PLATE XCVII. 



Page 

 Figs. 1, 2. Perknaster dexsus, n. sp. . . . . 552 



Fig. 1. Abactinal aspect; magnified 1^ diameters. 

 Fig. 2. Actinal aspect ; magnified 1^ diameters. 



[For magnified details of this species see PI. XCVIII. figs. 11, 12.] 



Figs. 3, 4. Perkn aster Fuse us, n. sp. . . . . 551 



Fig. 3. Abactinal aspect ; magnified 1^ diameters. 

 Fig. 4. Actinal aspect ; magnified li diameters. 



[For magnified details of this species see PI. LXII. fig. 1.] 



Figs. 5, 6. Cribrella simplex, n. sp. .... 547 



Fig. 5. Abactinal aspect ; magnified 2 diameters. 

 Fig. 6. Actinal aspect ; magnified 2 diameters. 



[For magnified details of this species see PI. XCVIII. figs. 9, 10.] 



