12 BULLETIN 51, i;]SriTP:D STATES NATIONAL MUSEUM. 



Report of Assistant Secretary (including reports of the 



head curators) pp. 1-75. 



Report on the Department of Anthropolog-y. By William H. Holmes, pp. 21-29. 

 Report on the Department of Biology. By Frederick W. True. pp. 31-44. 

 Report on the Department of Geology. By George P. Merrill, pp. 45-57, 9 pis. 



Appendices, pp. 77-152. 



I. The Museum staff, pp. 77-78. 

 II. List of accessions, pp. 79-117. 



III. Distribution of specimens, pp. 119-127. 



IV. Bibliography, pp. 129-149. 



V. Papers published in separat(> form. pp. 151-152. 

 Papers illustrating the collectit)ni- pp. 155-698. 



