EXPLANATION OF THE PLATES. 355 



Plate XIV. a. 



Figs. 1-3. Phifllodoce maculata. 1. Nat. size. 2. Anterior portion 

 of the body magnified. 3. Two segments of middle portion of 

 body still more highly magnified, to show the foliaceous cirri. 



Fig. 4. Psamatlie punctata. Animal magnified. The line attached 

 shows the natural length. 



Fig. 5. loida macroplithalma. Animal magnified. The line attached 

 shows the natural length. 



Plate XV. 



Fig. 1. Nereis pelariica, nat. size. 1 a. The head and proboscis 

 magnified, a. Small subulate antennae, p. Palpi, p. r. Jaws. 

 s. First segment of body. f. Tentacular cirri. 1 6. A lateral 

 view of a foot. 1 c. Two bristles : — magnified. 



Fig. 2. The young ? of N. pelagica. 



Fig. 3. Heteronereis margaritacea (details, magnified), a. Head 

 with proboscis extruded, h. One of the jaws separated, c. The 

 foot of the 12th ring. d. A foot from near the middle of the 

 body viewed latex-ally. 



Fig. 4. A side view of a foot of Nereilepas fucaia from about the 

 middle of the body, magnified. 



Plate XV. a. 



Figs. 1, 2. Sgllis armiUans. 1. Nat. size. 2. Animal magnified. 

 2, h. The head more highly magnified. 



Figs. 3, 4. St/llis proUfeya. 3. Nat. size. 4. Animal magnified. 

 4, h. Head and anterior segments. 4, s. Middle segments. 



4. t. Posterior extremity and styles : — all magnified. 



Plate XV. h. 



Gli/cera capitata. 



Fig. 1. Nat. size, and in a favourite position. 2. The same with 

 the proboscis protruded. 3. Head. 4. Proboscis fully extruded. 



5. Apex of proboscis viewed in front, to show the jaws. 



6. Three \dews of a jaw detached. 7. Side view of a foot from 

 near the middle of the body, slightly compressed. 8. A view of 

 two feet from above. 9. A bristle. 10. The tail : — aU mag- 

 nified. 



Plate XVI. 



Figs. 1-6. Phyllodoce honellir/era. 1. Nat. size. 2. Head, and pro- 

 boscis as this appears when half extruded. 3. Proboscis fully 



