1S2 Proceedings of the Royal Irish Academy. 



Plate XI. 



FIG, 



12. Luynbricillus niger n. sp. (continued) : 



E. Segment of body, showing glands of the epidermis. 



F. Brain. 



13. Mesenchytrmus celticus n. sp. : 



A. Prostomium and first segment, showing papillse and glands 



a. head-pore. 



B. Stellate epidermal glands. 



G. Coelomic corpuscles. 



D. Brain. 



E. Nephridium. 



F. Spermatheca. 



G. Male efferent apparatus. 



14. Enchytrc&us lohatiis n. sp. : 



A. Coelomic corpuscles. 



B. Brain. 



c. Copulatory gland in the fifteenth segment. 



D. Nephridium. 



E. Spermatheca. 



F. Another view of spermatheca. 



G. Sperm-funnel. 



15. Fridericia glandulosa Southern : 



Salivary gland. 



