Natural Science, vol. vii. 



\PlaU XII. 



Worms and Arthropods. 



Fig. I. Pelagonemertes roUestoni, Moseley; from dorsal surface ; enlarged 

 P, proboscis, partly extended. I, intestine with diverticula (D). G, superior 

 nerve ganglion. V, vascular trunk. O, ovaries. CM, circular muscles. 

 LM, longitudinal muscles. Fig. 2. Peripatus capeitsis, from the dorsal surface. 

 Fig. 3. Andania gigantea, Stebbing ; an amphipod ; nat. size. Fig. 4. A(.un- 

 thozone carinafa, Stebbing ; an amphipod ; enlarged. 



