THE SPIDERS OF THE UNITED STATES. 



A COLLECTION OF 



THE ARACIINOLOGICAL WRITKGS 



OF 



NICHOLAS MARCELLUS HENTZ, M.D. 



EDITED BY 



EDWARD BURGESS, 



WITH NOTES AND DESCRIPTIONS BY JAMES H. EMERTON. 



BOSTON: 

 BOSTON SOCIETY OF NATURAL HISTORY, 



1875. 



