1888.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 143 



fcudinal series besides 10 or 15 smaller ones. Soft parts of tbe vertical 

 fins densely sealed, the other fins covered more or less with fine scales. 

 Lateral line about evenly curved, with small wavy irregularities, more 

 evident in some specimens than in others, extending as far as a line 

 vertical from tbe posterior end of tbe dorsal, Irom which point it is 

 straight and extends by a few pores on the caudal. 



Dorsal fin low, the spinous part depressible into a groove, eleven 

 spines, the sixth spine 2.4 in head, 4 in depth ot body, continuous with 

 the soft dorsal, the last spines lower, thus making a slight depression 

 between spinous and soft parts. The base of the spinous portion equals 

 the base of the soft portion. The anal tin with three spines, graduated, 

 the third O.GG of the diameter of the eye, soft part similar to soft dorsal 

 but the anterior part is higher and the base shorter than the soft dorsal. 

 Longest anal ray 2£ in head, 2^ in base of fin. 



The caudal tin is forked, the upper fork slightly the longer, 1.17 in 

 the head. Pectoral fin l.G in the head. Ventral fin 1.9 in head, the 

 origin behind that of the pectoral. Peritoneum black. 



Coloration, in life: Top of head and back dark bluish, sides lighter 

 blue with metallic reflections, paler below the line with about 12 nar- 

 row, darker, horizontal bands running along the junction of the edges 

 of the longitudinal series of scales, rather distinct in the middle region 

 of the sides, less so forward and below; belly and chin white, cheeks 

 silvery, a white line extends from the snout horizontally under the 

 eye and as far as its posterior margin. A dark line under this line, as 

 long as the maxillary, extends back from the maxillary. Dorsal fin 

 blue, anal blue with pale base, caudal dusky, pectoral pale, tips of pec- 

 toral and base on inner side dusky, white below, axilla silvery. 



This species is allied to Kyphosm ( Pimelepterus) analogus Gill, differ- 

 ing in the higher anal and in the larger scales. (Scales 85 in K. anal- 

 ogus and the longest ray of anal, 4 in base of fin and 4 in head.) In the 

 latter the body is deeper, and the eye rather smaller. It is rather com- 

 mon in the bay at Guaymas, where we obtained six specimens. 



Measurements. 



Length of body to base of caudal. . 



Depth of body 



Depth of caudal peduncle 



Length of head 



Snout 



Interorbital space 



Eye 



Maxillary to tip of snout 



Sixth dorsal spine 



Base of spinous dorsal 



Base of soft dorsal 



Height of soft dorsal 



Second anal spine 



Base of soft anal 



Height of anterior rays of soft anal 



Height of posterior rays 



Pectoral 



Ventral tin 



Longest ray of candal 



Millime- 

 ters. 



134 

 65 

 14 



38 

 12 

 15 

 11 

 10 

 16 

 35 

 35 

 11 

 8 

 30 

 15 

 10 

 23 

 20 

 35 



In body. 



2.0 

 9.5 

 3.6 



In head. 



3.1 

 2.5 

 3.5 



3.8 

 2.4 



4.8 



2.5 

 3.8 

 1.6 

 1.9 

 1.1 



