528 MEMOIRS OF THE CARNEGIE MUSEUM 



Head 4.3; depth 2.8; D. 68-73; A. 52-54; ventrals 5-1. 



Ovate-lanceolate; depth of caudal peduncle more than 2 in the head to the chin; 

 dorsal and anal more or less confluent with the lanceolate caudal, which is a little 

 longer than the head. Scales ctenoid, increasing in size toward the anterior part 

 of the dorsal and anal, and snout; lateral line straight; about eighty-six series of 

 scales; a row of scales along each raj^ of the dorsal and anal; blind side of the 

 anterior jiart of the head and snout with fringes, a large tuft on the snout just in 

 front of the mouth. 



Light gray, with rounded or vertical blotches of dark; each scale narrowly 

 margined with black, those of the sides with a faint median longitudinal line. 



SoLEONASUS*' gen. nov. 

 Type, Soleonasus finis sp. nov. 



Similar to Apionichthys, but the left ventral entirely wanting, and the eye 

 large, about equal to the interorbital. 



361. Soleonasus finis sp. nov. (Plate LXX, figs. 2, 3.) 



Type, 80 mm. Tumatumari. (Carnegie Museum Catalog of Fishes No. 

 2487.) , 



Cotype, 92 mm. Tumatumari. (I. U. Cat. No. 12549.) 



Head 4; depth 2.5; D. 64; A. 48; ventrals 5, 0; eye greater than the inter- 

 orbital, 6 in the head (from the chin to the gill-opening.) 



Elongate-oval; depth of caudal peduncle about equal to the length of the head 

 from the gill-opening to the chin. Dorsal and anal well separated from the caudal, 

 which is short, 4 in the length. 



Scales small, ctenoid; lateral line straight; anal rays and posterior dorsal rays 

 scaled, the entire dorsal scaled anteriorly; scales not increased in size towards the 

 fins or snout; scales of the blind side of the snout thin, deciduous, fringed. About 

 eighty series of scales. 



Sand-color, with about seven faint vertical lines. 



Order PLECTOGNATHI. 

 Family XXVII. TETRAODONTID.E. 



Puffers. 

 COLOMESUS Gill. 

 "Les Batrachopes" Bibron, Rev. Zool., (2), VII, 1855, 279 (psittacus). 

 Batrachops Hollard, Ann. Sci. Nat., (4), VIII, 1857, 321 {psittacus), preoccupied. 



'^ Solea, a sole; nasus, uose. 



