3l8 MILNE AND OLDHAM : MOLLTISCA OF BOWDON DISTRICT. 



H, crystallina. Fairly common, especially in the Bollin 

 valley at Cotterill Clough, Butt's Clough, Ashley Mill, and 

 Bollington ; also at Ashley Hall, Dunham, Wythenshawe, 

 Sale, Baguley Hall, and Gatley (T. S.). 



H. fulva. Found, though not iu great numbers, at several 

 places — Ashley Mill, Castle Mill, Butt's Clough, Hale, 

 Dunham, Rostherne, Sale, Millington, Wythenshawe, Bol- 

 lington, Gatley (T. S.). 



H. nitida. Very local — -at Millington, Sinderland, and Gatley 

 (R. S.). 



H. excavata. Not uncommon — at Ashley, Hale, Rostherne, 

 Dunham, Sinderland, Sale, Wythenshawe, and Northenderu 



H. excavata var. vitrina occurs, not associated with the 

 type, in Butt's Clough and at Rostherne. 



Helix rotundata. Universally distributed throughout the 

 district. 



H. pygmaea. Found, in fair numbers, among dead leaves at 

 Butt's Clough and Ashley Hall ; also near Castle Mill ; 

 and at Knutsford (T. R.). 



H. aculeata. Taken in great plenty at Butt's Clough, one or 

 two at Ashley Hall. 



H. pulchella. Two specimens taken near Hale Moss ; dead 

 shells in flood refuse in Bollington meadows (which must 

 have come from the meadows). 



H. aspersa. "About the garden fences at Dunham, but not 

 common " (Dyson) ; " About Bowdon and Dunham, plenti- 

 ful" (Hardy). Though perhaps introduced to this locality, it 

 still flourishes greatly, more especially in the older gardens. 



H. nemorafis. " In the neighbourhood of Jackson's boat, on 

 theCheshiresideoftheriver,upon nearly every hedge-backing 

 as far as Baguley and down to the river Boiling " (Dyson). 

 This species seems to be steadily dying out in this district, 

 as everywhere round Manchester. It has been extermin- 

 ated by buildings in Bowdon, the last loca,lity being 



J.C, vol. vii., Jan. 1S94. 



