ADVERTISEMENT. 
This list of the skeletons and crania in the Section of Com- 
parative Anatomy of the United States Army Medical Museum 
was prepared by Dr. H. 0 . Yarrow, and is intended for distri- 
bution, during the Centennial Exhibition, among naturalists and 
others interested in comparative anatomy, for the purpose of show- 
ing the deficiencies of our collection, and soliciting contributions. 
This collection constitutes one section of the Army Medical 
Museum, which, at present, is divided into six sections, as fol- 
lows : — 
In charge of Assistant Surgeon G. A. Otis, U. S. A., Curator, 
Surgical section ..... 6539 specimens. 
Anatomical section ..... 1254 “ 
Miscellaneous section .... 240 “ 
In charge of Assistant Surgeon J. J. Woodward, U. S. A. : — 
Medical section ..... 1279 specimens. 
Microscopical section .... 7275 “ 
Comparative Anatomy section . . 1522 “ 
The Army Medical Museum was created primarily for the pur- 
pose of preserving specimens illustrative of the wounds and dis- 
eases which produce death and disability during war, with the 
view of thereby facilitating the study of methods for diminishing 
mortality and alleviating suffering among soldiers. It is now the 
desire of the Surgeon General that, so far as the means placed at 
his disposal will permit, the collection shall be extended so as to 
embrace all forms of injuries and disease, so that it shall eventu- 
ally become a general Pathological Museum, accessible for study 
to all medical men who are prosecuting original inquiries. Of 
the great usefulness of such a collection, it is unnecessary here to 
speak, or to point out how vain all hopes have proved that any 
large collection of this kind can be created except with the aid 
