Zoological Society. 473 



Helix sagittifera, Pfr. an Nanina ? Hel. T. subperforatd, fe?nii, 

 pellucidd, oblique striata et obsolete rugosd,fiilvd, maculis seriatis 

 sagittiformibus et ad carinam obsoletam fascia itnicd rufd ornatd ; 

 suturd impressd, ad anfractum ultimum subcanaliciilatd ; anfrac- 

 tibus A\ planiusculis, ultimo inflato ; aperturd perobliqud, lunatO' 

 ovatd, ititiis lacted ; peristomate simplici, ad columellum sub- 

 incrassato, vix reflexo, margine superiore dejiexo. 



Diam. 2; altit. MO poll. 



Hab. Sinait insulcE Lu^on. 



Affinis H. LamarckiancB, Lea. Diftert forma minus depressa, an- 

 fractibus spirae lente crescentibus, ultimo vix carinato, et colore. 



Varietas : testa distincte carinatii, superne intense rufa, infra 

 carinam fascia nigricante dilutii circumdata, basi olivaceo-fulvii, 

 maculis sagittiformibus obsoletis. — Bolinao insulse Lucon. 



Helix fulvida, Pfr. an Nanina ? Hel. T. subperforatd, subglobosd, 

 tenui, pellucidd, pallide fulvescente, superne coifertissime et mi- 

 nutissime granulosd, basi glabra, nitidd ; spird elatd ; anfractibus 

 5^, supremis pilanis, 1^ ultimis rotundatis ; aperturd lunari ; pe- 

 ristomate simplici, margine columellari subincrassato, ad perfora- 

 tionem obsoletam reflexo. 



Diam. 1-25 ; altit. 0-85 poll. 



Hab. Insula Mindanao. 



Helix JAXUs/Chemn. xi. 301G. 17.— Helicella, Fer. pr. 233. — An 

 Nanina ? Hel. T. sinistrorsd, perforata, orbiculari, tenui, dia- 

 phand, oblique regulariter et confertim striatd, superne fused, basi 

 convexd, rufd, nitidiusculd ; spird late, depresso-conoided ; anfrac- 

 tibus 7 planulatis, ultimo carinato ; aperturd lunari; peristomate 

 tenui, acuto, margine columellari refexiusculo . 



Diam. 1-30; altit. 0-SO poll. 



Hab. in monte Ophir, peninsulse Malaccanse. 



H. Mackensiana, Saul in Revue Zool. 1841, p. 347, eadem esse 

 videtur. 



Helix porphyria, Pfr. an Nanina "t Hel. T. perforata, depressd, 

 solidd, oblique rugoso-striatd, rufd, maculis et strigis creberrimis, 

 flavido-albidis subprominulis marmoratd, carinatd, infra carinam 

 rufo-fasciatd, basi olivaceo-fulvd, nitidiore ; anfractibus 4^ pla- 

 nulatis, regulariter crescentibus, ultimo circa perforationem aper- 

 tam excuvato ; aperturd subrhombed ; peristomate simplici, tenui, 

 margine columellari arcuatim reflexo. 



Diam. 1-80; altit. 1-00 poll. 



Hab. Insula Burias, 



Helix SAMARENsis,Pfr. Hel.T, umbilicatd, depresso-conoided, tenui, 

 oblique striatuld, fulvido-albd , fasciis rufis ornatd ; basi planulatd ; 

 suturd lineari ; anfractibus 4| planiusculis, ultiyno basi subcari- 

 nato ; umbilico angusto, pervio ; aperturd horizontali, ellipticd ; 

 peristomate simplici, margine supero expanso, basali late reflexo, 

 edentulo. 



Diam. 0-90; altit. O'oO poll. 



Hab. Insula Samar, 

 Ann. ^ Mag. N. Hist. Vol. xi. 2 I 



