Number 4. 



January, 1842. 



MONOGRAPH 



OF THE 



LIMNIADES 



OR 



FRESHWATER UNIVALVE SHELLS 



OF 



NORTH AMERICA. 

 BY S. STEHMAN HALDEMAN, 



MEMBER OP THE PHILADELPHIA ACADEMY OF NATURAL SCIENCES. 



CONTENTS. 



LiMNEA ELODES, 



UMBROSA, - 



REFLEXA, 



ATTENUATA, 



EXPANSA, 



DESIDIOSA, 



Plate 6. 



7. 



9. 

 10. 



PHILADELPHIA: 



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



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



LONDON: H. Bailliere, 219 Regent Street. 



E. G. Dorsey, Printer. 



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

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



