Fig. 141 — 149 Clarkometrn elegnns (St. 43) 141) Half CJ viewed from the ventral side 'Vi, 

 142) Half Cd viewed laterally, showing the exteiition of the central cavity'*,!, 143) Br 4 — 11 with 

 P^— Pj '*'i, 144) The distal face of the E '* i, 14.5) Some Br segments and a distal pinnule '*/i, 

 146) A part of Cd viewed from the dorsal side (observe the calcareous warts at the bottom of the 

 cirrus-sockets), X 17 '/s, 147) Cirrus 'Vi, 148) Proximal radial faces with the rosette in situ, X 17 ' ». 

 149) The arm-bases out to Br 3 'Vi; 150—152 Krythrometra rubra (St. 11) 150) Distal pinnule '*/". 



