PLATE XXII. 
Fig. 1. 'DovqqI yigw oi Sigalionhushii, ..... Enlarged.. 
Fig. 2. Dorsal aspect of the head and neighbouring region of Thalenessa 
digitata. A small hook draws back the fold covering the head. 
The specimen unfortunately appears to have been dried in front, Enlarged. 
Fig. 3. Dorsal view of the head and anterior region of Leanira japonica, .. Enlarged. 
Fig. 4. Dorsum of the anterior region of Psammolyce Jijiensis, . . Enlarged,. 
Fig. 5. The same region of Psammolyce occidentalis, . . . Enlarged. 
Fig. 6. Dorsal view of Eupholoe pMlippensis. The tentacle is not so 
distinct as in nature, ...... Enlarged. 
Fig. 7. Head of the same. The scales have been removed, and the nuchal 
fold has been retracted so as to show the head, . Still more enlarged. 
