lenth snout 2.8 in head ; diameter eye 4.5 ; width interor- 

 bital space 3.2 ; D. XIII, 7 ; A. Ill, 10 ; scales in lateral line 27 ; be- 

 tween lateral line and base of dorsal 2 ; between lateral line and 

 origin of anal, counting upward and forward 9. 



Anterior contour strongly arched; lower jaw projecting slightly 

 beyond the upper; interorbital region convex, a little less so than 

 the occiput ; mouth rather large, the concealed maxillary extending 

 to a vertical through anterior edge of pupil. Inner teeth coalesced, 

 the cutting edge rather narrow laterally but becoming broadened 

 anteriorly, the plates of upper jaw having a pair of small teeth at 

 the symphysis; 4 widely spaced canine teeth in each jaw, the outer, 

 lower ones largest, curved backward ; each of the median upper 

 pair with a small canine at its base; posterior canines large. Gill- 

 rakers very short, slender, and pointed ; 7 or 8 on lower limb of first 

 arch. Preopercle very finely serrated. Scales of cheek in 5 rows, 

 small and nonimbricate ; occiput and border of preopercle naked; 

 6 scales in a line between first dorsal spine and the occiput. Lateral 

 line following contour of body to a point below beginning of soft 

 dorsal, where it bends downward and then passes along middle of 

 caudal peduncle. Dorsal spines highest posteriorly, the longest con- 

 tained 3.2 in head; longest ray 2.8; dorsal and anal projecting an 

 equal distance posteriorly, not reaching base of caudal. Caudal trun- 

 cate, the tips of upper rays projecting; length 1.5 in head. Ven- 

 trals 1.5 in head, their tips just reaching anal opening. Pectoral 1.3 

 in head. 



Color in alcohol pale brownish above, lighter below; a dark stripe 

 originating just above axil of pectoral and extending to base of 

 caudal, the lower edge coinciding with the median line of body, the 

 stripe broadening gradually posteriorly, the dorsal edge passing 

 upward to base of last dorsal spine and intruding somewhat on base 

 of soft dorsal; broad posterior part of stripe including an oblong 

 yellowish spot which passes saddle-like over the caudal peduncle; 

 upper edge of caudal dusky. 



Four specimens from the market at Naha. 



Tyj)e.— Cat, No. 62235, U.S.N.M., 135 mm. long. Cotype, Cat. 

 No. 21103, Stanford University collection. 



Named for President David Starr Jordan of Stanford University. 



