216 DESCRIPTION OF REPTILES. 
referred for the convenience of description and comparison to a Paleophis porcatus, 
the articular ball is broader in proportion to its height ; the prezygapophyses, ze, 
are more produced outwards and less produced forwards, so that they do not ex- 
tend beyond the border of the articular cup, which is the case in the non-ridged 
vertebrae of Paleophis Typheus ; the epizygapophyses zi in the ridged vertebrz 
are connected by a broader and less excavated bar. The breadth of the base of 
the neurapophysis is greater in the ridged vertebra than in the unridged one, in 
proportion to its length. The articular surfaces of the zygapophyses are smaller 
in the ridged than in the unridged vertebra. 
The ridged vertebree from Bracklesham agree with the larger vertebra from 
Sheppey in the shape of the epizygapophyses, but the Sheppey specimens have not 
the ridges. Figures 9 & 10 show the ridged character of the sides of the neural 
Fig. 11. Fig. 12. 
ze 
Paleophis porcatus. Python Sebe. Paleophis Typheus. 
arch in Paleophis porcatus, and fig. 11 shows the consequent superior breadth of 
the base of that arch in relation to the length of the vertebra as compared with 
fig. 13, a corresponding vertebra of the Paleophis Typheus. Fig. 12 in the same 
woodcut shows the striking difference in the proportions of the same part of the 
vertebra in the Python Sebe. 
Fig. 14. 
Paleophis toliapicus. Paleophis toliapicus. 
Figure 14 gives a side-view of two vertebra of the Paleophis toliapicus of the 
ordinary size, and preserved in natural connection: fig. 15 shows the character 
of the under surface of the vertebra of the same species. 
