10 



PROCEEDINGS OF THE NATIONAL MUSEUM 



emargination near midlength; submarginal setae as in male. Range 

 of shell size of 10 specimens recorded in table 1. 



Type-locality and range. — A tributary of Big Turnbiill Creek 

 (to Harpeth and Cumberland Rivers) on the property of Bethany 

 Hills Church Camp in the southern portion of Cheatham County, 

 Tenn. 



Table 1. — Measurements (in mm.) of shells 



This species is known only from the type locality. 



Types. — The holotypic male, the allotypic female, and a dissected 

 paratypic male are deposited in the U.S. National Museum (nos, 

 111260 and 111261). Paratypes are in the collections of C. W. Hart, 

 Jr., and the joint collection of the authors. 



Host. — Orconectes rusticus subsp. (?) 



Relationships. — Uncinocythere stubbsi has its closest affinities 

 with those species of the genus having a distinct bifid ventral (or 

 posteroventral) margin of the peniferum: U. ericksoni (Kozloff, 1955), 

 U. caudata (Kozloff, 1955), U. neglecta (Westervelt and Kozloff, 1959), 



