126 



ECHIN0DERM8 OF THE BRITISH I8LES 



with si)ines. Pedicellaria) of two sorts, larger and smaller ; no 

 ])e(lit'ellariie on the disk. Colour in life a splendid red, the under- 

 side whitish. Grows to a very considerable size, to ca. 370 mm. 



Fig. 73. 



-Brisinga endecacnemos. Two of the arms in regeneration. (After 

 G. O. Sars.) Ca. ^ size. (From Damnark's Fauna.) 



length of arms, with a diameter of disk of ca. 26 mm. When 

 complete probably the most magnificent of all sea-stars. 



It prefers rocky bottom. Development unknown. 



In British seas this species has been found in the Faroe 

 Channel (" Porcupine "), and off S.W. Ireland (" Helga "), in 



