385 



turą obltąua subangulato-circulari ; perist. subduplice interno 

 v^.^nterrupo, adnato, e.terno patente, concentrfce stiatuo, 

 fulZn " "'"' ^'-'^'"*"" refle.o.--Operc. planum, 



Diam. maj. 12, min. 10, alt. 10 miU. 



17. Helicina gratiosa, Pfr. H. testą suhgloboscturbinata 



^r ll "'Tl''' *'"■"'" *^^''-«^^'^«* obsoletissi..e Zata, 

 nitida, pelucida fuscescenti-rubra vel lutea ; spira conoidea 

 acut^scula; an/r. 5conve.iuscu/is, ulthno subcLnato antte 

 9otundato; columella subrecedente, alba, callum emittente 

 amdum; apertura oblUua, subtriangulato-semicirculari Tpe- 

 7eum '^''' '" '"^P^'^'^—Operc. tenue, solidum, oar- 



Diam. maj. 9, mia. 7h alt. fere 6 mill. 



\ča'^T''^ '""f ''; V'- ^- ^''''' t^rbinata, teaui, nitidis- 

 ZhJll^iTi '''"*''^'' *^""'^"" spiralibus conferte notata, 

 rubella albido-marmorata, vel lutea aut carnea nallide rubro 

 vanjata; sp^ra conoidea, acuta ; anfr.fere 5 cinve.iul^l 

 ultimocompresse et acute carinato, basi conve^iore ; columella 

 brevi basi subdentata callum emittente crassiusculum diffusum; 

 apertura obhciua, subtnangulari ; perist. albo, margine supero 

 breviter expanso, basali reJlexiusculo.~Operc f 

 Uiam. maj. lOi min. 8f, alt. 6f mill. 



Besides the described new species, there were in the šame collectiou 

 from the Admiralty slands, Helix Novce Hibernic, Quoy,>° S. 

 Pfr. (beautitul and large varieties), migratoria, Pf?, Sachalenl' 

 Pfr., motacMa,Vi, Cleryi, ^.c\.,helicinoides, Jacą. pglisuS 

 Grimardi, Desh., bretipila, Pfr., Pfeifferi, Phil., &c. ^•/^'*' '^'°'^'' 



5. Descriptions of Thirty-three New SpįciES OF Land- 



&HELLS, FROM THE CoLLECTION OF H. CuMING, EsQ. 



By Dr. L. Pfeiffer. 

 (MoUusca, PI. XXXVI.) 



'■™'' Gi-ORIOSA Pfr. H. testą imperforata, depresse ovata. 

 aassa.ponderosa. oblicue conferte plicato-striata lirisaue crebriš 

 obtusis subregularibus cincta, fulvida, strigis singulispallidis et 

 saturatonbus notata; spira convexa. obtusa. nuda. sub lente 

 granulata, apice subtilissimo ; anfr. 3^ rapide accrescentibus, ui- 

 timo perinflaio ; apertura diagonali, lunato- ovali, inius rubella- 

 perist. crassissimo breviter expanso. marginibus callo crass'o 

 junctis, columellar i adnato. 



Diam. maj. 64, min. 50, alt. 39 mill. 



Hab. Madagascar. 



2. nELix DUCTiLis, Pfr. H. testą umbilicata, discoidea, tenui 

 No. CCCXXV.— Proceedings of the Zoological Society. 



