HELIX. 21 



DiAM. maj. 12, min. 11 ; alt. 7 mill. 

 Hah. In Insulis panis " Long Keys," sinu dicto 

 " Sarazota " Florida Austr. (Rugel.) 



Obs. Specimina numerosissima examinaxi, Proxime 

 H. am-iculatge aiSnis, sed textura, colore, ac apertura 

 minus coarctata, peristomateque minus producto satis 

 distincta. H. Ai-iadne Pfr. m Cliemn. ed. 2, tab. 65, 

 f. 29—31, etiam aiEuis, at differt figura testte tantum 

 rimata sine vestigio perforationis. Nomen specificum 

 ab apicula lamellae marginis dextri peristomatis, uvulas 

 humante baud dissimili, assumptum, sed cbai-acter hie in 

 omnibus speciebus affinibus plus minusve obvius est. 



The preceding six species were described ia a series 

 of pamphlets, entitled " Diagnosen neuer Mollusken." 

 These are found in No. 2. 



HELIX BARBIGERA, Redfield. 



Testa imperforata, aeut6 carinata, lenticulari, teiiuiscula, corneo- 

 fusca, epidermide superne striis asperata, qua; ad suhiram et eari- 

 nam in ciliis products sunt ; basi convesa ; spira convexiuscula ; 

 anfractibus 5i, subplanis, ultimo siibito paidulum deflexo ; aper- 

 tura perobliqua, transversa, auriformi, dente modico linguiformi 

 oblique iutrante in toto pariete aperturali coarctata ; peristomate 

 calloso, marginibus incrassatis et reflesJusculis, basali subsinuato, 

 integro. 



Shell imperforate, sharply carinate, rather tliiu, dark 

 horn-colored or brown; the upper surface has the epi- 



