lo University of Michigan 



44. Ancyhis parallclus C. B. Ads. — Schoolcraft : One 

 small specimen was found in the debris of the hardwood forest, 

 and another lot (of eleven) was collected from sand and grass 

 in Bear Creek. Alger: A single specimen from pond lily- 

 leaves. Chippewa: From pond lily leaves in Beaver Pond. 



45. Campcloma dccisa (Say). — Schoolcraft: Four lots 

 were collected from the Manistique River, and two from Bear 

 Creek. The latter are eroded, not only on the apex but on the 

 body whorl as well, to such an extent that holes have been 

 vrorn through the shell. The shells from the river are not so 

 much eroded, and are coated with a dark reddish deposit. 

 Chippewa : From a pond near the edge of the road. 



46. Campcloma milesii Lea? — Chippewa: Young speci- 

 mens from Shelldrake River, Vermilion. 



47. Amuicola limosa (Say). — Schoolcraft: From sand and 

 grass in Bear Creek. Alger: A good series of this small 

 operculate was collected from lily pads. 



48. Lampsilis lufcola (Lam.). — Schoolcraft: From shal- 

 low water in a river cut-ofif, and from sand at the edge of the 

 Manistique River. 



49. Anodonta marginata Say. — Schoolcraft: From shal- 

 low water in a river cut-ofif, and from sand and muck bottom 

 in Meesic Lake. The latter are pale yellow tinged with green, 

 and the former are very large and of a darker color. The 

 largest measures 133 mm. x 61 mm. x 50 mm. Chippewa: 

 From a pond and from Beaver Pond at Vermilion. These 

 are deeply colored with green and brown, and show the beak 

 sculpture and the rays of the epidermis. Others were taken 

 in Vermilion Lake, and Shelldrake River, near Vermilion. 

 Alger: Three left valves from Howe's Lake, with the note 

 (by Wood) : "Found at edge of lake. Opened by muskrats?" 



