PLATE XXXV. 



Fig. I. Orthasterias columhiana Verrill. Type. Same specimen as pi. xxiv, 

 fig. 4. Dorsal side ; H natural size. Yakutat. Yale Mus. 



Fig. 2. Luidiaster dawsoni (Verrill) Ludwig. Type. Same specimen as pis. 

 xxxin and xxxiv. About ^ natural size. Geol. Surv. Canada. 



(7a) 



