PLATE LTIL 
Fig. 1. Lateral view of Schmardanella pterochceta, 
Fig. 2. Lateral view of Potamilla torelli. A portion of the tube — composed 
of sand-grains, with a few adherent shells — remains on the 
middle of the body, . . . . . 
Fig. 3. Dasychone violacea. From the dorsal aspect. 
Fig. 4. Anterior ventral region of the same, . . . . 
Fig. 5. Dorsal view of the anterior region of Dasychone nigro-maculata, . 
Enlarged. 
Enlarged, 
Enlarged. 
Enlarged. 
Enlarged. 
