PLATE 98. 

 TRIPOCALPIDA et PHJSNOCALPIDA. 



Diatn. Page 



Fig. 1. Ewcenium plectaniscus, n. sp., . . x 300 1146 



Half frontal, half hasal view. 



Fig. 2. Cladoscenium pectinatum, n. sp., . . . x 400 1150 



Shell opened by a vertical section. 



Fig. 3. Archiscenium cyclopterum, n. sp., . . . x 400 1151 



View from the dorsal side. 



Fig. 4. Pteroscenium arcuatum, n. sp., . . x 40 o 1152 



The central capsule cqntains a large spherical nucleus with a nucleolus. 



Fig. 5. Archipera cortiniscus, n. sp., . x 



Fig. 6. Archibursa tripodiscus, n. sp., . x 



Basal view. 



Fig. 7. Archipilium orthopterum, n. sp., . x 400 1139 



Fig. 8. Tripilidium costatum, n. sp., ... x 30Q 



Fig. 80. Central capsule in the upper part of the shell, x 



Fig. Sb. Cortinar septum, 



Fig. 9. Phamoscenium hexapodium, n. sp., . x 300 H7 



Fig. 10. Archiphama gorgospyris, n. sp., . . . x 300 1178 



Fig. lOo. Cortinar septum with four collar pores, . x 



Fig. 11. Archiphormis urceolata, n. sp., 



x 



! filled , P ^ clear vacuoles and exhibits in the 



LT \ ifK , r '^ T leU8 and four "-globul M( in the 

 lower half the slender striated podoconus. 



Fig. 13a. A piece of the network, more enlarged, . 



1168 

 Fig. 12. Halicalyptra petalospyris, n. sp., . . . . x 400 1169 



Fig. 13. Arachnocalpis ellipsoides, n. sp., 



1172 



