MOLLUSCAN INVESTIGATION IN ABERDEENSHIRE NORTH 135 



Hyalinia radiatula. Scarce, amongst moss on golf-links north of 

 River Ugie. 



Hyalinia crystallina. Amongst moss on sandhills from River Ugie 

 to Rattray Head, but living examples not common. 



Hyalinia fulva. Amongst Great Hairy Woodrush, Cruden Bay to 

 Old Castle of Slains scarce. 



Pyramidula rotundata. Very common in several places between 

 Cruden Bay and the Old Castle of Slains. 



Helix hortensis. Common, but for the greater part immature, in 

 several places along with H. arbustorum, on tops and slopes 

 of cliffs from Cruden Bay to Old Castle of Slains, the colour- 

 forms being lutca and olivacea, and the band-formulae includ- 

 ing 12345, (i2)(345), (i23)(45), and 123(45). Not common 

 and mostly immature, on the coast between New Castle of 

 Slains and Boddam, only the typical {oxn\ = lutea 12345, 

 being seen here. Abundant on the golf-links north of River 

 Ugie, and scarce on St Fergus Links near Rattray Head ; 

 in these localities the most prevalent band-formula was 

 123(45), the others noted being 12345, 10345, and 1(23) (45) 



Heliclgoua arbustorum. Abundant but nearly always immature, 

 with a few odd examples of vax.fusca, on the tops and slopes 

 of cliffs from Cruden Bay to Old Castle of Slains. Similarly 

 common, with preponderance of immature examples and 

 several of var. fusca, also immature, on the cliff-tops and 

 slopes from the New Castle of Slains to Boddam. 



Vallonia pulchella. Amongst moss, etc., on the golf-links north of 

 River Ugie, but living specimens scarce. 



Pupa cyliudracea. Common on ledges of cliffs and under stones 

 from Cruden Bay to Old Castle of Slains ; also common 

 under stones and amongst vegetation on cliffs between Slains 

 New Castle and Boddam ; and in abundance amongst moss 

 on the sandhills from River Ugie to Rattray Head. 



Sphyradium edenlulum. Scarce, amongst Great Hairy Woodrush 

 from Slains New Castle to Boddam. 



Balea perversa. Scarce, amongst ruins of fishermen's cottages 

 near Old Slains Castle. 



Clausilia bidentata. Common on cliff-ledges and under stones, 

 Cruden Bay to Old Castle of Slains. 



