HELIX. 229 



H. TRYONI. Newcomb. PL 54, fig. 87. 



Narrowly umbilicated, solid, thick, with incremental and spiral 

 striae, violet-ash color above, yellowish white or brownish white 

 below ; whorls 6, the last descending ; peristome scarcely expanded, 

 callous within, columella callous, obsoletely unidentate. 



Diam. 1 in. 



Sta. Barbara, and San Nicolas Is. California. 



Unftgured species of Euparypha. 



H. MENTONENSIS, Sidebotham. (Between H. Pisana and H. vir- 



gata.) Mentone. 



H. NAUDIERI, Bourg. France. 



H. EUSAKCA, Ancey. So. Italy. 



H. EUSARCOM^EA, Ancey. Minorca. 



H. AMBUSTA, Ancey. Algiers. 



H. PISANELLA, Mabille. Canary Is. 



H. ANTONTANA, Rochebrune. St. Antoine, France. 



H. OERTZENI, H. HIERAPETRANA, Maltzan. Crete. 



H. DOUMETI, H. STEREOLENA, H. AciSANA, Bourg. Tunis. 



H. OCCONELLA, H. CLOSSURA, H. ELITHIA, H. ARBANA, H. IONS- 

 TOMA, H. IANTHINOSTOMA, H. AMETHYSTA, H. DjERBANICA, 



H. ZITANENSIS, H. SALEMENSIS, H. GERGISENSIS, H. CARPIEN- 

 sis, H. HAMADANICA, H. ENICA, and H, IDIA, Letourn. et 

 Bourg. Tunis. 



H. CHAMBARDI, Letourn. Italy, Istria, Egypt, Tunis. 



H. -SUBPISANA, Bourg. Tunis, Spain, Istria. 



H. LENOLEUCA, Bourg. Egypt, Syria. 



H. AGAROI, H. OLIVARESI, Servain. Spain. 



H. DERMOI, Servain. Spain, Morocco, Tunis. 



H, BYRS^E, H. RADESIANA, Mares. Tunis. 



H. LEVESQUEI, Berthier. Algiers, Tunis. 



H. COUTURIERI, Bourg. Algiers. 



H. THINOPHILA, Bourg. Egypt. 



H. J)O:NATII, Berthier. Italy, Spain, Tunis, Syria. 



H. CUTTATI, Bourg. Spain, Provence, Istria. 



H. MOUROI, Servain. Spain, Provence. 



H. PISANELLA, Servain. Spain, Provence, Algiers, Tuni*. 



Most of the above names appear to characterize individual rather 



than specific differences ; whether the minute subdivisions instituted 



by the "new French school" of Conchologists w r ill eventually win 



their way to general acceptance, is very doubtful. 



