SOUTH AMERICAN NEMATOGNATHI. 373 



approximated near the 22d scute, thence running par- 

 allel to the caudal. 



Lateral line complete, composed anteriorly of two pores 

 at the margin of each lateral scute. 



A small pectoral pore. 



Distance of dorsal fin from tip of snout 3 in the length ; 

 first dorsal ray highest, a little shorter than the head, 

 the last ray less than half as long as the first. Caudal 

 emarginate, the upper lobe longer. Anal well devel- 

 oped, as high as the ventral and pectoral. Ventrals 

 reaching slightly beyond origin of anal, pectorals beyond 

 origin of ventrals. 



Dusky above, lighter below; dorsal fin with the pos- 

 terior half of each inter-radial membrane and the tip 

 blackish, the anterior half of the membrane transparent; 

 tip of caudal dusky, the rays indistinctly spotted; tip of 

 anal somewhat spotted; pectoral and ventral fins blackish; 

 upper lip and lower surface of lower lip dark violet. 



Head 4-l-4f ; D. 8; A. 6; V. I, 5; P. I, 6; Lat. 1. 30. 



Thirty specimens .19-. 30 m. Santa Cruz; Rio Guenda; 

 Sambaia; Mendez; Campos; Muriahe; Sao Matheos. 



314, Loricaria typus, 



Parahemiodon typus Bleeker, Silures de Suriname, 20, pi. vi, fig. 1 



and xiii, fig. 1 (Surinam). 

 Loricaria typus Eigenm. & Eigenm. 1. c. 

 Loricaria hemiodon Giinther, v, 258, 1864 (copied). 

 Habitat: Surinam. 



315, Loricaria phoxocephala, 



Loricaria phoxocephala Eigenm. & Eigenm. Proc. Cal. Acad. 2d Ser. 

 ii, 37, 1889 (Coary). 



Types: No. 8030; two specimens .14-. 15 m. to base of 

 caudal. Coary. 



This species can readily be distinguished by its pointed 

 snout and by the black bars on the head. 



Head long, pointed, the snout acute; depth of the 

 head 1-f in its width; occipital with scarcely evident 



