1 10 Rev. R. T. Lowe on new Canmian Land-Mollusca. 



13. H. Paivana. 



T. parvula solidiuscula depressa distincte carinata malleata lucidi- 

 uscula laevigata oblique distincte v. argute crebristriata interstitiis 

 hinc inde obsoletissime spiraliter interruptim striolatis, supra fusco- 

 nigrescens fasciis continuis obscuris, subtus fulvo-virescens ; spira 

 convexo-depressa, anfr, A-A^ planiusculis, ult. distincte carinato 

 antice deflexo, sutura distincta ; apert. obliqua depressa deltoidea 

 subsinuata; perist. latissime expanso-limbato piano tenui fragillimo 

 purpurascente ad basin strictiusculo intus dilatato-calloso v. hori- 

 zontaliter subplicato v. excavato albo, labris subparallelis dis- 

 jimctis. 



Diam. maj. 18-20, min. 16-17, alt. 12-13 mill. Anfr. 4-4|. 

 H. Bethencourtiana, Coll. Cum. (not Shiittl.). 



Hub. in Tenerifse convalle Sancto (Barranco Santo) ad villam S"" 

 Crucem abunde, nee alibi. 



Nomen in honorem Baronis Castello de Paiva, viri de gente 

 Lusitanica nobilitate illustris, in rebus prsesertim botanicis versati, 

 necnon de omni scientia naturali animi studio eximiaque liberali- 

 tate bene merentis. 

 A very close ally to H. psathyi-a, but sufficiently distinct, — 



though more so, perhaps, in habit and aspect than is expressible 



in characters. 



Of two distinct shells in Mr. Cuming's collection (one marked 



" H. Bethencourtiana, Shuttl., S^^ Cruz," the other simply " H. 



Bethencourtiana''), the first is merely a small, pale, thin-shelled 



form or var. of H. Adansoni, Webb ; the latter is the present 



species. 



14. H. valverdensis. 



T. parvula subgloboso- depressa v. depressa tenuiuscula obsolete v. 

 haud carinata lucidiuscula Iseviuscula haud malleata sed arete et 

 subobsolete tenuiter crebristriata et aliquando hinc inde obsoletis- 

 sime reticulatim subundulato-rugulosa subtilissime granulosa cof- 

 fceacea fulvo- v. flavo-fusca subconcolor fasciis continuis valde 

 obscuris, sutura angustissime albo marginata ; spira convexo- 

 depressa, anfr. 4-4 1 planiusculis, ult. ssepius haud carinato antice 

 paulo dejiexo, sutura distincta ; apert. oblique rotundato-ovali 

 (Bquali ; perist. simpliciusculo subincrassato-expansiusculo v. con- 

 vexo-rejlexiusculo angusto albo, labris cequaliter omnino arcuatis 

 subconvergentibus. 



Diam. maj. 16-20, min. 15-17, alt. 12-16 mill. Anfr. 4-4|. 



"H. Gaudryi, D'Orb., Pfeififer," in CoU.Cuming ! (not H.Gaudryi,WOr\i.). 



Hub. in Ins. Ferro ad Villam Valverde in horto D°' Isidro, ad alt. 

 2500 fere ped. sub dio humido, nee alibi. 



A single exarnple of this species, differing only in being 

 slightly more depressed than usual in my numerous examples, 

 is marked in Mr. Cuming's collection " H. Gaudnji, D'Orb., 



