696 EIGENMANN— SIXTEEN NEW PYGIDIID^. 



in the length ; caudal rounded, six and five tenths to seven times in 

 the length ; the first rudimentary dorsal ray over the base of the 

 ventrals, its distance from the base of the middle caudal ray equal 

 to its distance from the tip of the opercular spine, 1.47 in its dis- 

 tance from the snout. 



A dark band or row of spots from just above the gill-opening 

 to the base of the upper caudal lobe; a iew spots below the band 

 in the front half of the body in the larger specimen. 



This description is based on the two larger specimens, 68 and yy 

 mm. long. The two smaller specimens, 18 and 21 mm. long, are 

 uniform in color. 



8. Pygidium latistriatum spec. nov. 

 7450 C, t3'pe,46mm. Quebrada de Pinchote, Santander. Gonzales. 



Head 8 mm., length to base of caudal 39 mm. ; width of head 6 

 mm., interocular 2.5 mm., eye a little in front of the middle of the 

 head; distance from snout to origin of dorsal 23 mm., to its last 

 ray 27 mm. ; distance between origin of dorsal and base of middle 

 caudal rays 16 mm., distance from snout to origin of ventrals 22 

 mm., to origin of anal 28 mm., distance between base of last anal 

 ray and base of middle caudal rays 9 mm., maxillary barbel 8 mm., 

 nasal barbel 7 mm., length of outer pectoral ray with its filament 8 

 and 9 mm., the divided rays 5 mm., D. 8.5 ; A. 6.5, not counting the 

 imbedded rays in either case ; upper caudal rays 8 mm. ; lower caudal 

 rays about 6.5 mm. Accessory rays numerous. 



A lateral band from above the opercle to the middle of the 

 caudal, increasing in width backward ; mid-dorsal line dark ; a dark 

 stripe in front of the dorsal between the lateral stripe and the mid- 

 dorsal stripe. 



9. Pygidium regani spec. nov. 



?Pygidium tcenia Regan {non Kner & Steindachner), Ann. and 

 Mag. Nat. Hist. (8), XH., 191 3, p. 469 (R. Sipi and Rio 

 Tamana). 



13772 I., type, 55 mm. Tado, Rio San Juan. Purchased from 

 Rosenberg. 



