106 Rev. R. T. Lowe on new Canarian Land-Mollusca. 



5. H. deusta. 



T. orbiculato-convexa ornnino adulta subgloboso-depressa obtusa 

 carinata subobtecte perforata termis fragilis sericeo-nitens argute 

 crebristriata rufescens fere concolor, aliquando strigellis albidis 

 maculisque fuscis ad suturam carinamque fasciato-tessellatis indi- 

 stinctis V. obscuris subvariata, subtus Isevior immaculata ; spira 

 elevatiuscula plus minus depressa apice obtusissima, anfr. 5-5 1 

 convexis arete et tenuiter oblique striatis, ultimo baud descendente, 

 carina antice evanida ; sutui'a distinctissima valde impressa ; per- 

 foratione minima semiaperta labro ad axin reflexo partim obtecta ; 

 apert. depressa transverse lunato-ovali duplo fere latiore quam 

 alta ; perist. recto simplici tenui acuto ad axin breviter reflexo. 



Diam. maj. 8, min. 7h, alt. 5^-6 mill. Anfr. 5-5|-. 



Hab. in sylvis montosis editioribusque convallium Ins. Palmse. 



Of two authentic examples of H. oleacea, Shuttl., from Mr. 

 Cuming^s collection, one is most assuredly only the ordinary 

 thin-shelled sylvan form (7 nob.) of H. phalerata, Webb [H. ni- 

 variensisy Shuttl.) ; of the other, in Mr. Wollaston's possession, 

 examined somewhat cursorily, I can only say that it may be a 

 legitimate H. deusta. Hence it is impossible to adopt Mr. Shut- 

 tleworth^s name and diagnosis for the present shell, which it 

 either excludes, or at most admits only incidentally, and not by 

 direct or precise definition. 



H. deusta itself may indeed well prove to be merely another 

 variety or form of H. phalerata, Webb. But, besides its very 

 different habit, it is distinguishable technically by its gr-eater 

 smoothness, especially beneath, by its obtusely rounded (often 

 merely convex) spire and apex, less sharp keel, more discoidal 

 shape or, at least, entire absence of conical outline, distinctly 

 convex volutions, and plain brown colour — except sometimes a 

 tessellated carinal band, and more rarely the faintest possible 

 traces of others, placed as in H. phalerata. 



§ ACTINELLA, Lowe. 



6. H. torrefacta. 



T. orbiculato-depressa umbilicata subcarinata spiraliter striis sub- 

 lamellatis argute et sequaliter filo-cincta, transversimque subtilis- 

 sime et creberrime arete striolata, albida fusco tessellatim fasciato- 

 picta V. lentiginoso-maculata ; spira convexiuscula, sutura valde 

 distincta impressa, anfr. 4^-5 convexis, ult. antice descendente; 

 umbil. parvo subspirali ; apert. depressa transverse ovali labris 

 approximatis v. continuis ; perist. tenui simplicissimo. 



Diam. maj. 5^-6|^, min. 5-6, alt. ^\-A mill. Anfr. 4^-5. 



Hah. in rupium facie aridissima aprica, sole occidentali calefacta, 

 supra "Salinas" Arise ad oram septentrionalem Caurum versus 



