SIXTH YEAR OF PUBLICATION, 
28, ESSEX STREET, STRAND, LONDON, October, 1876. 
No. 16. 
THE 
NATURAL HISTORY AND SCIENTIFIC’ 
* 
BOOK CIRCULAR: 
BOTA, 
WILLIAM WESLEY, BOOKSELLER AND PUBLISHER, 
NATURAL HISTORY & SCIENTIFIC BOOK AGENCY, 
_ 28, ESSEX STREET, STRAND, LONDON. 
Agency of the Smithsonian Institution. 
