PLATE 98. 



Tbipocalpida et Ph^enocalpida. 



Fig. 



Fig. 



Fig- 

 Fig. 



Fig. 

 Fig. 



Fig. 

 Fig. 



Fig. 

 Fig. 



Fig. 

 Fig. 

 Fig. 



1. Euscenium plectaniscus, n. sp., 



Half frontal, half basal view. 



2. Cladoscenium pectinatum, n. sp., 



Shell opened by a vertical section. 



3. Archiscenium cydopterum, n. sp., . 



■ View from the dorsal side. 



4. Pterosceniufn arcuatum, n. sp., 



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



5. Archipera cortiniscus, n. sp., 



6. Archibursa tripodiscus, n. sp., 



Basal view. 



7. Arcliipilium orthopterum, n. sp., . 



8. Tripilidium costatum, n. sp., 



Fig. 8a. Central capsule in the upper part of the shell, 

 Fig. 8b. Cortinar septum, 



9. Phcenoscenium hexapodium. n. sp., . 



10. Archiphcena gorgospyris, n. sp., 



Fig. 10a. Cortinar septum with four collar pores, . 



11. Archiphormis urceolata, n. sp., 



12. Halicalyptra petalospyris, n. sp., . 



13. Arachnocalpis ellipsoides, n. sp., . 



The central capsule is filled up by clear vacuoles and exhibits in the 

 upper half the ellipsoidal nucleus and four oil-globules, in the 

 lower half the slender striated podoconus. 



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



Diam. 

 x 300 



x 400 



x 400 



x 400 



1146 



1150 



1151 



1152 



X 



400 



1155 



X 



400 



1157 



X 



400 



1139 



X 



300 



1141 



X 







X 







X 



300 



1175 



X 



300 



1178 



X 



300 





X 



300 



1168 



X 



400 



1169 



X 



300 



1172 



x 900 



