GILBERT AND STAU Kb — FISHES OF PANAMA HAY 



93 



at their posterior ends by a distance eqiuiliiij^ the diameter of tlie pupil; anteriorly 

 they converii;e, meetinfi; at a point opposite the front of the eye. 



The gill-rakers are long and slender, the longest two-thirds to five-sevenths 

 the diameter of the eye, there being 5 or 6 movable ones on the vertical limb, an<l 

 11 or 12 on the horizontal limb, besides 2 or 3 immovable riulimetits on each limb. 

 There are ol or 52 tube-bearing scales in the course of the lateral line, corresponding 

 in number with the approximately vertical series along the Ijack. Each vertical row 

 under the mi(K]!e of the second dorsal fin contains 7i or S\ scales in the fifteen 

 specimens examined. The lateral line is pale, but is accompanied above and below 

 by short stiteh-likc liiu's of black pigment, one pair for each scale. 



MeasiiretncHts in Hundredths of Length without Caudal. 



Length in mm. frum lip ui .-jiiout to caudal basi 

 Head witlioui lower jaw 



Depth . 



Eye .... 



Interorbital (bone only) 



Maxillary 



Third dorsal spine 



Fourth dorsal spine 



Fifth tlorsal spine 



Second anal spine 



First anal ray 



Second dorsal ray 



Pectorals 



Ventrals 



Caudal 



Caudal peduncle (height) 



Vent from front of anal 



Distance from anal to base of ventral spine. 

 Longest gill-rakers 





23I 



JO 



III 



4l. 



18 

 18 



26 I 27 

 23 



25 

 12 



\2.\, 

 36 



4i 



230 



39 



27!- 

 5i 

 5i 



14* 



17 



i6i 



Hi 



27 

 18 



17 

 27 



22 



25 

 III 



14 

 37i 

 4i 



ii:n 



November 21, 1903. 



