PLATE 82. 



Coronida et Tympanida. 



/ 



Fig. i. 



Fig. 2. 



Fig. 3. 



Coronidium cervicorne, n. sp., 

 Seen from the apical pole. 



Coronidium acacia, n. sp., . 



Eucoronis angulata, n. sp., . 



Half from the apical, half from the dorsal side. 



Fig. 4. Eucoronis challengeri, n. sp., 



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

 by numerous xanthellse. 



Eucoronis neplirospyris, n. sp., 



Eucoronis perspicillum, n. sp., . 



Coronidium dyostephanus, n. sp., . 

 Seen from the apical pole. 



Coronidium diadema, n. sp., 



Acrocubus octopylus, n. sp., . 



Parastephanus asymmetricus, n. sp., 



Eutympanium militare, n. sp., 



Oblique view. 



Lithocubus astragalus, n. sp., . 



Trissocircus globus, n. sp., . 



Fig. 



5. 



Fig. 



6. 



Fig. 



7. 



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Fig. 



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Fig. 



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Fig. 



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Fig. 



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