LL. 



Number 5. 



July, 1842. 



MONOGRAPH 



OF THE 



LIMNIADES 



OR 



FRESHWATER UNIVALVE SHELLS 



OF 



NORTH AMERICA. 

 BY S. STEHMAN HALDEMAN, 



MEMBER OF THE PHILADELPHIA ACADEMY OF NATURAL SCIENCES. 



PHILADELPHIA: 

 PUBLISHED FOR THE AUTHOR BY J. DOBSON, 106 CHESNUT ST. 



New York: Wiley & Putnam, 



Paris: J, B. Bailliere Rue de l'ecole de medicine, 17. 



London: H. Bailliere, 219 Regent Street. 



E. G. Doney, Printer, 



Price to subscribers, $1 a number, of 5 plates, and one sheet of letter- 

 press, payable on the delivery of each. Single numbers, $1 25, 



