THK NAUTILUS. 17 



AshuntneUa pseudondonta subsp. capitanensis Ashmun & Cockerell. 

 Agrlolimax ashmuni Pils. & Van. 

 Pyramidula Cockerelli Pilsbry. 



DESCRIPTIONS OF NEW LAND SHELLS FROM SOUTH AMERICA. 



BY C. F. ANCEY, DRA-EL-MIZAN, ALGERIA. 



Conulus Coroicanus, Anc. 



Testa turbinata, globosa, tennis, pellucida, nitidissima, virenti- 

 cornea, obtecte et minute perforata. Spira abrupte coni'^a, elata, 

 apice parvo, vix obtusiusculo. Anfractus 6^6^ convexi, lente cres- 

 centes, sutura lineari subappressa discreti, lineolis increment! laevibus, 

 ultimus altus, tumidus, initio obtuse angulatus, angulo prope aper- 

 turam evanido, basi convexus. Apertura subobliqua, rotundato- 

 lunata, nmpla. Peristoma simplex, rectum, ad coluniellam minute 

 supra perforationem in trianguli forma dilatatum, marginibus remo- 

 tis. Diam. 6-61-7, alt. 5-|--5^ mill. 



Andes of Bolivia, east of Lake Titicaca, province of La Paz. 



A very fine translucent species, remarkable on account of its large 

 size, conic spire and tumid last whorl. It is provisionally referred 

 to Conulus, until the soft parts are examined. 



Stephanoda Iheringi, Anc. 



Testa orbicularis, depressa, aperte lateque umbilicata, umbilicus 

 circularis, tertio diametri vix minor, anfractus omnes prcebens, albes- 

 cens (subfossilis), tenuissime confertimque striata, striis parum obli- 

 quis, in ultimo suliflexuosis. Spira convexa, obtusissima, parum 

 elevata. Anfractus 4^, lente accrescentes, convexi, sutura impressa; 

 ultimus rotundatus, cylindricus, hand deflexus, proecedente vix am- 

 plior. Apertura lunata, costerum regulariter extus basique rutundata. 

 Peristoma simplex, hand expansum. Diain. H, alt. , alt. apert. vix 

 fmill. 



Rio Grande do Sul, Brazil. 



An insignificant minute shell, but not referable to any other of the 

 group. 



Stephanoda Latastei. Anc. 



Testa orbiciilata, depressa, haud nitens, late umbilicata, umbilicus 

 magnus, tertio diametri paulo latior, angulo obtuso cinctus, sordide 

 fulvida, castaneo flammulata, epidermide fusco. Spira anfractu pen- 

 ultimo vix prominente, medio distincte concava. Anfractus 5j lente 

 crescentes, sutura profunda, embryonales oculo undo loeves, sequentes 

 lamelloso-costulati et lineis tenuissimis spiralibus sub valida lente 

 impress!, intervallis microscopice sti'iatulis ; sculptura in anfractu 



