290 Di". D. Eosa o?? neAc EartJnoorms. 



Megascolex armatus (Bedel.). 

 Hah. Christmas Island. 



Microscolex duhius (Fletch.). 



Hah. Colon, near Montevideo. Coll. by Mr. Oldfield 

 Thomas. 



Allolohophora caliginosa (Sav.). 



Hah. Colon, near Montevideo. Coll. by Mr. Oldfield 

 Thomas. 



Allolohophora cyanea (Sav.), subsp. profuga^ Rosa. 



Hah. Colon, near I\Iontevideo. Coll. by Mr. Oldfield 

 Thomas. 



Allolohophora putn's?, Hoffm. 

 Hah. Behring Island. 



EXPLANATION OF PLATE IX. 



Antens potarensis, sp. n. 



Fh;. 1 «. A copulatoiy seta If ventral seta of tlie clitellum), enlarged. 



Fig. 1 A. A normal seta (dorsal seta of the clitellum), enlarged. 



Fig. 2. A calciferous gland (in somite siv.). 



Fig. 3. A .'jpermatlieca. 



Pontodrilus ephippiger., sp. n. 

 Fig. 4. Prostate. 

 Fig. 5. Spermatheca. 



Perich(Bta brevis, sp. n. 



Fig, 6. Sperm-sacs (rs.), sperm-reservoirs (cs.), and diverticulum (cs.div.). 

 Fig. 7. Spermatheca. 



Pericliceta recta, sp. n. 



Fig. 8. Copulatory papillae behind the clitellum. 

 Fig. 9. Prostate. 

 Fig. 10. Spermatheca. 



Periclicsta pura, sp. n. 



Fig. 11 fl. Sperm-sacs in somite xii. (outer side). 

 Fig. 11 b. One sperm-sac in somite xii. (inner side). 

 Fig. 12. Prostate. 



F'ig. 13 fl. Right spermathnca (dorsal view). 

 Fig. 13 b. Ditto (ventral view). 



Pericliceta Belli, sp. n. 

 Fig. 14. Prostate. 

 Fig. 15. Spermatheca. 



Pericliceta Zi^nopora, sp. n. 

 Fig. 16. Prostate. 



