INSULARUM MADERENSIUM 159 



3. Craspedopoma Ljonnctianum, Lowe 



Testa angusto-perforatn, snbcompresso v. conoideo-pyramidata, tenuiscula, 

 fusco s. nigro-coffaeacea, lúcida; spira producta; sutura impressa; anfraclus 

 3-5 Vi convexo-pianulati, aequicrescentes, striis spiralibus, creberrimis, grossius- 

 culis instructi, ultimus antice adscendens, subsolutus, obsoiete anguiato-carinaUis; 

 apertura subverticalis, rolundata, spira manifeste brevior; peristoma simplex, 

 continuum, rectum; opercuium pallide lutescens s. corneum, margine albido. — 

 Animal tardissimum, cito sese recondens, corpore albido-lutescente, pellucido, 

 dorso maculis rolundalis, minutis asperso, fronte aurantiaco, sparsim nigro-ma- 

 culato, rostro inciso-truncato, tentaculis longis, graciilimis, cylindraceis, ápice 

 siibclavalis, nigris, pede albido-plumbeo v. purpurino, médio pallidiore, margini- 

 bus nigro-fasciatis, postice acutiusculo, opercuium ténue, obsoiete spiraie, sub- 

 lutescens v. corneum, margine albido, fere membranaceo ferente, orifício respi- 

 ratório macula nigra partiin munito. 



Loug. 4-3, diam. 3, apert. 1 '/à miil., spira 2-3 longa. 



Cyclostoma Lyonnetianum, Low. Syn. diagn. 



» » Alb. Mal. .Mad. (fig. vis. distincla) 



Craspedopoma » Pfeiff. Mon. Pneum. 



» » Low. Cat. moll. Mad.; et Ami. and Mag. of Nat. 



Hist. aug. 18GQ 



Habitat haud raro in Maderae insutae convalFibus Ribeira de S.'" Luzia, Ri- 

 beiro Frio, ad rupes declives, irriguas, in convallis Ribeira do Inferno adytis 

 umbrosis copiose. 



Oi)s. A C. -lúcido Lowe testa multo minore, ad basín diverse conformala, 

 spira producta, striarum diversa dispositione, anfractu ultimo carinato-angulato, 

 operculo aibido-corneo, nec castaneo-rubro, certe díscernitur. 



Species ita dieta a clariss. Lyonneti nomine, cui a clariss. Rev.'' Loweo di- 

 cata. 



Primus invenit clariss. Wollaslonus. 



4. Craspedopoma Irochoidcnm, Lowe 



Testa rimata, connideo-abbreviata, trochiformis, solidiuscula, fusco-oiivacea 

 s. viridi-nigrescens; spira cónica, apii;e acuta; sutura distincta; rima fere clausa; 

 anfractus 5 Ya planulati, inaequicrescentes, stríolis aequalibus, crebris, exilissi- 

 mis, transversas, itiaequaies subliliter decussantibus, iillimus angulato-carinatus, 

 súbito praecedenti major, antice sursum subdihUatus, abrupte adsceadeus, basi 



