PLATE XLVII. 
1. Lateral view of the anterior end of Maldanella antarctica, Nearly natural size. 
2. Anterior surface of the snout of the same, . . Somewhat enlarged. 
3. Anterior region of Maldanella valparaisiensis. From the ventral 
surface, ...... Slightly enlarged. 
4. Lateral aspect of the anterior region of Maldanella neo-zealanice, Enlarged. 
5. Anterior end of Sahellaria (Pallasia) johnstoni. From the dorsal 
aspect, . . . . . . . 
6. Lateral view of the same region,^ .... 
7. Lateral view of the anterior extremity of Sahellaria [Pallasia) 
australiensis, ...... 
Enlarged. 
Enlarged. 
Enlarged, 
8. Anterior region of Petta assimilis. From the ventral surface, . Enlarged 
9. Posterior end of the same. From the dorsal aspect. Still further enlarged, 
10. Dorsal view of the anterior region of Ampharete kerguelensis, . Enla,rged, 
11. Anterior dorsal view of P%//ocomws crocew5, . . . Enlarged, 
12. Anterior end of Amphicteis sarsi. The specimen is softened and 
imperfect, but the proportional length of the bristles is 
indicated, ....... 
Enlarged. 
1 The curvature of certain of the anterior bristles is an idea of the engraver. 
