614 



BULLETIN OF THE UNITED STATES FISH COMMISSION. 



Ileail 2o liundrciltlis of total length; (^nout (i; licail and trunk 38; base of ilorsai S. Dorsal with 22 

 rays, befiinninj; at the anterior niartrin of the ring containing the vent, and continued on SJ rings; 

 pectorals with 14 rays, caudal with 6; rings Ki '• ;!(>, the anal ring enumerated with those of the trunk. 



Snout short, compressed, with a thin low median crest in Its proximal two-thirds, the edge of the 

 crest nuaiutcly serrate; sujiraorliital rim elevated, shelving outward, contiiuied backward and a little 

 downward behind orbit as a wing-like ridge; occiput with a low median crest, which is not contiiuious, 

 with a similar short nuchal ridge; a strong ridge along ujiper margin of opercle; trunk with 7 ridges — a 

 pair of diirsal ridges, a corresponding pair of ventral ridges, a well-detined rirlge along middle of eacii 

 lateral face, and a low rounderl mid- ventral ridge; the mid- ventral and the lateral ridges cease at anal 

 ring, the other 4 continue on tail; all ridges are sharp, the faces between them concave; jicctorals and 

 caudal very short; a small anal with 5 rays develoi)ed immediately behind vent. 



Color in life hrirk-red, the dorsal face crossed by 13 narrow greenish cross-bars, each narrower 

 than one ring; a row of pearly spots along the i)air of ventral ridges, one between each 2 jilates. 



Family PEG.ASI1).4:. 

 Pegasus papilio, new sjiecies. Fig. 2:!9. 



Type, 47 iiiiu. long, frfjui station 414!), near I'.inl Island, dc[itli .'I-'I to 71 iathoius (captur<'d with 

 tlie tangles); tyi>e. No. r)l,"i4;i, V . S. Nat. :\lus. 



Lengtli of head :;."> hundredths of total length without caudal; greatest depth L'(i; greatest wiilth 

 at base of |iei'torals 4ri; at a.\il of ]>ectorals .'10; distance from vent to base of caudal 41 ; length of snout 



■^-f^::^^^^ 



2:iy. — Pc(jn!<ii.-i ]ifii>i/io (iillRTt. now spt'cirs. Type. 



18; width at middle of snout 3; length of maxillary 5; diameter of eye 8; width over middle of eye 12; 

 longest pectoral ray 41 ; longest ray of caudal 21; distance from front of dorsal and anal to base of 

 caudal 33. D. 5; A. fi; ]'. 11; V. 2; C. 8; tail with 8 rings. 



Snout viM-y long ami slen<ler, directed oblicpiely upward and forward at an angle of about 45° with 

 the axis of the body; of a|iiiroximately equal w idth Ibripughout, and .sipiare in cross-secli<in, each of 

 the lengthwisi' riilges provided with a series of coarse retrorse sjiines; mouth toothless, very obliiiue. 



