List of the Mollusca of Missouri. 69 



other localities given by other authors. A total of 117 

 species and varieties is given, and a record of 900 local- 

 ities. 



Systematic Catalogue of Species. 



Pelecypoda. 



TELEODESMACEA. 



Cyrenacea. 

 SpH-ERinxas. 



SPH.&RIUM Scopoli. 



1. Spilerium solidulum Prime. 



Jackson, Cape Girardeau Co.; Stream, Peirce 

 City, Lawrence Co.; Lamar, Barton Co. (Re- 

 sembles.) 



2. Sptlerium stamineum Conr. 



Marmaton River, Nevada, Vernon Co. 



3. Spilerium stamineum forbesi Baker. 



McAllister Springs, Saline Co. ; Flat Creek and 

 Springfork, Pettis Co. 



4. Sph-erium striatinum Lam. 



Flat Creek and Springfork, Pettis Co.; Lamar, 

 Barton Co.; Marmaton River, Nevada, Vernon 

 Co. ; McAllister Springs, Saline Co. (near) ; Sar- 

 coxie, Jasper Co. ; Dent Co. 



musculium Link. 



5. Musculium transversum Say. 



Lamar, Barton Co. ; North River, Palmyra, Ma- 

 rion Co.; Jackson, Cape Girardeau Co.; Coon 

 Creek, Jasper Co. ; Flat Creek and Springfork, 

 Pettis Co. 



