2 74 TAYLOR : GUERNSEY AND SARK MOLLUSCA. 



2. Var. libellula (00305) diam. i8j^ mill., alt. 13^ mill. 



The third band in this specimen is unusually broad, 

 the fifth is very finely linear. The outer lip is distinctly 

 bimarginate. 



3. Var. libellula (12345). The bands, though entirely 



coalesced near the aperture, are to some extent 

 separate on the earlier whorls, the lip is not completed, 

 but seems to indicate that it will partake of the 

 character of var. biniarginata Picard. This specimen 

 is the most conoid, diam. 18 mill., alt. 15/^ mill. 



4. Var. rubella 00(34)0. Alt. 16 mill , breadth 18^ rhill. 



Lip bimarginate. 



5. Var. rubella 00300. The dark band enclosed within 



pale zone; aperture bimarginate. Breadth 18^ mill., 

 alt. 14^ mill. 



6. Var. rubella 00300. Diam 21 mill. alt. 16 mill. 



Helix concinna Jeff. — These specimens are possibly not 

 perfectly mature, the rib at the ^aperture being only slightly 

 shown. They are 8 mill, in diam. by 4^ in alt., and of a 

 horn colour. 



Helix hispida L.- — These specimens are smaller than usual, 

 having a diam. of 6^ mill, and an alt. of 4 mill. The 

 average size the species attains is 7^ mill, x 4^ mill. 

 The Guernsey specimens are comparatively sparingly 

 hirsute and faintly lineate at the periphery. 



H. hispida var. con lea Jeff. — This specimen is of about the 

 usual consistency of a reddish horn colour, and I think its 

 produced spire makes it properly referable to this variety. 

 The dimensions are : diam. 7 mill., alt. 5^ mill. ; aperture 

 alt. 3^ mill., diam. 3 mill. 



Helix revelata Mich. — This species varied but little in size ; 

 in the specimens sent the largest was 6^ mill, broad by 

 3^ mill, high, the smallest was 5)^ mill, x 3 mill., none 

 reaching the normal size — 7 mill, x 4^ mill. 



I.e., iv., Jan., 1885. 



