zs- SN 
163. Helix pumilio (Turricula) Beck. p. 10. — "Trochus 
pumilio.Chemn, XI. 1888. 89. — "Trochus rugosus MIf, in: Mag. 
d. Gesellsch. nat. Fr. z. Berl. 1818. p. 7. t. 1. f. 10. (B.) — 
umbilicata, conica, oblique confertissime rugoso-striata, albida, 
strigis pallide fuscis notata: basi convexiuscula: anfr. 6 —7, basi 
crenulato-carinatis, supra carinam inflatis: umbilico angusto; per- 
vio: apertura angulato-lunari: perist. simplice. 
Diam, 7, altit, 5*/, mill. — Mogador.  (Chemn.) 
164. Helix rota (Carocolla) Brod. Proc. zool, soc. 1841. 
p. 45. — T. umbilicata, superne planiuscula, basi inflata, carinata; 
irregulariter costata (costis basalibus validioribus, obtusis). sor- 
dide albida, fasciis angustis castancis, 2 supra et unica infra ca- 
rinam acutam, tuberculis albis undulatam, ornata: anfr. 4'/, planis, 
ultimo ad aperturam subtus constricto; umbilico mediocri, pervio; 
apertura lanceolata: perist. simplice, late expanso, marginibus 
solutis, junctis, basali unidentato. 
Diam. 30, altit, 9'/, mill. — Rat. anfr. — 2 : 3. — Insula 
Siquijor. (Cuming.) 
165. Helix rotatoria v. d, Busch: -— T, umbilicata, len- 
ticulari, fusca, oblique striata, acute carinata: spira vix convexa; 
anfr. 6 planiusculis, ultimo basi inflato, circa umbilicum latum, 
infundibuliformem obtuse angulato: apertura lunato- orbiculari: perist. 
albo, simplicé, reflexiusculo. 
Diam. 16, altit. 7 mill. — Rat. anfr. 2 : 3. — Java. (Winter 
et v. d, Busch.) 
166. Helix scrobiculata Pfr. — T, umbilicata, lenticulari, 
tenui, oblique rugosa, fülvido-albida, fusco-zonata, carinata; spira 
parum elata, apice obtuso nitida, glabra: sutura lineari: anfr. 
4'/, convexiusculis, ultimo deflexo: carina subacuta: umbilico an- 
gusto, pervio: apertura transverse pyriformi: perist. simplice, con- 
ünuo, superne expanso, basi late reflexo, unidentato: dente ob- 
tuso, extus scrobiculum formante. 
Diam. 29, altit. 12 mill. — Rat, anfr. — 7 : 10, — Insula 
Bohol. (Cuminzg.) 
: Affinis H. rot*. spira clatiore, carina simplice, subacuta et 
costis deficientibus diversa. 
167. Helix Siquijorensis (Carocolla) Brod. Proc. zool. 
soc. 1841. p. 38, — T. imperforata, depressa, carinata, crassius- 
cula, oblique striatula, rufa, epidermide alba, hydrophana obducta : 
Spira parum exser(a: sutura lineari: anfr. 4'/, planulatis, ultimo 
non deflexo: carina acuta; apertura securiformi: perist, superne 
angulatim expanso, basi reflexo, ad columellam arcuatam subin- 
crassato. 
