North AmeriGan Hellcidw. 63 



Helix Mviiliicra Shaattle worth. 



Synonymy. 



Ilelix uvuUfcra Slmttleworth Bern. Mittheil., p. 199, August. 1852 

 " " Diag. n. Moll., No. 2, p. 19. 



" fiorulifcra Reeve ConcL. Icon., No. G99, p. 119. 1852 



" uvulifera Chemn. Ed. 11. Helix, No. 979, t. 148, fig. 



19,20, fidcrtV. 

 " " W. G. Blnney Notes on Amer. Land Shells, 



Proc. Phila. Acad., p. 205. 1858 



Shuttlcworth thus describes this species : — 



" IIelix uvulifera. — T. riinato-perforata, superne planiuscula, subtus 

 inflata, striata,' cinereo-albida, solidula, nitidula ; anfr. 5, lente acci'es- 

 ccntes, angusti, ultimus ad aperturam subito deflexus, subtus devius, 

 scrobiculato-constrictus ; apertura valde obliqua, auriformis, ringens, 

 valde coarctata ; peiist. acutum, reflexo-patulum, marginibus plica lingui- 

 foruii oblonga medio excavata profunda intrante junctis, dextro lamella 

 profunda immersa in apicula filifonni reflexa desincnte, basali tuberculo 

 dentiformi obliquo et sinuoso instructo. 



"Diam. raaj. 12, min. 11, Alt. 7 mill. 



^^ ITab. — In insulis parvis ' Long Keys' sinu dicto ' Sarazota,' Florida 

 Austr. (Rugel). 



" Obs. — Speciraina numerosissima cxaminavi. Proximo II. auricu- 

 latre affinis, sed textura, colore, ac apertura minus coarctata, peristo- 

 mateque minus producto satis distincta. II. Ariadnas Pfr. in Cbemn., 

 ed. 2, tab. 65, f. 29-31, etiam affinis, at ditfert figura testa tantum 

 rimata sine vestigio perforationis. Nomen specificum ab apicula lamella 

 marginis dextri peristomatis, L^vulfc Ilumanie baud dissimili, assumptum. 

 Sed character hie in omnibus speciebus affinibus plus minusve obvius est." 



The annexed figure III. of the aperture of II. uvulifera 

 Shuttl., twice the natural size, is from a specimen fig. III. 

 received direct from the author of the species. 



H. uvulifera maybe distinguished from II. auri- 

 culata by the cliaracter of tlie labrum, which is ™, 

 equally produced from tlie superior angle of the ^ 



, , ,.,.,, ^. -I 1/ uiuU'ira bhuttl. 



parietal process, to tiie base oi the interior tooth 



