Bulletin of the Museum of Comparative Zoology 



at harvard college. 



Vol. LIL No. 6. 



ZOOLOGICAL KESULTS OF THE THAYER BRAZILIAN 

 EXPEDITION. 



PRELIMINARY DESCRIPTIONS OF NEW GENERA 



AND SPECIES OF TETRAGONOPTERID 



CHARACINS. 



Bt Cakl H. Eigenmann. 



CAMBRIDGE, MASS., U. S. A. : 



PRINTED FOR THE MUSEUM. 



December, 1908. 



