TESTPDINIDJE. 



121 



I 



tremities are wanting, and some of the bones are some- 

 what dislocated. In contour, as well as in the form of the 

 vertebral shields and their relations to the underlying 

 neural bones, this specimen precisely resembles the pre- 

 ceding one. Cautley Collection. 



R. 959. An imperfect and crushed shell, probably referable to an 

 adult female of this species ; from the Siwalik Hills. The 

 carapace is crushed and broken, and shows no charac- 

 teristic features; but the plastron, although rendered 



Fig. 27. 



Hardella thurgi. — Carapace. Keduced. ww, nuchal; n \-n 8, neural s ; cl-c8, 

 costals ; spy 1-2, suprapygals ; py, pygal ; m \-m 11, marginals. [The 

 hinder border of the 4th vertebral shield usually cuts the 7th instead of the 

 8th neural bone.] 



convex by pressure, is well preserved. In its straight 

 humero-pectoral sulcus this plastron agrees with the pre- 

 sent species, as distinct from Cachuga lineata (compare 

 ' Palseontologia Indica,' op. cit. pi. xxiii. figs. 1 a and 2 a). 



Cautley Collection. 



39834. The somewhat imperfect shell of an adult female; from the 

 (Fig.) Siwalik Hills. Figured by the writer, op. cit. pL xxiv. 



