UNIVERSITY 



MANUAL OF CONCHOLOGY. 



; FAMILY HELICID^E, Vol. II. 



Genus HELIX, Linn. 



Group VII, HELICELLA. 



Section II, XEROPHILA. 

 (Continued from Vol. Ill, p. 169.) 

 Subsection V. CANDIDULA, Kobelt. 1871. 



Conoidally depressed, periphery rounded. H. CANDIDULA, Stu- 

 -der. European, Asiatic. 



It is Helicopsis, Fitz. in part. 



Subsection VI. LEMNISCIA, Lowe. 1854. 



Subimperforate, trochoidal or globosely conoidal, periphery cari- 

 nate; whorls 6-7, planate; peristome acute, reflected and thick- 

 ened towards the axfe H. MICHAUDI, Desh. Madeira, H. MONI- 

 LIFERA, Webb and Berth. Canary Is. 



Monilearia, Mousson, 1872, is a synonym. 



Subsection VII. XEROLEUCA, Kobelt. 1877. 



Sublenticular, granosely striate, periphery laciniately carinated, 

 umbilicus wide, funnel-shaped, bordered by a carina. H. TURCICA, 

 Chemn. Northern Africa. 



Subsection VIII. TURRICULA, Beck. 1837. 



Conical, umbilicated or perforate, costulate-striate, cretaceous 

 white, often fasciate, periphery angulated or carinated ; peristome 

 labiate within. H. PYRAMIDATA, Drap. Mediterranean Region. 



Obelus, Hartmann, Irus, Ads., Trochula, Morch, and Crenea t 

 Albers (in part), are synonyms. 



l^ubsection IX. COCHLICELLA, Risso. 1826. 



Bulimiform, narrowly perforate, whitish, fasciate, periphery sub- 

 angulate ; peristome simple, acute, margins converging. H. ACUTA, 

 Muller. Mediterranean Region. 



Elisma, Leach, is a synonym. 



