Bulletin of the Museum of Comparative Zoology AT HARVARD COLLEGE. Vol. LII. No. 6. ZOOLOGICAL RESULTS OF THE THAYER BRAZILIAN EXPEDITION. PRELIMINARY DESCRIPTIONS OF NEW GENERA AND SPECIES OF TETRAGONOPTERID CHARACINS. By Carl H. Eigenmann. CAMBRIDGE, MASS., U. S. A. : PRINTED FOR THE MUSEUM. December, 1908.
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