PLATE XV. 



Fig. i. Solas ter stimpsoni Verrill. Type. Same specimen as on pi. x (No. 



5407, Yale Mus.). Details of dorsal side of disk; X 3- Yale Mus. 

 Fig. 2. The same specimen. Details of actinal side ; O, mouth ; t, peroral 



spines ; X 3- 



(32) 



