Figs. 1 — 0. 
Figs. 7—8. 
Figs. !) — 16. 
PLATE 11. 
Kiiynciioxella plicatiloides, Sloliczha, p. 13. Different views of more or less 
full grown, transversely ovate or inflated specimens, and with the front margin 
of the neural valve more or less reflected ui:)wards; figs. 1, 2 and 5 are from 
Shalanwe ; fig. 6 from near Andoor, in Trichinopoly group ; figs. 3 and 4 from 
near Ootacoil in Arrialoor group. 
Terebratula depuessa, Lamarck, var. cgrta, "Walker, p. 16. Two adult speci- 
mens ; the beaks are perfect, but portions of the surface of the shells are defect- 
ive ; North of Odium ; Oofaioor group. 
Terebratula sub-depressa, Stoliczka, p. 16; 9, a very young specimen of regular 
growth; 10, very elongated, somewhat compres-sed towards the beaks ; 11 and 
13, regidar specimens of middle age; 12, a moderately ovate sjieeimen; 14, is a 
very flattened and almost circular specimen, specially referred to at p. 17 ; 
15, inner view of a haemal valve with portions of the brachial apparatus, the 
ends of it are broken away; 16, haemal view of an ovate specimen, showing the 
muscular impressions of the haemal valve; figs. 9, 10, 12, 13 and 16 are from 
north of Poodoopolliam, 11 from Tailoor, 14 and 15 from near Arrialoor ; 
Arrialoor group. 
A 
