480 



PROCEEDINGS OF THE ACADEMY OF 



[Oct. 



silvered. Fins uniform dull brownish. Iris reddish-brown. Length 

 2| inches (caudal damaged). Type. 



Fig. 58. — Metynnis lima Cope 



Cope's statement that "the head enters the latter {i.e., length of 

 body without caudal] three and two-tenth times" is incorrect, as I 

 find it about 2|. 

 Stetliaprion erythrops Cope. Fig. 59. 



Proc. Amer. PhUos. Soc. PhUa., XI, 1869-70 (August 19, 1870), p. 562, fie;. 

 (2). Type, No. 8,031, A. N. S. P. Pebas. John Hauxwell. 



Width of head 1|| in its length; interorbital space 2§ in head, meas- 



