EXPLANATION OF PLATE XVIL 



Fig i-x -HoUochaetella sudoria ; region of spermathecal aper- 

 tures. X, group of displaced setae ; sp., spermathecal 

 apertures. 



J4 _The same ; spermatheca. 



1^,—Eoplochaetella kempi ; region of male apertures, x, pa- 

 pilla surrounded by groove ; pr. , prostatic apertures. 



i6.— The same ; spermatheca, represented with an accessory 

 gland alongside. 



ij,—HoplochaeteUa inomata ; spermatheca. 



iS.—Hoplochaetella bifoveata; region of male apertures, x, 

 depression ; pr. , prostatic apertures. 



ig.—Hoplochaetella afflnis ; region of male apertures, pr., 

 prostatic apertures. 



20.— The same ; spermatheca. 



21,—Erythraeodrilus kinneari ; spermatheca. 



22— Octochaetus castellanus ; spermatheca. 



