m. 



V,,,., 



/^jU 



■;^i0^:: 











FiotroB 21, — lAnckia bouvieri. A, aboral ; B, oral. 5 cm. 

 indicated. 



Figure 22. — Odontaster hispidus. A, aboral ; B, oral. 2 cm. 

 indicated. 



Pentagonaster parvus Perrier, 1883. 

 Phcmeraster semihmatus: Perrier, 1894. 

 Description : 



Broadly pentagonal, with concave sides and 

 short rays. Aboral plates large, polygonal or 

 circular, covered with granules, many with a 

 large, conical spine. Superomarginals and in- 

 feromarginals about equal, large, convex, 

 quadrangular, with rounded inner sides, six to 

 nine on eacli side of ray ( number depends on 

 age). Numerous alveolar pedicellariae with 

 spatulate blades on oral and aboral surfaces, 



SEA-STARS OF NORTH CAROLINA 



149 



