378 CALIFORNIA ACADEMY OF SCIENCES. 



Lower surface of the head naked except a narrow mar- 

 ginal band. 



Teeth few, minute in the upper jaw, similar teeth but 

 more numerous in the lower jaw. Margin of upper lip 

 slightly fringed, lower lip rounded. 



Anal plate pointed in front, margined by 2, rarely 3, 

 anal plates; belly with 3 series of plates; breast with 

 irregular smaller plates. Nuchal plates bicarinate. Lat- 

 eral keels prominent, remaining distinct, becoming ap- 

 proximated on the 16th or 17th scute. Surface of the 

 head and of the anterior scutes with longitudinal series 

 of small spines. 



Distance of dorsal fin from tip of snout about 3 in the 

 length; first dorsal ray about 1^ in length of head. Cau- 

 dal fin emarginate, the uppermost ray slightly produced. 

 Anal about as high as the ventrals; ventrals higher than 

 the pectorals, reaching beyond origin of the anal; pec- 

 torals about to the ventrals. 



Back with five dark cross bands; dorsal rays spotted, 

 the spots extending upon the membranes in front of 

 each ray, tips dusky; margin of lower caudal lobe black- 

 ish, the rays spotted, base of caudal dusky; anal plain; 

 ventrals slightly dusky; pectorals much darker. 



Head 4-4|; D. 8; A. 6; V. I, 5; P. I, 6; Lat. 1. 28-29. 



Twenty-five specimens .075-. 17 m. Coary; Santarem; 

 lea; Hyavary; Obidos; Teffe; Jutahy. 



319. Loricaria konopickyi. 



Loricar/a konopiekiji Steiudachuer, Denk. Ak. Wieu, xli, 45, pi. vii, 



1879 (Amazon); Eigeum. & Eigeum. Proc. Cal. Acad. 2d Ser. ii, 

 39, 1889. 



Loricaria valenciennesi Vaillaut, Bull. Soc. Philom. Ser. 7, iv, 157, 



1880 (Calderon). 

 Habitat: Amazon; Calderon. 



320. Loricaria lanceolata. 



Loricaria lanceolata Gunther, Proc. Zool. Soc. Lond. 18(iS, 235, 

 fig. 3 (Xeberos); Boulenger, Proc. Zool. Soc. Lond. March, 1887, 

 277 (Canelos); Eigenm. & Eigenm. 1. c. 



Habitat: Xeberos; Canelos. 



