PLATE XI 



Fig. I. Hemicia studeri, St. WS 782, x 2-5. 

 Fig. 2. Henricia obesa, St. WS 796B, x 2-S. 

 Fig. 3. Henricia simplex, St. 1564, x 2-75. The dark spots on the actinal 



surface are shadows of spLnelets, not papulae. 

 Fig. 4. Henricia pagenslecheri, St. 39, x s; p, p actinal papulae. 



