PLATE 82. 



CORONIDA et TYMPANIDA. 



Diam. Page 



Fig. 1. Coronidium cervicorne, n. sp., . x 400 974 



Seen from the apical pole. 



Fig. 2. Coronidium acacia, n. sp., . x 300 975 



Fig. 3. Eucoronis angulcda, n. sp., . x 40 9 ?8 



Half from the apical, half from the dorsal side. 



Fig. 4. Eucoronis challenge, n. sp. , x 400 978 



The red central capsule encloses a large ovate nucleus find is surrounded 

 by numerous xanthellse. 



Fig. 5. Eucoronis nephrospyria, n. sp., x 300 977 



Fig. 6. Eiicoronis pcrspicillum, n. sp., x 300 977 



Fig. 7. Coronidium dyostephanus, n. sp., . x 400 974 



Seen from the apical pole. 



Fig. 8. Coronidium diadema, n. sp., . x 300 974 



Fig. 9. Acrocubus octopyhis, n. sp., x 300 



Fig. 10. Parastepkamis asymmetricus, n. sp., x 400 1008 



Fig. 11. Eutympanium militarc, n. sp., x 400 1014 



Oblique view. 



Fig. 12. Lithocubus astragalus, n. sp., x 400 1012 



Fig. 13. Trissocircus globus, n. sp., . x 400 986 



