6 University of Michigan 



description of the lateral tooth also agrees better with that of 

 conradicus. 



In short the perennial question as to the adequacy of Rafin- 

 esque's descriptions again appears. 



If the identification of rimosns with calatiis is revised or 

 the description of rimosns rejected wholly, as it should be, for 

 indefiniteness, a new name will have to be found for the genus 

 typified by ccclatus Con. and characterized by Ortmann. 



