\'i\^ 



BUI,I,ETINS 



OF 



AMERICAN PAIyEONTOI^OGY 



-* 



Vol. 6 



No. 31 



PELECYPODAI OF THE/ ST. RHAURICE ANd/ 



CLAIBORNE/ STAGES 



BY 



G. D. Harris 



/u7ie JO, i(?i9 



Cornell Univ., Ithaca, N. Y 



U. S. A. 



Harris Co. 



