SOUTH AMERICAN NExMATOGN ATHI. Oil 



Head obscurely spotted with dark; body marbled; dor- 

 sal rays spotted with dark, the spots extending upon the 

 membrane in front of each ray; caudal rays spotted, the 

 tips of the lower rays blackish; anal rays spotted; pec- 

 toral and ventral fins dusky, indistinctly spotted, nearly 

 black in the male; breast blackish (in the male); margin 

 of lips black. 



Head U-il; D. I, 7; A. 6; V. I. 5; P. I, 6; Lat. 1. 31. 



Over thirty specimens .06-. 26 m. to base of caudal. 

 Villa Bella; Lake Hyanuary; Cudajas; Manaos on the 

 Rio Negro; Xingu Cascade; Lago Alexo; Obidos; Coary; 

 Teffe'. 



318. Loricaria maculata. 



Loricaria maculata Bloch, Ansl. Fische viii, 73, pi. 375, tig. 1; 



Lacei3«de, Hist. Nat. Poiss. v, 1-40, 1803 (South America); Cuv. 



& Val. XV, 473 (loc. ?); Kuer, Pauzerwelse, SO, 1853 (Rio Gna- 



pore; Matogrosso; Surinam); Vaillaut, Bull. Soc. Philom. series 



7, iv, 157, 1880 (Calderou); Eigenm. & Eigeum. Proc. Cal. Acad. 



2d. Ser. ii, 38, 1889 (Coary; Sautarem; I^a; Hj-avarj^; Obidos; 



Teflfe; Jutahy). 

 Loricaria cirrhosa var. mnrulata Bloch k Schneider, Syst. Ichthyol. 



125, 1801. 

 Plecont07nus maculatus Swaiuson, Fishes, Reptiles, etc. ii, 304, 1839. 

 Loricariichthys maculatus Bleaker, Silures de Suriname, 10, 1864 



(Surinam). 

 Loricaria amazonica Ctiiiielniiw, Anim. Amerique du Snd. 46, plate 



xxlii, fig. 2, 1855 (Amazon). 

 Plecostomiis cataphractus Grouow, "Cat. Fish. 158," 1854. 

 Habitat: Rio Guapore; Calderon; Surinam. 



Depth l-y-li in the width. Head long, depressed, its 

 depth about 2 in its width; occipital with two keels, 

 margined posteriorly by three plates; interorbital con- 

 cave; snout depressed, acute, most so in the young, its 

 margin turned upward slightly and narrowly naked in 

 the adult. Orbital notch rather shallow, parabolic, 

 rarely somewhat anguLar; diameter of orbit with the 

 notch 4-2-5 in the length of the head. Eye 2i-3f in the 

 snout, 5j-7 in the head, If-ls in the interorbital. 



