r LATE III 



Fig. 1. Ptilodictya jiaCtNIFICA— Natural size. 



1«. Magnified view. 

 Fig. 2. GlyptoGRINUS DYERI var. SUBLiEViS — Natural size. 

 Fig. 3. MURCHISONIA MtJLTlGRUMA— Natural size. 



3a. Basal view. 

 Fig. 4. Pal^astkr LOS gibrachiatus— Natural size. 

 Fig. 5. Pal^aster clarkei— Natural size. 

 Fig. 6. Ambonychia retrorsa— Natural size. 

 Fig. 7. Cythere irregularis— Dorsal view. Natural size. 



la. Side view, ventral margin uppermost. 

 Fig. 8. Cyrtocekas amcenum— Natural size. 

 Fig. 9. LiCHAS ha RKisi— Natural size. 

 Fig. 10. Cyrtolitks MAGNUS— Natural size. 

 Fio'. 11. Angellum cuneatum— Natural size. 



