U. S, NATIONAL MUSEUM 



BULLETIN 166 PLATE 45 



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Species of persephona 



1, P. lichtenstcinii, dorsal view; 2, same, left .side of carapace; 3, P. edirardsii, female, dorsal view; 4, same, 



abdomen; 5, P. oTbiculnris, female, dorsal view; 6, same, abdomen. (After Hell.) 



