694 



EIGENMANN— SIXTEEN NEW PYGIDIID^. 



spine of the interopercle, without a free membrane across isthmus ; 

 both jaws with two series of thin, chisel-shaped teeth. 

 Color plain, without spots or stripes. 



5. Pygidium metae spec. nov. 



13770 I., type, 78 mm. Barrigona. March, 1914. Manuel Gon- 

 zales. 



Head 6.3 in the length ; D. 10.5 ; A. 9.5 counting the rudimentary 

 rays; P. 6; width of head nearly equal to its length; eye entirely in 

 the anterior half of the head, snout 2.75 in the head, interocular 3.5. 

 Teeth conic. 



Nasal barbels reaching to tip of opercular spines, maxillary 

 barbel slightly beyond origin of pectorals ; pectorals small, equal to 

 the postorbital portion of the head, the first ray with its filament 

 equal to the head, origin of ventrals much nearer base of middle 

 caudal rays than to tip of pectorals, their tips reaching the anal ; 

 origin of anal under fourth dorsal ray (second fully developed ray) ; 

 the distance between the base of its last ray and the base of the 

 middle caudal rays six times in the length ; caudal rounded ; origin 

 of dorsal over tip of ventrals, its distance from the base of the 

 middle caudal rays two and two fifths times in its distance from 

 the snout. 



Sides and back densely covered with spots about the size of 

 the eye. 



6. Pygidium straminium spec. nov. 



All of the specimens examined were collected by Gonzales in 

 Santander, Colombia. 



Head 4-5-5-33; D. 10.5; A. 8.5-9.5; P. 9; posterior margin of 



