DESCRIPTION OF REPTILES. 213 
pheus and a second species of Paleophis (Pal. porcatus, fig. 10) from Bracklesham, 
instead of being carinate, as in Pal. toliapicus (fig. 15, p. 216), sends down two short 
Paleophis Typheus. 
Fig. 2. 2 
Rigs See 
Python Sebe. 
subcompressed tubercles (hypapophyses), one from the fore-part, and a deeper 
one, like a short spine, from the back-part of the under surface: neither of these 
are continuous with or touch their corresponding terminal articular surfaces of 
the centrum. 
Fig. 3 gives a side-view of one of the largest vertebre of the Paleophis Ty- 
pheus, and fig. 6 a similar view of a corresponding vertebra of a specimen of the 
Python Sebe upwards of twenty feet in length. The following differences are 
observable: the articular ball, c’, is set almost vertically upon the end of the body 
in Paleophis, whilst it is inclined obliquely upwards in the Python (fig. 6) ; the 
posterior hypapophysis, fp, is more produced in the Palgophis ; the diapophysis, 
d, is also more produced, and its articular surface convex in both directions, not 
concave vertically at the lower half, as in Python. The posterior diverging ridges 
from the base of the neural spine send back the characteristic angular processes, 
np, fig. 2, in the great Paleophis of Bracklesham, as in the species of Sheppey : 
the neural spine, ns, has a greater antero-posterior extent in Palgophis ; it com- 
es 
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