PLATE LIV 



FIG. 



1. Cellepoka I'UMicosA, p. 398; zocecia tVoin the 



margin of tlie colony. 



la, lb. , adult zocEcia^ sliowing the form of the 



rostrum. 



2. •;, zooeoium with punctured oviccll. 



3. , nat. size ; nodulated form on shell. 



ovoid on stem. 

 3^.  , ditto, on stone. 



4, 5. Cellepoka avicularis, p. 406. 



6. ■, large conical avicularium. 



7-9. Cellepoka tubigera, ]). 109; from Crag speci- 

 mens, after Busk. 



10, 11. Cellepoka akmata, p. 410. 



12. , rostrum. 



13. , spatulate avicularium. 



