Zoological Society. 339 
cies is likewise similar to several unkeeled varieties of Hel. bifasciata, 
but by examining a large number of specimens of this and the other 
ones, I found the above characters to be invariably constant. 
13. Hexix Mercarri, Pfr. Hel. testd lat? umbilicatd, depressd, 
discoided, acuté carinatd, striatuld, pallide vel rufescenti-corned, 
utringue juxta carinam albam castaneo-unifasciatd ; spird vie ele- 
vatd ; anfractibus 6 vie convexiusculis, ultimo antice vix descen- 
dente ; aperturd subtriangulari ; peristomate simpiice, margine 
supero antrorsum arcuatim dilatato, depresso, basali ad columellam 
leviter arcuato. 
Diam. 21, alt. 7 mill. 
(). Minor, flavida, lineis angustis nigricanti-rufis juxta carinam. 
Diam. 17, alt. 54 mill. 
y- Unicolor, fusco-cornea. Diam. 15, alt. 5 mill. 
Found by Mr. Cuming on the Philippine Islands and at Sibonga, 
island of Zebu; /5. at Tanhay, island of Negros; y. on the island of 
Siquijor. Distinguished from all species belonging to the same 
group by its flattened shape. 
14. Hexrx tristis, Pfr. Hel. testd imperforatd, ovato-globosd, 
tenui, striatd, lineis concentricis obsoleté decussatd, olivaceo-fuscd, 
rufo 5-fasciatd ; spird parvuld, conoided ; anfractibus 4 convevi- 
usculis, ultimo infiato ; aperturd lunato-ovali, intus nitidd ; peri- 
stomate simplice, recto, margine columellari dilatato, reflexo, ad- 
presso. 
Diam. 21, alt. 18 mill. 
This species is said to be found in Sicily, but there may be a 
mistake. 
15. Hexrx Apamsu, Pfr. Hel. testa imperforatd, orbiculato-con- 
vexiusculd, leviter striatuld, nitidissimd, fulvescenti-luted, unicolore 
vel fascis saturate fulvis et castaneis multimod? ornatd et radiata ; 
spird conveviusculd, obtusd ; anfractibus 34-4 vix conveviusculis, 
ultimo basi planiore ; aperturd rotundato-lunari ; peristomate sim- 
plice, acuto, margine columellari subobliquo, dilatato, albo. 
Diam. 12, alt. 64 mill. 
Hab. Pitcairn’s Island and Opara. Collected by Mr. Cuming. 
The late patriarch of the island pointed out this shell to Mr. Cu- 
ming, and at his request I have the pleasure to dedicate it to the 
venerable man’s memory. 
16. Hevix sanamensis, Pfr. Hel. testa anguste umbilicatd, de- 
pressd, tenui, corned, costulato-striatd ; spird brevi, convexiusculd ; 
anfractibus 45 vir convexiusculis, ultimo antice deflexo ; apertura 
subhorizontali, transverse ovali ; peristomate simplice, tenui, mar- 
ginibus approximatis, supero breviter expanso, basali reflexo, intus 
dente triangulari, valido munito, columellari dilatato, reflexo, um- 
bilicum angusium, pervium semitegente. 
Diam. 17, alt. 73 mill. 
Hab. Bahamas. 
17. HeLix BerRMuDENSIS, Pfr. Hel. testd umbilicatd, lenticulari, 
2B2 
