REVISION 
OF THE 
NORTH AMERICAN SPECIES OF rHE GENUS 
ie WC US 
GEORGE ENGELMANN, M.D. 
i) 
(Prom the Transactions of the Acad. of Sci. of St. Louis, vol 2, Nos, 2 § 3.) 
ST. LOUIS: 
GRORGE KNAPP & CO., PRINTERS AND BINDERS. 
1868. 
ef: Y¥2¥- Ys3 pobrished | (SOc 
¥S% —¥449 — 120F 
