Plate VIII. 



Fig. I. Pourtalesia Wandeli, sub-oral region of the test. 9/i. 



— 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. "/,. 



— 4. — Jeffreysi, — _ . _ _ 9/,. 



c . 10/ . 



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



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



plate 1. 1 is not quite certain. 



