PLATE IX. 



Dipsacaster grandissimus. 



140. Ahactinal view, x 0.6. 



141. Actiual view, x 0.6. 



Mediaster brachiatus. 



142. Abactiiial view, x 1. 



143. Actinal view, x 1. 



144. Abactinal view of a smaller specimen, x 1. 



145. Actinal view of same, x 1. 



146. Moutli-plates and adjoining parts of the larger specimen, x 5. 



147. Moutli-plates and adjoining parts of the smaller specimen, x 6. 



148. Eighth and ninth adambnlacral p>lates with adjoining ventro- 



laterals. X 5. 



149. Ventrolateral pedicellaria. X 50. 



150. Pedicellaria valve from a ventrolateral plate, x 130. 



151. Pedicellaria valve from a paxilla. x 130. 



152. Pedicellaria on a paxilla. x 90. 



