12 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 
Report of Assistant Secretary (including reports of the 
head: curators): (2.2) eet Se oe eae pp. 1-75. 
Report on the Department of Anthropology. 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 pls. 
Appendices. pp. 77-162. 
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 separate form. pp. 151-152. 
Papers illustrating the collections. ......-...---.---- pp. 155-698. 
