ASTROBLEPUS GRIXALVII. 21 i 



and flat ; the eyes, as indicated by the name, placed 

 vertically, and very small; the mouth terminal, 

 having a barbule at each angle ; all the fins having 

 the first ray lengthened to a short filament, which 

 is also the case with the two exterior ravs of the 

 tail. The formula of the fins is, 



P. 10 A. 7 C. 12 Br. 4. 



Another fish, having very remarkable facts at- 

 tached to its history, is also described by this great 

 traveller; and we are not aware that subsequent 

 researches have thrown aay further light upon its 

 history; it if 



