Clark. — The Starfishes of the Genus Heliaster. 



PLATE 6. 



Fig. 1. Heliaster kubiniji Xantus. Abactinal surface and all inner organs re- 

 moved, to show the interbraehial and diseobrachial walls. X t 7 q. 



Fig. 2. Coscinasterias calamaria (Gray). Abactinal surface and all inner organs 

 removed, to show the incipient interbraehial walls. X &• 



Fig. 3. Asterias ochracea Brandt. Abactinal surface and all inner organs re- 

 moved, to show the coalescence of the rays and the interbraehial walls. 

 X to- 



