U. S. NATIONAL MUSEUM 



BULLETIN 123 PL. 9 



^5' duo// a. 



r/(2 



46 /7eo/?7ex/ra'/7a 



SO 



•^■5' r/(:^/c/a/7a 



/P(7^sac/e/7a/7i:? 



S/ i^o'Sc/c<^/7a 



/r7o/7fa/7a 



-^^ /?^ys/7/7e/// 



^■3 /'rusfrarja 



Male Genitalia of Rhyacionia. 



For explanation of plate see page 275. 



