256 HELIX. 



H. JAUBERTI Bourg. Syria. 



H. EDROEA Bourg. Syria. 



H. YLEOBIA Bourg. (=: lucorum Miill.) Tricarico. 



H. VIRAGO Bourg. (= lucorum Miill.) Italy. 



H. RYPARA Bourg. Northern Italy. 



H. NIGROZONATA Bourg. Northern Italy. 



H. ATROCINCTA Bourg. Northern Italy. 



The following are from "Species Noviss. Moll, in Eur. Syst. detectce" 

 etc., J. R. Bourguignat, 1876. 



H. SCHAHBULAKENSIS Bourg. Armenia. 



H. STRAMIMFORMIS Bourg. Italy. 



H. EQUITUM Bourg. Rhodes. 



H. LUYNESIANA Bourg. Syria. 



H. DICHROMOLENA Bourg. Italy 



H. INTERAMNENSIS Bourg. Italy. 



H. GIULI^: Bourg. Malta. 



H. MELANONIXIA Bourg. Mascara, Algiers. 



The following names are from Arnould Locard's "Cat. gen. des 

 Moll Viv. de France," 1882. 



H. KORJEG^ELIA Bourg. 



Provence, Italy, Corsica, Asia Minor, Greece, etc. 



H. PROM.ECA Bourg. France, Tyrol, etc. 



H. PACHYPLEURA Bourg. Grasse, France. 

 H. UTICENSIS Letourneux et Bourguignat, Prod. Mai. Tunisie, 1887, 



(= melanostoma). Tunis. 



APPENDIX. 



RHAGADA. 





On account of the position assigned this group by Pfeiffer, with 

 Tachea, Eremina, etc., the species were illustrated on pi. 36 of this 

 volume. Further study has convinced me that they group with an 

 entirely different stock ; and I shall therefore treat of them in a fu- 

 ture volume of the MANUAL. 



XEROLEUCA. 

 P. 22, after H. mogadorensis Bourg., should follow. 



H. CYCLOSTREMOIDES Sowerby, 1888. PL 68, figs. 22, 23. 



Widely, perspectively umbilicate, depressed, soiled white, curruga- 

 ted ; spire concavo-depressed ; whorls 5, rapidly increasing, first two 

 smooth, brownish, the following concave, margined with an elevated 



