PLate 83. 
1, 2. Pilematechinus Rathbuni A. Ag.; Station 3374. 
1. Specimen 92 mm. in length, denuded, seen from the actinal side (Pl. 81, fig. 1). 
2. Specimen 92 mm, in length, denuded, seen from the abactinal side (Pl. 81, fig. 2). 
Both figures natural size. 
