Zoological Society. 14 7 



3. Helix subfusca, Pfr. {Vitrina subfusca, Beck MSS.) Hel. 

 testd subperforatd, depressd, tenui, subtiliter striatuld, pellucidd, 

 corneo -fused ; spird vix elevatd ; suturd levi, submarginatd ; an- 



fractibus 41 vix convexiusculis, celeriter accrescentibus, ultimo 

 peripherid rotundato, antice non descendente ; aperturd subobliqud, 

 late lunari; peristomate simplice, tenui, recto, marginibus conni- 

 ventibus, dextro subsinuato, columellari subverticali, superne vix 

 rejlexiusculo. 



Diam. 11 \, altit. 6£ mill. 



From Sorsogon, isle of Luzon ; collected by Mr. Cuming. 



4. Helix vargasiana, Pfr. Hel. testd subobtecte perforatd, conico- 

 globosd, costulatd, opacd, cretaced, fasciis nonnullis obsoletis gri- 

 seis notatd ; spird conicd, obtusd ; anfractibus 5% convexis, ultimo 

 inflato, antice descendente ; aperturd lunato-rotundatd ; peristomate 

 simplice, margine supero et dextro rectis, basali breviter, columel- 

 lari latissime reflexo, subverticali, perforationem fere tegente. 



Diam. 13, altit. 8} null. 



From the island of Porto Sancto ; collected by Count Vargas. 



5. Helix calcarea, Pfr. Hel. testd perforatd, depresso-globosd, 

 striatuld, lineis impressis obsolete reticulatd, opacd, calcared ; 

 spird breviter conoided, acutiusculd ; anfractibus 5 convexiusculis, 

 ultimo peripherid subcarinato, antice vix descendente; aperturd 

 subverticali, late lunari ; peristomate simplice, margine supero le- 

 viter arcuato, basali breviter , columellari paulb latius reflexo ,declivi. 



Diam. 15, altit. 10 mill. 



From Porto Sancto ; collected by Count Vargas. 



6. Helix casta, Pfr. Hel. testd imperforatd, depressd, utrinque 

 subaqualiter convexd, carinatd, striatuld, nitidd, sub epidermide 

 decidud pallide lutescente albd ; suturd lineari, cretaced; anfrac- 

 tibus 4 subplanis, ultimo juxta suturam et infra carinam obsolete 

 angulato ; columella brevi, declivi, excavatd, basi subtortd ; aper- 

 turd subtrapezid ; peristomate expanso, albo, margine basali leviter 

 arcuato, cum columelld angulum \ formante. 



Diam. 47, altit. 23 mill. 

 Locality unknown. 



7. Helix anomala, Pfr. Hel. testd umbilicatd, depressd, carinatd, 

 solidd, utrinque convexiusculd, granulatd, violaceo -fused ; anfrac- 

 tibus 5 convexiusculis, ultimo undique soluto, antice subitb descen- 

 dente, basi constricto, profunde 4-scrobiculato ; umbilico cylindrico, 

 aperto ; aperturd horizontali, transverse pyriformi ; peristomate 

 crasso, continuo, hepatico, undique late expanso, margine basali 

 profunde quadridentato. 



Diam. 24, altit. 11 mill. 



From Jamaica. Nearly allied to H. sinuata, but differing in the 

 umbilicus and the form of the mouth. Nevertheless it may possibly 

 be a monstrous variety of that shell. 



8. Bulimus imperator, Pfr. Bui. testd imperforatd, ovato-conicd, 

 solidd, striatuld, strigis nigris, fulvis et albidis alternantibus , 



10* 



