PLATE VI. 



FIG. 



1. MENIPEA TERN ATA, p. 38. 



2. - , nat. size. 



3. - , dorsal surface. 



4. - , ocecia. 



5, 6. SCRUPOCELLARIA ELLIPTICA, p. 46. 



7-9. SCRUPOCELLARIA SCABRA, p. 48. 



10. , nat. size. 



11. - , primary cell. After Smitt. 



