PLATE LXV. 



ACTINOMETRA NOBILIS, n. sp. 



Fig. 1. Dorsal aspect, ...... 



Figs. 2-6. Various stages in the modification of the centro-dorsal, 



Fig. 7. Terminal comb of a lower pinnule, 



Fig. 8. Portion of the disk, with cysts of Myzostoma platypus, 



