NORWAY. 



337 



figure shows its under side. The M-hole is 

 transparent hke glass. There are eight pair 

 of ravs, within which the disk, and other 

 rays at the base of the former, are all 

 covered with minute scaly prickles, ranged 

 in concentric circular rows. The outer 

 feelers, which look like the stamens of a 

 flower, are sometimes snow-white, some- 

 times of a reddish flesh-colour, and crisped. 

 Within these is a central cluster of longer 

 feelers, resembling pistils. 



z 



