SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 144. NO. 3. PLATE 16 



1-3, Petalobrissus DJELFENSIS (GAUTHIER): 4-6, Petalobrissus 



UEFEBVREI (FOURTAU); 7-9, PETALOBRISSUS AMMONIS (FOURTAU); 

 10-13, PETALOBRISSUS SETIFENSIS (COTTEAU) 



(SEE EXPLANATION OF PLATES AT END OF TEXT.) 



