Plate VIII. 



Fig. I. Pourtalesia Wandeli, sub-oral region of the test. 9y'j. 



— 2. — — apical system and adjoining parts of the test. The pores of the anterior 



paired ambulacra were rather indistinct and are perhaps not quite correctly placed. 



— 3. Pourtalesia Wandeli, sub-oral region of the test, "/i- 



— 4. — Jeffreysi, — _ . _ _ 9/,. 

 -5. - — — _.__ 10/,. 

 -6. - - - _.__ 12/^. 



— 7- — Wandeli, apical system and adjoining parts of the test. '3/j. 



— 8— II. — Jeffreysi, sub-oral region of the test. 9/j. In the figure 8 the small interambulacral 



plate 1. 1 is not quite certain. 



