Fig. 1 
Figs. 2—6 
Fig. 7 
Figs. 8, 14, 16. 
Figs. 19, 20, 21. 
PLATE XVII. 
TuRRITELLA (TorcuLA) asperata, Sto/., p. 116, 1, front-view; la, view of the base ; 
Ninnyoor ; Arrialoor group (see Pl. XIX, Fig. 7). 
TurRiteLLA (Zaria) Breantrana, @’Ord., p. 227, views of different specimens from 
near Veraghoor ; Trichinopoly group. 
TURRITELLA NoposA, Rom., p. 222, two fragments completing each other ; Odiwin ; 
Ootatoor group (see Pl. XIX, Figs. 20-21). 
TurrivELLA (ZaRIA) MuLTIsTRIATA, Reuss, p. 224; 8, side-view of a fragment 
with the margin of the outer lip perfect; 9,10,16, fragments consisting of 
the top-whorls, showing variations in the disposition of the spiral ridges; 11, 
front-view with perfect aperture; 13, 14, casts of top-whorls; all the speci- 
mens from the sandy beds near Comarapolliam and Arrialoor ; Arrialoor group. 
TurritettaA (Zara) veNtRIcosA, Fordes, p. 227, front-view of a somewhat imper- 
fect specimen ; Ninnyoor ; Arrialoor group (see Pl. XIX, Figs. 22-23). 
Turrivec.a (Torcuna) arrints, Jiller, p. 219; 17, front-view of a nearly per- 
fect specimen ; 17a and 18, single whorls, enlarged ; in light coloured sand- 
stone near Coonum ; Trichinopoly group (see Pl. XIX, Figs. 12-13). 
Cuemnirzia unposA, Forbes, p. 286; 19, a specimen with a remarkably thickened 
inner lip, from Garudamungalum ; 20, a variety with numerous, transverse, 
ribs ; 21, specimen with nearly perfect aperture, the outer lip bemg very thin 
and showing posteriorly a distinct imsinuation ; from S. of Serdamungalun ; 
Trichinopoly group. 
