Figs. 
11-12, 
13-14, 
17—19, 
PLATE XXIII. 
Mamminta EpuRA, Stol., p. 306; front- basis- and back-views of an apparently 
full grown specimen; Minnyoor ; Arrialoor group. 
Amputtina sortita, Stol., p. 301; 2, back-view of a small specimen with rather 
elevated spire; 3, a large specimen, perfect on the inner lip, the form of outer lip 
restored in outline; Ninnyoor ; Arrialoor group. 
VELUTINA ORIENTALIS, Stol. ; p. 314; various views of a tolerably perfect specimen, 
enlarged; Comarapoltliam ; Arrialoor group. 
AMPLOSTOMA AURIFORME, Sto/., p. 315; front- and back-views of the unique speci- 
men, aperture anteriorly imperfect; Comarapolliam ; Arrialoor group. 
Naricina ornata, Stol., p. 314; specimen enlarged, the surface of the shell is only 
partially preserved; 8. H. of Arrialoor ; Arrialoor group. 
Neriropsis crassa, Stol., p. 310; shell only partially preserved, perfect at the 
aperture ; Odiwm ; Ootatoor group. 
Nerina compacta, Fordes, sp., p. 339; front- and back-views of a small speci- 
men; Garudamungalum ; Trichinopoly group. 
Neritina (VeLatEs) pecrprens, Stol., p. 340; 9, back-view of a rather roundish 
oval specimen; 10, a more transversally elongated specimen; Comarapolliam ; 
Arrialoor group. 
Nerira pivaricata, d’Ord., p. 340; 11, a large specimen with a perfect inner 
lip, the shape of the outer one is restored in outline; 12, back-view of a smaller 
specimen, the ornamentation ought to be a little more distinct; 8. 2. of 
Parchairy ; Arrialoor group. 
Nerita Carorina, Stol., p. 341; 13, a young specimen with the dentition on the 
inner lip quite perfect; 14, a well preserved, large shell; Seraganoor ; Arrialoor 
group. 
PHASIANELLA CONULA, Stol., p. 855; a small specimen, anteriorly injured; Comara- 
polliam ; Arrialoor group. 
PHASIANELLA GLOBoIDES, Sfol., p. 854; the outer lip is not perfectly preserved and 
the enamel surface of the shell removed; in perfect state the specimen would be 
probably quite smooth; Olapaudy ; Arrialoor group. 
PHASIANELLA INcERTA, Hordes, 354; 17, a small, imperfect specimen from Garud- 
amungalum ; 18, large specimen imperfect on the outer lip, from Alundanapooram ; 
Trichinopoly group ; 19, a perfect, but distorted, large specimen from Karapaudy ; 
Arrialoor group. 
