FISHES OF THE FAMILY LOKICAKIID2E. 293 



its middle in the others. Breadth of body at level of first anal ray 3f-4 times in the 

 distance from that point to the caudal. Head with dark cross-bands or irregular 

 patches ; back with 3 or 4 broad dark cross-bands ; fins with dark spots, or more or 

 less completely blackish. In other characters like L. cataphracta. 



Total length 205 mm. 



Paraguay. 



34. fLoRICARIA MACRODOX. 



Loricaria macrodon Kner, Denkschr. Ak. Wien, vi. 1854, p. 79, pi. ii.; Giinth. Cat. Fish. v. p. 255 

 (1864). * 



Very closely allied to the preceding species, but with shorter fins, a somewhat 

 broader and shorter body, and a longer snout. Head nearly as broad as long, its 

 length 4-|- times in the total length. Length of snout ly-lf times in that of the head. 

 First dorsal ray less than the length of head. Pectoral spine extending to anterior -J 

 of ventral. Breadth of body at level of first anal ray 3|- times in the distance from 

 that point to the caudal. Fins with dark spots. 



The typical specimen, from the Rio Cujaba, is 2G0 mm. in total length. 



35. Loricaria vetula. 



Loricaria vetula Cuv. & Val. Hist. Nat. Poiss. xv. p. 466 (1810) ; Val. Voy. d'Orbigny, Poiss. 

 pi. vi. fig. 2 (1847) ; Giinth. Cat. Fish. v. p. 256 (1864). 



Length of head 4^— 4-f times in the total length. Breadth of head nearly equal to 

 its length. Diameter of eye 9-11-g- times in the length of head, interorbital width 

 5 times, length of snout twice. 4 or 5 teeth on each side in the upper jaw, 6-8 in 

 the lower. 36-37 scutes in a longitudinal series, 21-23 +13-15. In the largest 

 example (480 mm.) the abdomen covered with numerous very small granular plates 

 to the level of the middle of the gill-opening ; a granular patch on the lower surface 

 of the head in front of each gill-opening. In smaller examples (240 ram.) abdomen 

 naked except for the lateral series of plates and a median strip of 2 or 3 irregular series 

 of small granular plates, sending a branch anteriorly on each side to the base of the 

 pectoral. Pectoral spiue extending to anterior ^ of ventral, or, in the larger specimen, 

 beyond its middle. Dorsal with a series of dark spots on the posterior half of each 

 interradial membrane. Pectorals, ventral, and caudal dark, with indistinct spots. In 

 other characters similar to L. cataphracta. 



Total length 480 mm. 



Three specimens (including the type of the species) : Rio Janeiro ; Buenos Ayres. 



36. fLORICARIA variegata. 



Loricaria variegata Steind. Denkschr. Ak. Wien, xli. 1879, p. 165, pi. iii. 



Length of head 5 times in the total length. Breadth of head 1\ times in its length, 



