OF SOUTHERN INDIA. 
07 
4. CoKAX TRISTODOXTUS, Aff. PI. XII, Fig. 19. 
Egci’ton (1. cit., p. 107,) says that a fragment exactly corresponds with speci- 
mens from the Maastricht beds. 
o. CoRAx ixcisus, U(/. PI. XII, Fig. 20. 
Compare Egerton, 1. cit., p. 168. 
Neither of the two last species is represented in our collection. 
0. Otobus margixatus, Brj. PI. XII, Fig. 21. 
Egerton, 1. cit., p. 108. 
Egerton says that the tooth which he refers to the above species has a nar- 
rower cone than most specimens of O. appendiculatus, and that the inner surface 
is more arched than in any other known species. The cutting edge is sharp, and so 
distinet as to have the appearance of a border, separated from the remainder of the 
shaft by a shallow groove. 
7. Otodus basalts, ify. PI. XII, Figs. 22 & 23. 
Egerton, 1. cit., p. 168. 
Differs from the former and from O. appendiculatus by the great size of the 
lateral cusps and the comparatively small size of the middle cone. We have a spe- 
cimen of this species from east of Ootatoor in the Ootutoor group. 
8. Otodus conf. semiplicatus, Milnst. PL XII, Fig. 24. 
Agassiz, Poiss. foss., vol. iii, p. 272, pi. xx.xvi, figs. 32, ?33; lleus.s, Bohm. Kreidef., 
pt. 1, p. 5. 
A single speeimen of a tooth from the sandstone hods north of Kannanore, in 
the Arriuloor group, is very closely allied to the above-named species, exceiit in 
having a more slender cone, hut as the form of this varies in different places of the 
same jaw, that point does not invalidate the probable identity of our fossil Avith the 
European one. The width of the base considerably exceeds the height of the 
middle cone, and is on both sides along the margin longitudinally i)licated. The 
edges are undulately serrated as soon as they descend from the cone, and the lateral 
cusps are of moderate size and rather distant. All these characters perfectly agree 
with the European fossil, which occurs in the Plainer of Saxony and of Bohemia. 
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