()f) MOLLLSCA TKRRESTRIA KT FI.UVIATIUA 



Variet. ndesl, 



a. minnr, semifossilis in insula l*ortosancto juxta Campo dn Baixo, Cabeço 

 (ia Malhada rara. 



Obs. H.-coronnlae Lowe próxima; testa vero depressiore, discoidca, coslis 

 llexHOsis, rotato-radiantibus, striis spiralibus nullis, anfraclibus obluse carinatis. 

 aperlnr,) fere dupla, trigona s. triangular!, peristoinate intus Inherculn crasso 

 coarrlali) salis discernitur. 



Species sic dieta, quòd spirae confoiínatione testa coronulam refert. 



Soniifossilem et fossilem primus inveriit clariss. Rev.'' Loweus iSá8. 



Vivam clariss. Wollastonus anno 1848. — Poslea egomet in Illieo de Cima 

 anno I8fi3. 



Seciio (Iraspedaria (Lowe) 



Testa umbilicata, deprcsso-trochoidea s. conoidea, coslellata s. crenato ru- 

 gosa, interdum profunde foveolala; anfraclus G-8 planati, uitimus plus minus 

 carinatus s. angnlatns, aiilice profunde dellexus; apertura roíundaia v. rlioni- 

 bea, angulala, relevala; pcristoma coiiliniium, refiexuni. circinatu:n. 



()0. Ildiv (lel|ibiiiul;i, i.owe 



Testa umbilicata, trorboideo-depressa, lale limbato-carinata, ochraceo-cre- 

 lacea, supi-a iiiieolis obli(piis, uiidatis, arde arenulatis inslructa, crenulato-re- 

 ticulata, Sdliila; spira imbricala, cpiasi lecliforniis, ápice i)hHi(i-tiuncata: sutura 

 obsoleta; uuibilicus amplissimus. perspeclivus, inlus crenato-rugosus, rancellatim 

 grannlosus: anfractus 7-8 planati, conduentes, carina plicata per spiram excur- 

 rente iinbiicali, ulliuuis infra caiinam coslalus, rugnioso-cancellalus, antice in- 

 signitcr dcllexus; apertura relevato-depressa, snbquailrato-rluinibca, angniata; 

 peristoina conlinuum, omniiio Sdhitum, rirciíialum, íimbiialo-expansura, patulo- 

 reflexnm, lubaeforme, auriculaUnn. 



Diani. niaj. 18-^21, min. I."i-17, alt. 9-10 mill. 



Helix delpliinula, Bow.? Excnrs. in Mad. 

 » » Low. Syn. Diagn.; et Cat. moll. Mad. 



Fossilis cnpiose reperilur in insula Madera ad Canirol in arena calcarea: 

 recens liodie non visa. 



Variet. adsimt. v. aUispira, spira valde elala, quasi galeata, testa basi am- 

 pliore, anfracliiuis eonvexis, lalissime carinalis, raro cum forma tvpica immixía. 



/3 dppressispiía, spira valde depressa, (minino planata, rarior. 



Ot)s. Il.-turcicae Chemn. alliiiis; unibilici lamen parietibus non carinalo-dt)- 



