394 W. C. M'INTOSH ON BRITISH ANNELIDA. 



Fig. 19. Superior ventral bristle. Magn. 350 diam. 

 Fig. 20. Median ventral bristle. Magn. 350 diam. 



PLATE LXX. 



Fig. 1. One of the stouter dorsal bristles from a large specimen of Evarne impar from 



Herm. Magn. 350 diam. 

 Fig. 2. Superior ventral bristle. Magn. 350 diam. 

 Fig. 3. Lower median ventral bristle. Magn. 350 diam. 



Fig. 4. One of the longer dorsal bristles of Hermadion assimile, n. s. Magn. 350 diam. 

 Fig. 5. One of the shorter dorsal bristles. Magn. 350 diam. 

 Fig. 6. Ventral bristle. Magn. 350 diam. 



Fig. 7. Dorsal bristle of Enipo Mnhergi, Mgrn. 1 Magn. 350 diam. 

 Fig. 8. Ventral bristle with simple tip. Magn. 350 diam. 

 Fig. 9. Bifid ventral bristle. Magn. 350 diam. 

 Fig. 10. Ventral bristle (a large form with simple tip) viewed antero-posteriorly. Magn. 



350 diam. 

 Fig. 11. Dorsal bristle oi Acholoe astericola, Delle Chiaje. Magn. 350 diam. 

 Fig. 12. Ventral bristle. Magn. 350 diam. 



Fig. 13. Anterior scale oi Sthenelais limicola, Ehlers. Magn. 40 diam. 

 Fig. 1 4. Scale of Sigalion hiskii, n. s. Enlarged. 



Fig. 15. Portion of the edge of a scale of Sthenelaisl zetlandica. Magn. 350 diam. 

 Fig. 16. Superior ventral bristle in chloride of calcium. Magn. 350 diam. 

 Fig. 17. Inferior ventral bristle. Magn. 350 diam. 



