XIV c. Vermes. Oligochaeta für 1898, 1899 und 1900. 55 



p. 19. — Y.Delfini n. sp.; Dlichaelsen (10), p. 20, Chile, Araukani { ?). — 

 Y. gracilis (Bedd.); Micbaelscn (10), p. 22. — Y. papulosa (Bedd.); 

 Michaelsen (15), p. 23. — Zu Yagansia: Microscolex Beddardi Rosa; Micha- 

 elsen (15), p. 159. 

 Zapotecia n. gen. (Subfam. Diplocardinae), ,,Setae paired, eight in each somite. 

 Clitellum short. Gizzards three, in V, VI and VII. Meganepliridia. Sperma- 

 thecae, two pairs in VIII and IX, with imperfect diverticle. No calcLferous 

 diverticles of the intestine. Prostates, two pairs, open on somite anterior 

 and posterior to the male pores, which are in XVIII. Penial setae present. 

 Sperm-ducts hidden in the muscles of the body-wall" ; Eisen {%), p. 205. — Z. 

 nmeca-mecae n. sp.; Eisen (2), p. 205, tab. 14, f. 180, Mexico, Ameca-meca. 



