PLATE XXIX. 
Fig. 1 
Fig. 2 
Fig. 3 
Fig. 4 
Fig. 5 
Fig. 6 
Fig. 7 
. Dorsal view of Hesione {Fallacia) pantherina, 
. Dorsal aspect of Hesione pacijica, .... 
. Head and anterior dorsal region of Dalhousia atlantica, . 
i 
. Head and anterior dorsal region of Eusyllis herguelensis, . 
. Enlarged dorsal view of SphcerosylUs Icerguelensis, 
1. Head and anterior dorsal view of Autolytus maclearanus. The two 
pale dorsaPmarks on the second body-segment are the bases 
of cirri, . . . . ... 
’. Ventral aspect of the head and anterior region of Aleiopa quadri- 
oculata. The condition of the feet has been already ex- 
plained, ....... 
Enlarged. 
Enlarged. 
Enlarged. 
Enlarged. 
X about 20. 
Enlarged. 
Enlarged. 
