CoK. — >feinerteans. 



PLATK 24. 



Fig. 17P. Drepanophoruxt ritterl Coe. Outline of anterior poriinn of body, 

 .showing eeplialic groove.s ami ai lanyeinent of ocelli as seen from 

 dorsal surface. A large individual. X V?>. 



Fig. 180. D. ritteri. Outline of ventral side of head, showing rhynchodaeal 

 opening, mouth, and arrangement of ocelli as seen from the 

 ventral surface. X 13. 



Fig. 181. D. ritteri. Outline of anterior portion of body, showing ocelli of 

 both dorsal (oc) and ventral {or') surfaces, position of brain, 

 cerebral .sense organs and cephalic nerves. X 10. 



Fig. 182. Zygonemertes alhida Coe. Outline of anterior portion of body, 

 showing arrangement of ocelli. X 10. 



Fig. 183. Z. albida. (httline of central stylet and basis, x 350. 



Fig. 184. AmphiporiDi falvus Coe. Outline of anterior jiortion of body, 

 .showing arrangement of ocelli. X 40. 



Figs. 185, 186. A.fuhnis. Outline of central stylets and bases in three indi- 

 viduals. X 225. 



Fig. 187. Emplectonema biirgeri Coe. Outline of anterior portion of body, 

 showing arrangement of ocelli. X 12. 



Fig. 188. E. biirgeri. Outline of central stylets and bases in two individuals. 

 X 170. 



Fig. 189. Micrura pardulis Coe. Outline of anterior portion of body, .show- 

 ing arrangement of ocelli. X 32. 



Fig. 190. Paranemertes pallida Coe. Outline of anterior portion of body, 

 showing arrangement of ocelli. X 9. 



Fig. 191. P. pallida. Outline of central stylet and basis. X 220. 



Fig. 192. Paranemertes peregrina Coe. Central stylet and basis, showing 

 groovings of stylet. X 375. 



Fig. 193. Amphiporns niacracanthus Coe. Outline of central stylet and 

 basis. X 02. 



Fig. 194. A)nphiporas punctatulus Cot. (lutlineof .stylet apparatus. X 25. 



