INSULARUM MADERENSIUM 157 



Habitat ubiqiie in Maderae sylvaticis declivibus ad rupes umbrosas excel- 

 sas, sub fuliis putrescenlibus v. sub lapidibus: fdssilis ad Caniçal frequens, iii 

 Deserta insula Austral! rarior. 



Obs. Variat quampluriniúm testa majore, minore, lúcida, scrieeo-nitente, 

 limo fuscescenle obducla, castanea, kileola, olivaceo-nigreseente, anfractu ultimo 

 plus minus ventricoso, praecedenti ampliore v. vix majore, carina obsoleta, sub- 

 angulata, spira abbreviata, subproducla, sliiis obsoletis v. distinctis, spiralibus, 

 paucis V. nullis, apertura spira breviore, subaequante. 



Var, praecipuae adsunt, 



a flavpscens, testa conoideo-pyramidata, angulato-carinata, stramineo-flaves- 

 cente v. virescente, spira subproducta, sutura dislincta, non impressa, anfracti- 

 bus planulatis, striatis, striis creberrimis, exilibus, reliculatis, ultimo praecedenti 

 vix majore, apertura spira manifeste breviore. — -Animal timidum, cito sese re- 

 condens, corpora intense aurantiaco, collo dorsoque mamillis fere inconspicuis, 

 fuscis punctulalo, fronte rubro-niaculalo, tentaculis brevibus, caerulescentibus, 

 pede aurantiaco, postice oblusiusculo, operculam rubrum, spiris remotis, vix 

 distinctis constitulum, ferenle. 



Craspedopoma flavescens, Low. Ann. and. Mag. of Nat. Hist. aug. 1860 



In Maderae convallibus Ribeiro Frio, Ribeira da Metade, necnon in dumo- 

 sis curn C. -lúcido sodalis liaud frequens; fossilis in Portosancto ad Campo de 

 Baixo haud raro. 



j3 neritoides, tesla ovato-conoidea, subangulato-carinata, griseo-fulva, cha- 

 iybeo-caerulescens v. metallico nitore nigra, striolis exilissimis, creberrimis, spi- 

 ralibus transverse munita, spira subahbreviala, sutura distincta, haud impressa, 

 anfractibus convexiusculis, ultimo [iiocedenli certe ampliore, subventricoso, aper- 

 tura spiram subaequante. — Animal valde timidum, rapide intra testam fugiens, 

 corpore intense luleo, infra fusco-fasciato, dorso subfuscescente, collo mamillato, 

 oculis nigris rubra área circumdalis, fronte aurantiaco, nigro-mamillato, tenta- 

 culis longis, lanceolatis, violaceis, pede luteolo, fuscis punctulis notato, postice 

 rotundato, operculum rubrum, spiris concentricis, remotis, distinctis constitu- 

 tum, ferente. 



Craspedopoma neritoides, Low. Ann. and mag. of Nat. Hist. aug. 1800 



In Maderae sylvaticis exceisis, praecipue loco Lombo das Vavcns dicto pi-ope 

 S. Vicente, necnon ad vicum S. Jorge sub foliis latens in umbrosis rnpestribus 

 rarissime. 



Obs. Quamquam clariss. Rev.'' Lowei malacologam scientiam pkirimi lia- 



