EXPLANATION OF PLATE XX VL 



Fig. I. — Genital area of MegascoUdes oneilli, sp. nov. c, clitel- 

 lum ; i. , transverse depression ; & , male aperture. 

 The only setae seen in this region are indicated. 



,j 2. — Spermatheca of the same, of segm. vi, left side; a.^ m 

 situ] b., main portion turned backwards. 



j^ 3. — Genital area of Notoscolex striatus, sp. nov. The shading 

 on the ventral surface of the three segments indi- 

 cated shows the extent and intensity of the brown 

 pigmentation. Male apertures not seen; «., small 

 nodular elevations at bend of grooves. 



,, 4.— The same, another specimen; n., nodular or tag-like 

 projection; cf , male aperture. 



,, 5. — vSpermatheca of the same. 



,, 6. — Genital area of Notoscolex stewarti^ sp. nov. n., nodular 

 projection; ^., transverse depressions; & . male aper- 

 ture. 



,, 7. — Prostate of the same. d., prostatic duct; v.d., vas 

 deferens. 



,, 8. —Spermatheca of the same. 



,, 9. — ^Spermathecae of Plutellus aborensis, sp. nov. a., segm. 

 ix, right side; b., segm. viii, right side, x indicates 

 position of duct, not visible from above. 



,, 10. — Genital seta of the same, X 132. 



,, II. — Spermathecae of Perionyx kempi, sp. nov. a., segm. vii, 

 right side; 6., segm. viii, right side. 



,, 12. — Distal end of genital seta of Perionyx kohoensis^ sp. nov., 

 X ca. 400. 



