106 



Scotland (Fleming), Ireland (Brown), Isle of Man 

 (Forbes). 



Abroad, it is found in France (Draparnaud), through- 

 out Europe and in the north of Africa (Forbes). 



Pupa pyoMCEA [The Py^my Chr^'salis Shell]. 

 Figure 77. 



77. 



This shell is better known as the Vertigo pygmoea of 

 Ferussac, Turlon, Grey, Thompson, Brown, &c. It 

 was added to our British species by Mr. J. G. Jeffreys, 

 of Norton House, Swansea, in the year 1829, and 

 described b} that conchologist in the "Transactions" 

 of the Linnean Society. 



It is dextral, almost smooth, |)olished, has five convo- 

 lutions, the mouth somewhat semi-oval, furnished with 

 four and often five teeth. The outer lip folded back- 

 wards ; colour, reddish-brown. The shell is nearly 

 egg-shaped. 



Exceedingly minute, not more than one line in 

 length. 



Animal, dark grey colour, 

 here is a variety called Pupa alpestris, which is 

 paler in colour, more shining, more elongated, and hav- 

 ing only four teeth, which are not so wide as in the 

 more permanent form of Pupa pygmoea. 



Found on barren hills, under stones, in stone walls, &c. 



Mr. Jeffreys has sent specimens from Swansea, Mr. 

 Alder others from Newcastle, and Mr. Gough others 



