PATAGONIAN EXPEDITIONS: ZOOLOGY. 



EXPLANATION OF PLATE XXXIV. 



Fig. I. Hatcheria patagoniensis Eigenmann. See plate XXXIII, fig. 2. 

 Fig. 2. Hatcheria areolata (C. & V.). Mus. Comp. Zool. 

 Fig. 3. Gymnocharacinus bergii Steindachner. After Steindachner, X 3. 

 Fig. 3rt!. Dentition of the same. 



Fig. 4. Astyanax rutilus (Jenyns). Drawing by J. Green from a specimen from 

 the Rio Negro in the British Museum. 



(vol. in) 



