AGARDHIA. 153 



7. Agardhia bielzi (Rossm.). PL 16, figs. 12, 13, 14. 



Shell rimate-perforate, cylindric, apex obtusely rounded, 

 corneous-buff, very finely striate-costulate, rather glossy. Nine 

 very slowly increasing whorls, a little convex, the last a little 

 wider, slightly compressed basally. Aperture oblong-semi- 

 ovate, subvertical, 5-toothed : one strong lauielliform tooth on 

 the parietal wall, three in the palate (the middle one elon- 

 gated fold-like), one on the columella. Peristome reflected, 

 thin, very weakly thickened within and colored liver-brown ; 

 margins subparallel, straightened, the outer curving inward 

 above and then somewhat impressed. Length 5%, diam. 2 

 mm. (Rossm.). 



Length 5, diam. 1.9 mm.; 8*4 whorls. Rodna Mts. Figs. 

 13, 14. 



Length 5, diam. 1.6 mm. ; 10 whorls. Brosteni, Moldavia. 



Length 5.4, diam. 1.7 mm. ; 8y 2 whorls. Brosteni, Moldavia. 

 Fig. 12. 



Length 4.55, diam. 1.8 mm. ; 8 whorls. Rodna ; var. euodon. 

 Figs. 15, 16. 



Transylvania: the village Nagy Falu, near Bethlen (Bielz, 

 type loc.) ; from the Rodna over the Gyergyo and Hargita 

 Mts. to the Barot Mts. at Bad Keroly (Kimakowicz) ; Bros- 

 teni in the Moldavian Carpathians (A. Montandon). Also 

 northward to the Galician Tatra (var. euodon). 



Pupa bielzi Rossmaessler, Iconographie Land u. Siiss- 

 wasser-Mollusken Europa's, iii, 1859, p. 109, pi. 85, f. 942. — 

 Sphy radium bielzi Rm., Clessin, Fauna Oesterreich-Ungarns, 

 p. 245, f. 146. — Coryna bielzi Rm. Kimakowicz, Verh. u. 

 Mittheil. Siebenb. Ver. Nat. Hermannstadt, xl, 1890, p. 101. — 

 P. biplicata Mich. Bielz, Vorarbeiten zu einer Fauna der 

 Land- und Siisswasser-Mollusken Siebenbergens, in Verh. u. 

 Mitth. siebenbiirgischen Vereins fur Naturwiss. zu Hermann- 

 stadt, xii, 1861, p. 51, and Fauna, 2te Aufl., 1867, p. 96 

 (northern Transsylvania at Czaki-Gorbo, Apa-Nagyfalu near 

 Bethlen, Rodna, Gorgeny-Szent-Imre, Gyergyo-Toplitza, Bors- 

 zek, Balanbanya and Bad Keroly ; under bark of old trunks 

 and fallen leaves and wood on the ground). 



A. bielzi lacks the distinct tooth in the outer lip which 

 characterizes A. biplicata and its allies, in this respect stand- 



