INSULARUM MADERENSIUM 1")! 



apice miicronulata ; siiliira vix distincta; anfractus 4 '/-2-6 depressinsi-uli, ulii- 

 mus ^/4 longitLidinis superans, siipei'ne tumidiii;, infra suturam distiiiL-te stiiatiis, 

 versus basin compressiusculani altenuatus; apertura subobliqua. augusta, olori- 

 gata; plicae palatales 2, supera noditbrmis, infera compressa, intraiis; colnmol- 

 laris plica albo-callosa, subtorta; perisloma simplex, dextro margine edentuío, 

 intus callo margini paraliclo, alhido munito. — x\.nimal volox, cito intra testam 

 lugiens, totó corpore alho, pellucido, dorso sublutescente, rosti'o prohoscideo, 

 bipartito, tentaculis brevibus, crassis, oculis parvuHs, nigris, pede (pia(bangulo, 

 crassissimo. 



Long. 5-5 '/2, diam. 3-3 Ya, apert. 4 mill. longa. 



Melampus exiguus, Low. Zool. Jour. 



Auricuia exigua, Low. Cat. moll. Mad. 



Melampus exiguus, Ffeif. Monogr. Auric. et Malakozoologisclie, Blatter Í8GG 



Habitat rarior sub littoi'is lapidibus magnis ad Maderae promontorium S. 

 Lourenço, in loco Calhau da Baixa da Balèa dicto cum A.-aoquali Lowe, T. 

 truncatula, Drap., P.-aíra (Im. commixtus; in insulae Selvagem Majoris cavis 

 rupis Fuma do Inferno dictae cum T. -truncatula Drap. consocius. 



Var. adest, 



X majoi', testa ventricosiore, duplo majore, spira brevíssima; in Pi'omon- 

 torio S. Lourenço liaud frequens, in Selvagem Majore abundans. 



Species certe a congeneribus distinctissima. 



Sic dieta ob testam ahbreviato-conoideam parvulam. 



Primus invenit in Madera clariss. Rev.'' Loweus: varietas x primúm a me 

 in Selvagem Majore inventa. ' 



Gen. Marinula, King. 



Testa imperforata, ovato-oblonga, solidula, sublaevigata; spira cónica; aper- 

 tura ampla, subsemiovalis; labium columellare dilatatum, planum v. excavatum; 

 plicae parietales 2 convergentes; plica columellaris minor, obliqua; peristoma 

 rectum, subsimpiex. 



Genus Pedipedi persimile; testa vero magis elongata, deficienlibus sulcis 

 spiralibus et dentis mediani formatione discrepai: insuper, teste King, animal 

 pedis transverso sulco, in Pedipe valde manifesto omnino carct. (Pfeilferj. 



Marinula aequalis, Lowe 

 Tosta imperforata, fusiformi-ovata, subventricosa, laevigata, solida, casía- 



