CoE.— Nemerteans. 



PLATE 16. 



Fig. 93. Amj)hiporus similis Coe. Sketch of head and anterior portion of 



body, sliowing- an-angement of tlie ocelli and position of brain. 



X 50. 

 Fig. 94. A. siiniUs. Central stylet and basis. X 400. 

 Fig. 95. Paranemertes peregrlna Coe. Head and anterior portion of body, 



showing arrangement of ocelli and position of brain. X 15. 

 Fig. 96. P. peregrina. Central stylet and basis. The spiral markings are 



made rather too prominent. X 420. 

 Fig. 97. Amphlporus Jiavescens Coe. Head and anterior portion of body, 



showing arrangement of ocelli, position of brain, and the anterior 



diverticula of the intestinal caecum (ic). X 50. 

 Fig. 98. A.Jiavescois. Central stylet and basis. X 320. 

 Fig. 99. Amphiporus Imparlspinosus (Iriffin. Head and anterior portion of 



body, showing arrangement of ocelli and position of brain. X 40. 

 Fig. 100. A. imparlspinosus. Central stylet and basis. X 200. 



