1892.] Bifurcated Annelids. 733 
Fig. 8. Enlarged view of anterior end of fig.7. Bonnet (1), 
pl. 1’, fig. 16. 
Fig. 9. Procerea tardigrada, non-sexual form with a male 
bud having two tails; drawn from nature. 
Fig. 10. Lumbricus terrestris, drawn from living specimen. 
Bell (5). 
Fig. 11. Posterior end, enlarged, of the left tail of fig. 9. 
Fig. 12. Posterior end, enlarged, of the right tail of fig. 9. 
Fig. 13. Same as fig. 10 but drawn while in another position. 
Fig. 14. Same as figs. 10 and 13. 
