274 MEMOIRS OF THE CARNEGIE MUSEUM 



Compressed, back elevated, the profile descending rapidly to the sharp, de- 

 pressed snout; preventral area rounded, with about eight median scales to between 

 the origin of the pectorals; predorsal area narrowly rounded, with a median series 

 of five to seven scales and one or two paired scales near the occiput. Occipital 

 process pointed, reaching about one-fourth the distance to the dorsal fin; inter- 

 orbital flatfish, grooved; fontanel tapering to above the anterior margin of the 

 eye, with a bridge above the posterior margin of the pupil. 



Cheeks narrow, covered by the interorbitals; mouth small, terminal, directed 

 obliquely upward; lips medium; maxillary slipping under the preorbital, but not 

 concealed by it, reaching to below the nares; each jaw with about twelve (six on 

 each side) minute, brown-tipped teeth; lower pharyngeal teeth in three series, of 

 which the anterior series is remote, composed of about six teeth; gill-rakers minute, 

 about fourteen on the lower arch. 



Scales large, entire, very regularly imbricate; fins naked, an axillary scale. 

 Lateral line straight. 



Dorsal high, rounded, its height about 3 in the length, its origin about equi- 

 distant from snout and adipose; adipose well-developed; caudal deeply forked, 

 its lobes equal, about 3.5 in the length; anal obliquely truncate, its highest rays 

 not reaching base of last ray; ventrals not reaching anal by one or two scales; their 

 origin near middle of the length; pectorals reaching ventrals. 



Straw-colored, a dark band from chin to base of middle caudal rays; bases of 

 all the scales (except those of the breast) with a dark brown spot; anal dark; dorsal 

 spotted, the tips of the longest rays dark brown. 



Subfamily Hemiodontin^e. 

 Parodon Cuvier and Valenciennes. 

 Parodon Cuvier and Valenciennes, Hist. Nat. Poiss., XXII, 1848, 50, pi. 637. 

 Type, Parodon suborbitalis Cuvier and Valenciennes. 



Mouth inferior, cutting edge of the pluricuspid teeth of the upper jaw forming 

 a straight transverse line; teeth of the lower jaw absent or else confined to the 

 sides; no fontanel; gill-membranes united, free from the isthmus. 



131. Parodon bifasciatus sp. nov. (Plate XXXVI, fig. 1.) 



Type unique, 104 mm. Maripicru Creek. (Carnegie Museum Catalog of 

 Fishes No. 1925.) 



Head 5; depth 3.5; D. 11 ; A. 9; scales 4-38-3; eye 1.5 in the snout, 4.5 in the 

 head, 2 in the interorbital; teeth 2+ \Zs +2 - 



