Family XI. Pceciliid^. 



137 



rated from the rest of the fin by a shallow notch; teeth in two series, 

 the outer very loose and bicuspid ; intestinal canal long, coiled on right 

 side, about four times the length of the body; peritoneum black; gill 

 rakers numerous, about 40 on first arch. 



aa 



KEY TO THE SPECIES OF GOODEA. 



Dorsal fin longer than the anal; dorsal rays 

 15; anal rays 12; scales small, more than 40; 

 about 19 in a cross series; body elongate, its 

 depth 3^ to 4; scales 20-55 > a prominent dark 



lateral band; vertical fins with black bars 



Anal fin equal to or longer than the dorsal; 



scales larger, less than 50 in the lateral line; 



no prominent dark lateral band; no black bars 



on vertical fins. 



b. Body rather slender, its depth 3^ in length; 



scales moderate, 15-45; dorsal rays n; anal 



rays 15; caudal peduncle slender, its least 



depth if in head 



bb. Body rather deep, its depth 3 to 3 J/3 in body; 

 scales large, 35 to 44; dorsal rays 13; anal 

 rays 14; caudal peduncle deep, its least depth 

 about 2 in head. 



Dorsal fin slightly in advance of anal, its 

 origin to base of caudal if in its distance 



from tip of snout 



Dorsal fin slightly behind ventrals, its origin 

 from base of caudal 2 in its distance from 

 tip of snout 



. whitei 137 



.toiveri 138 



c. 



cc. 



, luitpoldi 139 



.atripinnis 140 



127. Goodea whitei sp. nov. Mixpapatl. 



Type, No. 4547, F. C. M., 2.8 inches in length; Yautepec, Morelos. 

 Upper tributaries of the Rio Balsas. (Cuautla; Yautepec.) 



Fig. 40. Goodea whitei Meek. 



