U. S. NATIONAL MUSEUM 



BULLETIN 123 PL. 18 



/3/ /?7//7//77a/7a 



/32 c/nereo/Zneo'/ra 



/33 ^6/b/T7//7//77a/7a 



/3^ c/c/jd/7//76/S 



/S3 c/eZ/ph/'/yo/'c/es 



Male Genitalia of Thiodia. 



For explanation of plate see page 278. 



