HELIX-HELICELLA. 177 



This species, which was collected years ago by Dr. E. R. Beadle, 

 is more allied to H. erkelii Kobelt than to any other form known to 

 me. The bands have the same purple-brown color, overlaid by a 

 whitish film, which is seen in some banded forms of erkelii, such as 

 that figured in Rossm. Icon, iv, pi. 152, fig. 1542. It further agrees 

 with Kobelt's species in the papillar apex, the rather distinctly 

 striated inner whorls, and the somewhat flattened aspect of the base ; 

 but in H. beadlei the striation is stronger and does not disappear on 

 the body- whorl, the spire is higher, and the umbilicus is notably 

 narrower. Many specimens of H. erkelii were collected by Dr. 

 Beadle. In the main they agree with Kobelt's figures and descrip- 

 tion better than with any other form, but they offer differences which 

 are probably at least varietal. 



H. ERKELII Kob. var. DISCREPANS Pils. PL 46, figs. 58, 59. 



Shell depressed, more narrowly umbilicated than the type, very 

 solid, unicolored white, or having a broad purple-brown band above,, 

 and a variable number of narrow ones below. Apical whorl smooth, 

 papillar ; the following whorls of the spire distinctly striated, body- 

 whorl smooth. Aperture rounded-lunate, the width and alt. about 

 equal ; interior white or cream-white, without internal lip or callus j 

 peristome simple, blunt. Alt. 14, diam. 22 mill. 



Desert of Sinai (Beadle !) 



H. CANINA Ancey. PL 44, fig. 73. 



Shell conoid-depressed, openly umbilicated, the umbilicus dilated 

 below, moderate, not equaling a fourth the diameter of the shell ; 

 rather solid, slightly shining, obsoletely and rather irregularly 

 striated, straw-buff, surrounded with numerous varying, narrow, very 

 frequently interrupted brown lines. Spire depressed-conoid, apex 

 rather minute, obtuse, corneous, smooth. Whorls 5f to 6, regularly 

 and quite slowly increasing, convex, the suture impressed ; last whorl 

 at its beginning a trifle angulated, becoming well rounded, convex 

 below, more or less deflexed in front. Aperture oblique, scarcely 

 labiate, narrowly lunate, transversely suboblong; outer margin 

 slopingly descending above, basal margin rounded, columellar mar- 

 gin thicker, (not marginated), slightly more expanded. 



Alt. 7, greater diam. 9 J, lesser 8 mill. (Ancey.} 



.Liban, in the region of Nahr-el-Kelb- 



Helix canina ANCEY, Le Naturaliste, 1888, p. 188, fig. 

 12 



