t^^l

iLA. 103
204. Pila alucinans (Sowerbij).
Pila alucinans (Sovverby), Proc. Malac. Soc. ix, p. 63 (Rg. in text)
(as Ampullaria).
Original description :—Testa late turbinata, mediocriter umbilicata,
fusco-olivacea, fasdis numerosis angustis nigro-i'uscis oriiata,
Jongitudinaiiter irregiilariter plit-ata et striata, striis transversis
siibtiiissiiiiis decussa'ta; spira brevis; anfractus convex!, supra
planulati; ultimus latiuscuhis, superne rotunde angulatus, supra
ans^ulutn leviter depressus, infra angulum rotunde convexus,
basim versus leviter contractus; apertura latiuscula, intus fasciata ;
peristoma tenue.
Alt. 23, diam. 23 mm.
.Aperture: alt. 22, diam. 12 mm.
hah. Ceylon.
205. Pila winkleyi (Pihbry).
Pi/a ivin/deyi (Pilsbiy), Proc. Acad. Nat. Sci., Philadelpliia, liii,
1901, p. lad, pi. 5, tigs. 2, 3 (as Ampullaria).
Original description :^8hell narrowly umbilicate, globose ;
yellowish-olive, uniform or with few or numerous dusky olive
spiral bands, the earlier whorls eroded, blackish or ruddy. Surface
smooth, somewhat shining, under a strong lens seen to be very
densely, microscopically striated spirally, the striis minutely granulose
; spire low-conic; sutures impressed, the whorls flattened
below them, elsewhere symmetrically convex. Aperture vertical,
semi-rotund, narrower above, reddish-tawny and sometimes banded
within, hecoming white near the lip; peristome a trifle expanded
below, white or dirty yellowish, the outer margin equably curved,
columella concave, blunt and more or less thickened but not
i-etlexed, parietal callus rather thin, white, thinner within. Operculum
thick and solid, concave externally, and partially covered
with a thin, yellowish-brown cuticle. Inside bluish, with a micalike
gleam, the scar of attachment sunken, the columellar side
concentrically striate, the enclosed eminence narrow, curved and
smooth.
Alt. 58, diam. 50 ram.
Aperture : alt. maj. 43 mm.
Hah. Henzada, Burma ( Winlcley).
Types in Coll. Acad. Nat. Sciences, Philadelphia.