i '-X^^ * 



'i^''^^ 

 •-^t^;:^ 





B 



V 





jfe- 





- ,•? 





' ^'-^^^l^ 



% 



Figure 27. — Solnster carihhaeus. A, aboral ; B, oral. 2 em. 

 indicated. 



ous. Rr= 1.6:1. Color red or reddish brown 

 above, cream or white below. 

 Range : 



Cape Cod to Cape Hatteras, 35 to 680 m. 

 Seemingly limited in North Carolina to the 

 area north of Cape Hatteras. 



Thyraster serpentarius (Mueller and Troschel) 



Synonymy : 



Echinaster serpentarius Mueller and Troschel, 

 1842. 



FiovBE 28. — Porania inaignis. A, aboral; B, oral. 3 cm. 

 indicated. 



Thyrasfer serpeniariios Ives, 1890. 

 Description : 



Disc small, arms five, subcylindrical. Skeleton 

 of quadrangular plates, overlapping at their 

 corners, and arranged in vei-y regular longi- 

 tudinal series. Three to four small spines on 

 distal edge of dorsal plat«s. Three to four 

 spines on distal margin of adambulacral 

 plates, with a small furrow spinelet. Tips of 

 all spines thorny; plates minut«ly tubercu- 

 lated. Papular areas rounded, regular, with 



SEA-STARS OF NORTH CAROLINA 



153 



