PLATE XVII r. 
Tryplasma princeps, Elh.Jil. 
Fig. 1. A very fine example of calicinal budding. Below are three obconical or cylindro-conical 
corallites united by their walls ; the larger gives off a number of younger cylindro- 
conical individual, of which four are here visible. 
Tryplasma dendroidea, Eth. Jit. 
Fig. 2. A parent corail ite, and an example of double gemmation. 
Fig. 3. A pother specimen similar to Fig. 2. At the top of the right-hand corallite the septal 
lamellae are visible ; tabula' are also seen throughout. 
Fig. 4. An instance of triple gemmation ; the finely-lined epitheca is visible by the aid of a 
magnifying glass. 
Fig. 5. Longitudinal, weathered section of a corallite, below giving rise to three buds ; above, 
another corallite with two buds, the former appearing to have organic attachment 
to the lower group. 
Fig. 6. Longitudinal weathered section of a corallite below, giving rise to three buds, one very 
much younger than the other two. 
Tryplasma princeps, Eth.fii 
Fig. 7. A young corallite. 
