SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL.148, NO. 2. PLATE 2 



la 



lb 



■1C. ATRIBONIUM PINGUE; 2-2B, ATRIBONIUM SUCCIDUUM; 

 3-3C, ATRIBONIUM COOPERORUM; 4, ATRIBONIUM SP. 



(SEE EXPLANATION OF PLATE AT END OF TEXT.) 



