Fig. i 
Fig 2. 
Fig. 3. 
Figs 4-5. 
Figs 6-7. 
Figs. 8-9. 
Fig 10. 
Figs. 11—15. 
Fig 16. 
Figs. 17—19. 
Fig. ... 20. 
Utes ogg Calls 
PLATE XXIV. 
CANTHARIDUS sTRIOLATUS, Stol., p. 374; front- and back-views enlarged three 
times the natural size; Comarapolliam; Arrialoor group. 
OxyYTELE NOTABILIS, Sfol., p. 869; front- and back-views, the form of the outer lip 
shown in outline; Comarapolliam ; Arrialoor group. 
Trotus suNnceus, Sfol., p. 872; imperfect, unique specimen; Comarapolliam ; 
Arrialoor group. ‘ 
Tscrus Tamuticus, Stol., p. 871; 4, young specimen with distinct spiral striation 
on the upper whorls; 5, front- and basis-views of a full grown specimen ; Comara- 
polliam ; Arrialoor group. 
GissuLa Jervontana, Stol., p. 370; 6, back-view of a small specimen with strong, 
spiral strie ; 7, front- and basis-views of a perfect shell ; Comarapolliam ; Arrialoor 
group. 
GipBuLA GRANULOSA, Stol., p. 370; 8, front- and back-views of a small-, 9, front- and 
basis-views of a somewhat larger specimen; 9 ce, represents a portion of a whorl 
enlarged to six times the natural size; 8 is from Vylapaudy,9 from Comarapol- 
liam ; Arrialoor group. 
Evcurtus ornatus, Séol., p. 871; front- basis- and back-views of a small specimen, 
enlarged to three times the natural size; Comarapolliam ; Arrialoor group. 
ZizipHinus (HuTROcHUS?) GuINITZIANUS, ftewss, sp., p. 3873; 11, front-view, 
Veraghoor ; 12, front- and basal-views; 13, top-view, both from near Arrialoor ; 
14, front-view, and portion of a whorl enlarged four times; Veraghoor ; 15, same 
views ; Olapaudy ; all the figures representing entire specimens are double the 
natural size; Arrialoor group. 
Marearira orpicutata, Sto/., p. 377; front- and basal-views in thrice the natural 
size, the shell surface is only partially preserved ; Andoor ; Trichinopoly group. 
SOLARIELLA RADIATULA, Forbes, p. 375; 17, front-view of a fully grown specimen, 
natural size, the whorls are a little too high; Olapaudy ; 18, front- and basis-views 
of a perfect specimen, fully grown, twice the natural size; Comarapolliam ; 
19, front- and back-views of a small, perfect specimen from the same locality ; 
Arrialoor group ; (see Plate XXVIII, Figs. 8-9). 
SOLARIELLA STRANGULATA, Sfol., p. 376; front- and basal-views of a well preserved 
specimen ; Odium; Ootatoor group; (see Plate XXVIII, Fig. 10). 
Lirnopoma inTERsECTA, Sfo/., p. 360; front- and back-views of the unique speci- 
men; (see also Plate XXVIII, Fig. 15) ; Comarapolliam ; Arrialoor group. 
