Fig. pepeetlle 
Hiss. see 2—D. 
Bios) | ie 6—7. 
Fig. 58h 
Fig. Weel 7Us 
Fig. rans 
Figs. ... 1J1—12. 
Figs 13—14. 
Figs. 15, 19, and 20. 
Figs 
. 16, 17, and 18. 
Pi ABE eV 
Cerirutum (Frsuna?) perectrum, Sto/. ; p. 192; front-and back-views; the 
anterior canal has been indicated by an outline; Karapaudy ; Arrialoor 
group. 
CrrirHium arcorensn, Sfo/.; p. 197; front-and back-views of different speci- 
mens; in Figs. 2 and 3 the apertures are perfect ; all from the sandstones 
near Coothoor ; Arrialoor group. 
Crrirutum (Exmxissa ?) scaALARnorpEum, Forbes ; p. 201; 6, front-view of aspeci- 
men with nearly perfect aperture; 6a, view of the basis of the same; 7, 
front-view of another specimen with somewhat eroded surface, making the 
fmer ornamentation less distinct; from the neighbourhood of Aldwadana- 
pooram ; Trichinopoly group. 
CrrirHium tassutum, Szol.; p. 198; back and basal-views of natural size ; 
Vylapaudy ; Arrialoor group. 
CerirHium trimonitn, Mich. ; p. 199; 9 and 9a, front-and basal-views of 
a nearly perfect specimen, but with the granulation of the surface some- 
what eroded ; 94, one whorl enlarged to three times the linear measure- 
ments; Karapaudy ; Arrialoor group. 
CERITHIUM CLARANDUM, Stol.; p. 198; 10, front-view of an imperfect 
specimen; 10a, one whorl enlarged to four times the linear measure- 
ments; Anpaudy ; Trichinopoly group. 
CERITHIUM FERTILE, Sto/.; p. 200; 11, front-view of a cast; 12, front-view 
of an imperfect specimen with preserved shell surface (vide Pl. XIX, 
Fig. 5) ; the aperture has been indicated in outline ; near Odiwm ; Ootatoor 
group. 
CrERIrHiuM LimMBATuM, Stol.; p. 194; 13, front-view of a somewhat imperfect 
specimen, but with well preserved shell-surface; 14, represents a frag- 
ment of a large specimen, which belongs probably to the same species; 
Coothoor ; Arrialoor group. 
CERITHIUM INAUGURATUM, Stol.; p. 193; 15, front-view of a cast from 
Alundanapooram ; Trichinopoly group ; 19,20, views of two fragmentary 
specimens of sizes with the shell partially well preserved; frum the heht 
colored sandstones near Comarapolliam ; Arrialoor group, 
CERITHIUM HISPIDULUM, Sfol. ; p. 194; back-views of different, more or less 
imperfect, specimens; the shell-surface is mostly well preserved; 16 and 
18 are from the 8. of Serdamungalum ; \7 from Kolakonuttom ; Trichino- 
poly group. 
yo ees 
a ele 
