JPioree, WhSh 18h Lee, Weems. PLATE XOXITV. 
Upper and middle: Floater, Anodonta grandis (Say), from James River, S. Dak. (See p. 35.) 
Lower: River pearl mussel, Margaritana margaritifera (Linnaeus), from Freeport, Me. (See p. 35) 
