GRANOPUPA. 77 



they are covered with snow and ice it does not seek refuge 

 by burrowing or under stones. It is capable of fasting an 

 entire year. 



Two forms are named: orthostoma (PL 18, fig. 5), and 

 plagiostoma (PL 18, fig. 6). These are merely individual 

 variations in the inclination of the axis of the aperture to 

 that of the shell. 



Piersanti, from whose paper the above is taken, considers 

 A. V. sillarensis a recent immigrant, as it was not mentioned 

 by Tassinari, who collected in the Sillaro valley. It is con- 

 sidered the furthest outpost of one of the two streams of 

 migration of variabilis into Italy. 



Abida pyrenaeablv (Mich.). Vol. 27, p. 277. 



Ninth line from bottom, in place of " pi. 24, figs. 7, 8, 9 " 

 read pi. 24, fig. 10. 



Fourth line from bottom, in place of " pi. 24, fig. 10 " 

 read pi. 24, figs. 7, 8, 9. 



On p. 328, lines 15-17 from bottom: the names P. saxicola 

 M.T. and P. clausilioides Boub. were transposed. 



Abida frumentum gigantea (Schroeder). Vol. 24, p. 303. 



Light horn-colored, the whorls, especially the middle ones, 

 very finely and obliquely striate transversely. 15-17 mm. 

 long, 4-5 mm. thick, with 12-13 whorls. {Schroeder) . 



Italy: Salo in Monte S. Bartolomeo, Lake Garda, also at 

 Gargnano. 



Pupa {Torqiiilla Stud.) frumentum Drap., var. gigantea 

 Schroeder, Beitrage zur Konchylienkunde von Tirol und 

 italienischen Grenzgebieten, 1910, p. 40. 



The name is preoccupied by Moquin-Tandon, see Vol. 25, p. 

 32 ; but Schroeder 's form need not be renamed until its status 

 can be investigated anew. 



GRANOPUPA (Vol. 24, p. 332). 

 Granopupa marmouchana (PaUary). PL 18, fig. 4. 



Shell elongate, conic, of a deep brown tint, provided with 

 an umbilical crevice. Spire acuminate, tapering, terminating 



