118 NASSINtE. 



lineata, Pult. venusta, Dkr. 



nodulifera, Phil. Wilsoni, (J. B. Adams, 



Stimpsoniana, C. B. Adams. xanthostoma, Graij. 



Sturmii, Pkil. zonalisj Brii,g. 

 tiarula, Kien. 



Sub-gen. arculariAj Link (Eione, Brno). 



Body-whorl gibbose on the back; spire produced; callus ot 

 inner lip greatly extended and covering the spire. 



bellula, A. Adams. granifera, Kien. 



bimaculosa, A.Adams. Kraussiana, Bkr. 



callispira, A. Adams. labecula, A. Adams. 



callosa, A. Adams. leptospira, A. Adams. 



cancellata, A. Adams. nana, A. Adams. 



circumcincta, A. Adams. orbiculata, A. Adams, 



clathrata, Kien. Thersites, Brug. 



dorsuosa, A. Adams. verrucosa, Brug. 

 gibbosula, Linn. 



Sub-gen. nayxia, H. and A. Adams. 



Shell smooth ; aperture with a channel at the hind part con- 

 tinued up the spire. 



glabrata, Sow. grana, Lam. 



Sub-gen. alectrion, Montfort (Monoceros, Flem., not Lam.). 



Spire elevated, whorls glabrous, polished or papillary ; inner 

 lip spreading ; outer lip denticulate, not variced externally. 



elegans, Kien. scalaris, A. Adams. 



glans, Zinn. semi nodosa, 4. ^c?aws. 



hepatica, Pult. spirata, A. Adams. 



hirta, Kien. suturalis. Lam. 



laeta, Phil. Jacksouiana, Kien. 

 papillosa, Linn. 



