70 PROCEEDINGS OF THE NATIONAL MUSEUM vol.85 



large, conspicuous, vrith high keels and sharp points. Few slender 

 filaments on head. Scales large, weakly ctenoid, cover most of head, 

 but fins except caudal base naked. Lateral line very short, only 

 slightly developed on several anterior scales. Dorsals moderately 

 notched, spines moderate and soft fin shorter than spinous. Anal 

 like soft dorsal, spines slender, second largest. Caudal rounded. 

 Pectoral moderate, reaches anal. Ventral small, inserted slightly 

 before pectoral, 



Giaracterized chiefly by its imperfect lateral line, large scales, 

 heavy armature of the head and large eyes. 



{<t>evo^, cheat -\-Scorpius, with reference to the incomplete lateral 

 line. ) 



PHENACOSCORPIUS MEGALOPS, new species 

 FiGUBE 30 



Depth 2% to 3; head 21/5 to 2%, width l^A to Ivs- Snout 4 to 

 41/5 in head from snout tip ; eye 31/2 to 3%, greater than snout or 

 interorbital ; orbit 31/3 to 3% in head from snout tip; maxillary 

 reaches 14 in eye, expansion I1/2 to 1% in eye, length 2 in head from 

 snout tip; teeth finely villiform, in bands of moderate width in jaws, 

 and small triangular band on vomer, none on palatines ; interorbital 

 81/2 to 91/3, deeply concave. Gill rakers 7 + 14, lanceolate, of which 4 

 or 5 above and below rudiments; slightly longer than gill filaments 

 or 3 in orbit. 



Spines all well developed, strong; pair of nasals; pair of antero- 

 supraorbitals, 3 pairs of postero-supraorbitals followed by 2 strong 

 occipital and nuchal pairs ; 3 postoculars, first small and close behind 

 eye; strong suprascapular spine; 2 very broad obtuse preorbitals; 

 suborbital stay with 6 or 7 spines, of which last may be double; 4 

 preopercular spines, with small one at outer front edge of uppermost, 

 which longest; 2 widely divergent opercular spines, opposite and 

 lower sometimes extends over gill opening; strong oblique humeral 

 spine. 



Scales 30 + 3 close above and along axial row of scales on side; 

 14 or 15 scales transversely at origins of soft dorsal and spinous 

 anal; 3 postocular scales; 17 predorsal forward to middle of eyes. 

 Lateral line very incomplete, only extends from suprascapula back 

 over 4 or 5 scales, tubes large, Avell exposed and simple. Scales with 

 8 to 12 basal radiating striae; row of 14 to 18 rather long, weak 

 apical denticles; circuli fine, coarser apically. Scales much smaller 

 on breast, chest, and belly than on sides. More or less slender, simple, 

 filaments at second supraorbital, occipital and second preorbital 

 spines. 



