GILBERT AND STARK8 — FISHES OF PANAMA BAY 



59 



Measurements in Hu7idredths of Length without Caudal. 



Length without candal, in mm.... 



Head 



Depth 



Eye 



Origin of anal from caudal base. . 

 Origin of first dorsal from caudal. 



Length of jsectoral 



Length of anal base 



Number of dorsal spines 



Number of dorsal rays 



Number of anal rays 



Number of scales 



95 

 20I 



17 

 6 



38 

 43 

 l84 

 20 

 V 



1,9 

 1,20 



51 



113. Atherinella panamensis Sieindachnei-. 



Plate IX, Fig. 17. 



A single specimen obtained, 13 cm. in entire length. 



We add the following details to Dr Steiudachner's excellent description: — 

 Head 44 in length; depth 44. Eye 3| in head; snout 3|; interorbital width 2f. The 

 enlarged outer teeth of the upper jaw are in two series only in front of jaw, in one 

 series laterally. Pectoral 2| in length. The insertion of the ventrals is nearer the 

 tip of the lower jaw than the base of the caudal by half the length of the head. 



Family MUGILID^. 

 114. Mugil cephalus Linnaius. 



Taken by Gilbert at Panama in 1883 (Jordan, 1885, p. 371); not recorded 

 by other observers. 



115. Mugil thoburni Jordan & Starts. 



Recorded (as Mugil iiicilis) from Panama (Jordan & Gilbert, 1882 n, p. 624) 

 and from Chiapum (Steindachner). The types of the species were collected bv the 

 "Albatross" at the Galapagos Islands. 



