78 



aoutiusculo ; sutura impressa ; anfr. 6 convexiuscnli , lente 

 accrescentes, ultimus non descendens , subacute carinalus, 

 subtus convexior, apertura parum obliqua, subangulato- 

 lunaris; perist. simplex, rectum, acutum. — Diam. maj. 5, 

 alt. 4 mill. 



Habitat Mirador, Veracruz reipublicae raexicanae 

 (Berendt). 



3. (lila.) Helix ampla Pfr. 



T. perforata, subconoideo-globosa, solidula, irregulariter 

 striata, pallide Cornea; spira conoidea, vertice obtusulo ; 

 sutura impressa, subcrenata ; anfr. 5 convexiusculi, ultimus 

 magnus, inflatus, antice descendens ; apertura parum obliqua, 

 ampla, rotundato-lunaris, intus submargaritacea ; perlst, 

 simplex, rectum, marginibus convergentibus, dextro perar- 

 cuato, columellari breviter fornicatim reflexo. — Diam. maj. 

 12, min. IOV2, filt. 9 mill. 



Habitat Mirador, Veracruz reipublicae mexicanae 

 (Berendt). 



4. (269 a.) Helix effusa Pfr. 



T. perforata, depressa, tenuiuscula, conferfe striata, 

 hyalino-albida; spira parum elata, vertice minuto; sutura 

 impressa, submarginata; anfr. 6 lente accrescentes, con- 

 vexiusculi, ultimus non descendens, basi inflatus, laevior; 

 apertura subverticalis, irregulariter lunaris, ad basin colu- 

 mellae effusa; perist. simplex, rectum, margine columellari 

 breviter reflexo, subverticali , angulatim cum basali juncto. 

 — Diam. maj. (spec, max.) ll*/2> '^^"^- 1^» '^^^' ^'/a "^^i^^- 



Habitat in monte Piaton insulae Haiti (Smith). 

 5. (280 a.) Helix incisa Pfr/-^) 



T. vix subperforata , depressa, subdiscoidea, tenuius- 

 cula, nitida, virenti-cornea ; spira vix elevata, vertice minxilo ; 

 sutura impressa; anfr. 4^4 planiusculi, celeriter accrescentc-, 



*) Helix incisa Chemn. est Teuagodi species teste Mörcb in 

 Proc. Zoo]. Soc. Lond. 1860. p. 401. 4^'8, 



