196 



DISCOVERY REPORTS 



Fig. 20. Notocrinus mortenseni. a, centrodorsal and proximal parts of three rays, xy. b, cirrus, x 7. 

 f, first twelve brachials of an arm with pinnules, x-j. d, brachials of the middle part of an arm, x 11. 

 i\ distal brachials, x 11. /, ambulacral skeleton of a distal pinnule, x 40. g, ventral view of a portion of an 

 arm of a female in the region of the genital pinnules ; in the upper half the skin has been cut away to show 

 the ovaries and brood-pouches, x 7. 



