PLATE XCVIII. 



Page 

 Figs. 1, 2. Cribrella sufflata, n. sp 549 



Fi«\ 1. A portion of the abactinal surface; magnified 12 diameters. 



Fio-. 2. Adambulacral plates and adjacent portion of the actinal surface ; magnified 



15 diameters. 



[For macroscopic figures of this species see PI. XCVL figs. 5, 6.] 



Figs. 3, 4. Cribrella compacta, n. sp. ... 543 



Fig. 3. A portion of the abactinal surface ; magnified 35 diameters. 



Fig. 4. Adambulacral plates and adjacent portion of the actinal surface ; magnified 



35 diameters. 



[For macroscopic figures of this species see PI. XCVL figs. 1, 2.] 



Figs. 5, 6. Cribrella obesa, n. sp. . . . 544 



Fig. 5. A portion of the abactinal surface; magnified 15 diameters. 

 Fig. 6. Adambulacral plates and adjacent portion of the actinal surface ; magnified 

 15 diameters. 

 [For macroscopic figures of this species see PI. XCVI. figs. 3, 4.] 



Figs. 7, 8. Cribrella pr^estans, n. sp. . . . 545 



Fig. 7. A portion of the abactinal surface ; magnified 1 6 diameters. 

 Fig. 8. Adambulacral plates and adjacent portion of the actinal surface ; magnified 

 18 diameters. 

 [For a macroscopic figure of this species see PI. XCVI. fig. 7.] 



Figs. 9, 10. Cribrella simplex, n. sp 547 



Fig. 9. A portion of the abactinal surface; magnified 16 diameters. 

 Fig. 10. Adambulacral plates and adjacent portion of the actinal surface; magni- 

 fied 20 diameters. 

 [For macroscopic figures of this species see PI. XCVII. figs. 5, 6.] 



Figs. 11, 12. Perknaster densus, n. sp. . . . 552 



Fig. 11. A portion of the abactinal surface; magnified 15 diameters. 



Fig. 12. Adambulacral plates and adjacent portion of the actinal surface ; magni- 

 fied 10 diameters. 



[For macroscopic figures of this species see PI. XCVII. figs. 1, 2.] 



