Bouchard, Raymond W. <br/><br/>
A new subgenus and two new species of crayfishes of the genus cambarus (decapoda  cambaridae) from the Southeastern United States / 
Raymond W. Bouchard and Horton H. Hobbs, Jr. 
 - City of Washington :  Smithsonian Institution Press,  1976. 
 - 15 p. :  ill. ;  26 cm. 
 - Smithsonian contributions to zoology ;  no. 224 .
<br/><br/>Includes bibliographical references : p. 15. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cambarus cracens.<br/>Cambarus nodosus.<br/>Cambarus.<br/>Crustacea--Southern States.