150 AGARDHIA. 



Bief de Saint- Jeannet vallee de Cagne (Alpes-Maritim.es). 

 (Locard). 



Sphyradium locardi Bgt. in Locard, Prodr., 1882, without 

 description. Coryno, locardi Bourguignat, Locard, Les Coq. 

 Terr, de France, 1894, p. 325; Ann. Soc. d 'Agricult., Sci., 

 Ind. de Lyon, (7), iii, 1895, p. 213. — Coryna locardi C. Pollo- 

 nera, Caziot, Mem. Soc. Zool. France, xx, 1907, p. 467, fig. 8. 



Locard confused the lip-tooth with the palatal folds. His 

 description is otherwise inexact according to Pollonera (in 

 Caziot: Etude moll. terr. et fluv. Monaco, 1910, p. 336). 



This form was collected by Caziot and Pollonera in drift 

 debris of the Loup, a torrent flowing one kilometer west of 

 the Cagne. This specimen is longer than Locard 's type, and 

 is thus described by Pollonera : 



Shell cylindric, pale corneous, pellucid, very delicately stri- 

 atulate ; 9 whorls, the middle ones a little convex, the rest 

 flattened, the last somewhat compressed basally ; suture rather 

 deep. Aperture vertical, oblong, subangular at base; peri- 

 stome strong, reflexed, interrupted, the margins joined by a 

 very thin callus. Parietal lamella 1, strong; columellar 

 superior, transverse ; 4 palatal folds, the upper and lower 

 ones punctiform, deeply placed, the second and third lamelli- 

 form, immersed and not parallel. Alt. 4%, diam. iy.> mm. 



Caziot and Pollonera add that locardi differs from biplicata 

 by the slightly more convex middle whorls, the straighter 

 aperture with the lip-tooth situated higher, by the absence of 

 the very small upper parietal tubercle, and especially by the 

 two median palatal folds, which are shorter, less parallel to 

 one another, and do not approach so near to the margin of the 

 aperture. In a face view of biplicata these folds are readily 

 visible, but in locardi they are less apparent and quite notice- 

 ably deeper in the cavity of the aperture. 



This form is known by very few examples, and its standing 

 as a separate race appears dubious. 



5&. A. biplicata pollonera Flach. 



A form from Caramico in the Abruzzi is well distinguished 

 by having the parietal and columellar lamellae very strong, 

 emerging to the peristome, as well as by the very long palatal 



