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NUMBER 4. JANUARY, 1842. 



A 



MONOGRAPH 



OF THE 



LIMNIADES 



OR 



FRESHWATER UNIVALVE SHELLS 



OF 



NORTH AMERICA. 

 BY S. STEHMAN HALDEMAN, 



MEMBER OF THE PHILADELPHIA ACADEMY OF NATURAL SCIENCES. 



CONTENTS. 



LlMNEA ELODES, .... PLATE 6. 



UMBROSA, - ... ,,7. 



REFLEXA, .... j, 8. 



,, ATTENUATA, - ,,9. 



,, EXPANSA, ... }) 



DESIDIOSA, ... 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. Dorset/, Printer. 



- -Hfc 



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. 



