Plate II. A. and B, upper and lower surfaces of Ophiouermis a)niiil(il:i 

 C and D, upper and lower surfaces of six armed O. a7niulala. 

 E, F; G, H, upper and lower surfaces of Ophioplneiis esmarki. 

 I, J, upper and lower surfaces of Ophioptei-is papillosa. 



