72 



dente, obtune angulato, superne ohsolete impresso ; umbilico magito, 

 spirali ; aperlurd perobligud, rotundato-lunari ; pcristomate shn- 

 plice, acuto, albido-carneo, bitus subincrassato, margine supero lale 

 expanso, basali rejlexo, columellari subdilatato. 



Diam. 41, alt. 14 mill. 



Locality unknovvn. (Coli. Walton.) 



5. Helix rubicunda, Pfr. Hel. testd perforatd, depresse turbi- 

 natd, rugoso-striatd, obsolete et minutissime granulutd, subepider- 

 mide corned, decidud rubicundd; anfractibus 5\ subpianulatis , 

 ultimo medio obtuse angulato, basi convexiore ; aperturd obligiie 

 lunari ; peristomate simplice, recto, margine dextro antrorsum 

 subdilatato, columellari dilatato, reflexo, perforationem semi-occul- 

 tante. 



Diam. 27, alt. 15 mill. 



Locality uiikno\vn. (Coli. Walton.) 



6. Helix SaulijE, Pfr. Hel. testd umbilicatd, globoso-depressd, 

 solidiusculd, obligue striatd, fulvidd, medio fascid unicd albd, 

 utringue rufo -marginai d ornatd ; spira brevi, obtusd ; anfractibus 

 4 vix convexiusculis, ultimo basi subplanato, antice subith defiexo, 

 circa umbilicum angustum, pervium rufo ; aperturd perobligud, 

 lunato- ovali ; peristomate breviter reįlexo, marginibus conniventi- 

 bus, callo tenuijunctis, columellari castaneo, valde dilatato, umbili- 

 cum f ere occultante. 



Diam. 32, alt. 20 mill. 



Locality unknown. (Coli. Cuming. et Saul.) 



7. Helix RHOMBOSTOMA, Pfr. Hel. testd tmperforūtd, trocMformi, 

 tenuiusculd, obligue striatuld, lineis confertissimis concentricis 

 subdecussatd, nitiduld, albido-fulvescente,fasciis castaneis plurimis 

 crnatd ; spira brevi, conicd, apice acutd; anfi-actibus 5 plaiiius- 

 culis, ultimo acute carinato, basi vix convexo, antice paritm deflexo, 

 d. latere subcompresso ; aperturd rhombed ; peristomate violaceo, 

 margine supero ezpanso, superni impresso, columellari stricto, di- 

 latato, plano, adpresso. 



Diam. 28, alt. 15 mill. 



Locality unknown. (Coli. Saul. et Metcalf.) 



8. Helix planissima, Pfr. Hel. testd umbilicatd, depressissimd , 

 lenticulari, tenui, utringue obligue rugoso-costatd, albidd, subtus 

 interdum corneo-fasciatd ; anfractibus 5į cotivexiusculis, acute 

 carinatis (carind compressd, prominente, serratd), ultitno antice vix 

 descendente, basi conveiiore, circa umbilicum mediocrem, spiralėm 

 subangulato ; aperturd depressd, angulato-lunari ; peristomate sim- 

 plice, margine basali plane arcuato, reflexo. 



Diam. \\\, alt. 4| mill. 



Locality unkno\vn. (Coli. Walton.) 



Similar to //. amanda, Rossm., from which it may be distinguished 

 by its thin and flattened shell, its umbilicus, and the peristome not 

 thickened. 



