Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. LIV. No. 20. 



A REVISION OF THE AMERICAN SPECIES OF CERAURUS. 



By Percy E. Raymond and Donald C. Barton. 



With Two Plates. 



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



PRINTED FOR THE MUSEUM. 



November, 1913. 



