PLATE XVI. 
Try plasma, sp. 
Fig. 1. Polished limestone surface, with turbinate and curved corallites exhibiting copious 
budding. The regular tabular are seen in all the corallites, varying in their degree 
of distance apart ; the central right hand corallite displays an expanding calice. 
Fig. 2. Transverse view of the same specimen. Partial union of the corallites is visible, and 
well-marked fistulse («). 
Tryplasma Lonsdalei, oar. minor, Eth.fil. 
Fig. 3. Transverse view of the small corallites of this species. 
Fig. 4. Longitudinal view of the same. 
Tryplasma wellingtonensis, Eth.fil. 
Fig. 5. Here are seen at least two, and perhaps three, corallites, surmounted one above the 
other. 
Fig. 6. Two corallites, the younger and larger springing from the calice margin of the parent. 
Fig. 7. A more or less turbinate corallite. 
Fig. 8. A curved corallite, with contracted peduncle-like base. 
Fig. 9. A small corallite, bent at a right angle. 
Fig. 10, The calice of Fig. 9. 
