!CiO 



MOl.LUSCA TKRRESTRIA ET FI.UVIATILIA 



[ihiiialiis; apertura spira vix brevior; peristoma alhidum, crassiusculiim; oper- 

 iiiliim sórdido cnriiourn, interdiim nlivacoiim, saiirriiiiiHiini, niariiladim, spiris te- 

 iiiiissiinis, (|iiasi iiidislinctis ciiiislriicliiiii. — Animal ](ii,'iiiin, limidiim, rapide intra 

 testam fiigiens, corpore alhido. |iclliiridn, fronte maculis magnis, aurantiacis la- 

 Irralilcr nolatn, lostro proliosciden, inamillis '2 suMancenlalis infra munito, ten- 

 lamilis cyiiiidrico-lanceoialis, graciiibus, raeruleo-niíírescenlil)iis, pede sordide 

 alljo-Iutescente, margine caerulescente, solea mainillata. 



Long. 4-4 '/2, diam. ;i "2, a[)ert. i niill., spir. 2 '/2 longa. 



Craspedopoma trochoideum, Low. Ann. and Mag. of Nat. Ilist. aiig. 18G0 



llahilal rarissiine sui) ti-nni-is fmnrtiiis in excHsiorihiis Madorae circa S.'" 

 \iiiui, ad convallem Uibi-ira dn lioa Vciitma: liaud raro in umljrosis iiumidis 

 sul) emarcidis foliis supra terram in convallibus liihdra do Inferno, Ribeira 

 Funda dictis; subfossilis ad convallem Hilicira de S. .hinje rain; ad Caniçal fos- 

 silis freijuens. 



Obs. Klsi C.-Lvonnetiano Lowe, sculptura, babiln,magnitudinef]uodammodo 

 airniis, testa tanien exacle trochiformi, intense fusco-cotlaeacea s. nigra, slriis 

 valde distinctis, anfrartus ulliuii basi ampliore, magis depressa, qnasi plana, ra- 

 rina magis exserta, s])ira breviore, anfractibus depiessioribus sane diseeinitur. 



Species sic dicta, quòd Trocluim-niioticum v. ziz3phinum Linn. conforma- 

 tione refert. 



Germanus malacologus piimiis invenit: postea clai-iss. Wollastonus, Moni- 

 ziis, Leaeociius cum clariss. Uev.'' Loweo amice communicarunt. 



Onki IMl(ISÍ)I{IU^CIIIATA, Blainvillc 



Testa ad tolum corpus recipiendum adaptala. — Animal abdomine amplo, 

 pallio dorsum supra imposito, plerumque pectinatas braneliias, ante cor a|iposi- 

 tas includenle. Dioecium. 



Seclio llolosloniala. Floming 



Testa patelliformis, raro tubulala v. nuiltivalvata; apertura margine inte- 

 gro; operculum corneum v. testaceum, pleruniíjue spirale. — Animal brevi ro- 

 stro, nec retraclili, Ijranchiis pectiniformibus, ad diirsum oblique et transverse 

 positis vel ad collum dextrorsum adnatis, collo infiilis lilamenlisque tentaculari- 

 iius ornato. Ut plurimum lierbivorum: ad aquas dulces v. in arenosis maritimis 

 inhattitans. 



