U. S. NATIONAL MUSEUM 



BULLETIN 123 PL, 57 



400 c//y/'3a/7a 



'^O/ /776/r/C(7r?a 



^02 ap/cana 



403 cor/7//o//cr/7cr 



^04 c//m/'/7C/f(7r/a 



'^'. % 



40S t//7ea/7a 



tK 



40^ 



fraa. 





ar/ci'e 



4oe a/^c7co3/ar7a 



409 L/r7^u/'ce//a 



4/0 pac/f/'ccr/ya 



4// ^<^oc/e///'a/7(7 



4/3 me<://o/rrsc/'<!7/7c:r 



Male Genitalia of Ancylis. 



For explanation of plate see page 286, 



