1862.) DR. L. PFEIFFER ON A NEW HELIX. 117 
aucta; perist. duplex, internum porrectum, basi fissum, ea- 
ternum patens et reflecum, parte canalem formante recurvata. 
Long. 23, diam. 10 mill. 
Hab. In sylva “Annamallay,” ad radicem montium Nilgiricorum. 
7. Cauu1a wauuacet, Pfr. (Pl. XII. fig. 1). 7. irregulariter 
pupeformis, solidula, levigatissima, callo nitido obducta, fulvo- 
earnea vel albida ; spira irréegularis, apice brevissime conoidea ; 
sutura indistincta ; anfr. sub 43, summi vix conspicui, 2 ultimi 
antrorsum deviantes; apertura subcircularis, integra; perist. 
rectum, leviter incrassatum, ad parietem aperturalem adnatum, 
parte columellari subinflata. 
Long. 5, lat. 3 mill. Ap. diam. } mill. 
Hab. In insula Ceram (Mr. Wa allace). 
8. Hyprocena (OMPHALOTROPIS) CERAMENSIS, Pfr. 7’. sub- 
perforata, ovato-conica, tenuiuscula, levigata, nitida, unicolor 
Sulvida vel cingulo albido ornata ; spira conica, acuta ; sutura 
marginata ; anfr. 7, vix eonvexiusculi, ultimus peripheria leviter 
filocarinatus, crista basali forti munitus ; apertura parum ob- 
liqua, angulato-ovalis ; perist. simplex, expansiusculum, mar- 
ginibus distantibus, interdum callo tenuissimo junctis, sinistro 
flexuoso, medio subdilatato. 
Long. 8, diam. 4 mill. 
Hab. In insula Ceram (Mr. Wallace). 
5. Description oF A New Species or Hetrx (NANINA). 
By Dr. L. Preirrer. 
(Plate XII.) 
Hetrx titanica, Pfr, (Pl. XII. fig. 3). 7. angustissime umbi- 
licata, conotdeo-depressa, solidula, lineis impressis spiralibus 
et irregularibus obliquis sculpta, sub epidermide pallide viridi- 
lutescente albida ; spira conoideo-convexa, vertice minuto, ob- 
tuso ; anfr. 54, viv convexiusculi, priores subcarnei, ultimus non 
descendens, ad suturam crenulatus, medio obtuse carinatus et 
Jascia latiuscula spadicea deorsum diluta notatus, subtus in- 
Jlatus ; apertura obliqua, ovali-lunaris ; perist. rectum, mar- 
ginibus distantibus, columellari vix incrassato, ad insertionem 
in laminam brevem triangularem revoluto. 
Diam. maj. 68, min. 57, alt. 38 mill. 
Hab. Anamallay Forest, at the foot of the Neilgherries (Mus. 
Cuming). 
EXPLANATION OF PLATE XII. 
Fig. 1. Callia wallacei, p. 117. Fig. 7. Rhiostoma simplicilabre, p. 115. 
2. Cataulus recurvatus, p. 116. 8. Rhiostoma hainesi, p. 115. 
3. Helix titanica, p. 117. 9. Rhiostoma houset, Haines, Ann. 
4. Cyclotus trailli, p. 116. Lye. N. Y. vi. p. 157 (for 
5. Leptopoma porte, p. 116. comparison with R. hainesi). 
6. Cyclophorus saturnus, p. 116. 
