lOU MOLLUSCA TERRESTRIA ET FLUVIATILIA 



Gen. Craspedopoma, Pfeiffer 



Testa rimala, lurbinata v. conico-turrita, epidermide tenui vestita; anfra- 

 ctus completi, transverse subtiliter striati, iillimus aiitice subcoarctaliis; axis 

 perforatus; apertura ovalis v. rotundata; peristoma simplex, continuam, refle- 

 xiusculum, operculi niartíinalem prorninentiam excipiens; operculum solidum, 

 corneum, nunieiosis spiris arctissime constitutum, intus médio concavum, ex- 

 tus planiusculum. — Animal tentaculis conoideis, médio crassiuscuiis, nec ápice 

 bulbosis. pedis solea sulco longitudinaii notala, rostro longo, ad ascensum ac- 

 commodato; totum sesse adversus caudain contrahens. ut e testa exiens caudam 

 primúm ostendat, intrans eam demum recondat. — In speciebus diversis saepis- 

 sime analogum s. pai'iler conformalum, in speciminibus ejusdem speciei quàm 

 plurimum quoad habitum varians! — In sjivis sub muscis herbisque, ad maríti- 

 ma sub lapidibus Europae, insulae Maderae, etc. 



1. Craspedopoma lucidnm, Lowe 



Testa rimata, globoso-conoidea s. snbturbinata, obesiuscula, nitens, soli- 

 dula, olivaceo-cornea v. luteola; spira abbreviata, ápice acutiuscula; sutura im- 

 pressa; anCractus 4'/2-3 convexi, tumidiusculi, striati, striis creberiirais, spi- 

 ralibus, transversis, ullimus praeccdenti valde major, ventricosus, ecarinatus v. 

 interdum subangulato-carinatus, antice subsolutus, rimam angustissimam, sub- 

 arcuatam formans; apertura cireulaiis, spiram subaequaiis; peristoma continnum, 

 simplex, obtusum, operculi prominentiam internam excipiens; operculum rubru- 

 castaneum. — Animal pigrura, valde timidum, corpore magno, luleo-albido v. 

 pallido-fuscescente, pellucido, dorso fusco, lateraliler lineis duabus longitudina- 

 libus, antice connivenlibus notato, collo albo, postice intense rubro, fronte rubro- 

 maculato, luteo, fasciis angustis, nigris transverse ornato, rostro longo, crasso, 

 médio sulcato, centrali lóbulo nigro-lineato, lateralibus nigro-mamillatis, tenta- 

 culis longis, lauceolatis, basi iiicrassatis, ápice acutiusculis, maculis parvis, ni- 

 gro-marmoratis, oculis nigris. pallida área cinctis, tentaculorum basin extia tu- 

 bérculo innixis, pede intense luteo v. griseo, postice in caudam longam, acutam, 

 operculum, rubro-castaneum v. purpureum ferenie, terminato. 



Diam. maj. 5 '/a, min. 3V2, alt. 5 '/a mill. 



Cyclostoma lucidum, Low. Prim. (fig. óptima) 

 Craspedopoma » Pfeif. Mon. Pncum. 



» » Alb. Mal. Mad. (lig. bona) 



D » Low. Cat. inoll. Mad.; Ann. and. Mag. ofiNat. Ilist. ang. 



1800 



