ON THE SPECIES OF THE GENUS ANOSTOMUS. 21 



statement is probably a mistake, since in the figure given 

 there are six. The species is nearer to proximus and va- 

 rius than to tceniatus. 



(/Schizodon.) 



ANOSTOMUS VITTATUS C.V. ; Gth. 

 D. 12 ; A. 11 ; L.I. 44 ; L. tr. _i_. 



4(5) 



This species is closely allied to A. fasciatus. It is a 

 trifle less slender. The general appearance is darker ; of 

 the bands across the flank the three anterior occupy the 

 same positions, but the fourth has given place to a longi- 

 tudinal band extending back to include the caudal spot. 

 The snout is one and a half times the diameter of the eye. 

 In the length of the body, without the caudal, the depth 

 is contained three and four-fifths times, or the length of 

 the head four and two-thirds times. The middle of the 

 length is below the ninth dorsal ray. The mouth opens 

 forward. The jaws are equal, and the teeth are crenu- 

 late in both. 



Hob. Porto do Moz ; Goyaz. 



ANOSTOMUS FASCIATUS Sp. and Ag. ; Gth. 



This .species is very close to the preceding. Aside from 

 being more slender, the main dependence in distinguishing 

 it is to be placed on the coloration, as the formula is about 

 the same for each. The tenth ray of the dorsal is nearly 

 over the middle of the length, in which the depth is con- 

 tained four and one-third and the length of the head four 

 and two-thirds times. The mouth opens forward, the 

 jaws are nearly equal, and the teeth are crenulate in upper 

 and lower. The snout is about one and one-fourth times 

 the diameter of the eye. Collected at Coary, Dutch Gui- 

 ana, Hyavary, Iga, Jos6 Fernandez, Jutahyj Lago Alexo, 



