688 



BULLETIN OF THY. UNITED STATES FISH COMMISSION. 



descemlinj; jji'ntilu; niduth Hiiiall, (iljlicjue, inaxillan- i^caicely rcacliinn vertical I'rDiu frunt uf pujiil, 

 barely longer than diameter of lower eye; teeth small, villiform, in a single series in upper jaw and on 

 sides of mandible, broadening to an irregular double series or a narrow i>atrh near symphysis; palate 

 smooth; vertical from fnmt cif upper eye jiasses thmngli middle of Inwer eye ( in males); interorbital 

 width wide and deeply eoni'ave; opposing margins of orbits elevated; a strong spine immediately in 

 advance of middle of upper eye, and a shorter compressed spine on anterior portion of its lower rim; 

 a similar spim- im upper anterior margin uf lower orliil, and a slenderer spine near tip of snout; 

 symphysis of lower jaw iirotrudes slightly, but the spine develo[ied im chin in E. ijrnniHsfjiiaDiis is 

 wanting in this species; all s|)ines wanting in females, in which also the interorbital space is of scarcely 

 apprecialile width; in the male, each eye is furnished posteriorly with a conspicuous broad semicircular 

 mend:>rane, the free margin of which is posteriorly directed and liiicly fringed; no trace of this 

 membrane exists in females; gill-rakers short and slender, their length about halt diameter of pupil, 

 12 in number on horizontal limb of outer arch. 



Dorsal tin originating opposite the re-enti'ant angle near tip of snout, the tirst 3 or 4 rays inserted 

 a little to the Ijlind side of ridge, the first ray provided with a free membranous fla|) on its anterior 



t^' 







'^'^^m^^ 



Fh;. 270. — Eiui'jpna^opon .rcnandrus Giltjort, new siiocics. Tyi"*.-. 



edge, none of the rays elongate or with free tips; venti'als unsymmetrical, that of left or eyed sirie 

 inserted im ventral riilge ami having an elongate base beginning at throat, the mend)rane of last ray 

 deflected to the left side of ventral ridge, and not joining tirst anal ray; anus displaced to the right 

 side and lying a little posterior to origin of anal tin; right ventral with a short base, inserteil laterally 

 and posteriorly with reference to the left ventral. 



Scales on left (eyed) siile ctenoid and caducous, on right siile cycloid and more closely adherent; 

 cheeks, opercles, interorlutal space and snout closely scaled; maxillary and mandible naked; lateral 

 line descriliing anteriorly a high short cuive, the chord of which is about twice its height. 



Color in life, grayish on eyed side, with blackish shades and mottlings, with '.i ill-detined black 

 spots along nni Idle of sides and a grayish interocular bar bordered with blackish; axil of pectorals black- 

 ish; vertical tins mm-e or le.ss speckled; dorsal and anal usually with a sul)basal series of dark spots 

 alternating with a basal series of pearly spots; a pair of faint dark spots on caudal near its base; pec- 

 toral with a dark bar at l.iase, a wiiler bar near middle of tin, and several ill-defined narrow bars on 

 distal hall; head and body with many small indistinct yellow spots; posterior half of blind side dusky, 



