CLASSES, ORDERS, ETC. QI 



(d) Shell fusiform, large, yellowish-brown, glossy; whorls 

 twelve ; mouth oval, pear-shaped, with two very strong plaits on 

 the base of the penultimate whorl, and two or three labial plaits 

 which are distinctly visible through the shell; umbilicus small; 

 basal crest slight ; clausilium with a notch on the margin near its 



Fig. 34. Clausilia biplicata. 



base. Height JJths inch. On beech and ash trees. Moderately 

 distributed, but local. C. laminata 



29. Azeca. Shell cylindrical, glossy horn-coloured ; whorls 

 seven ; aperture small, contractedly ear-shaped and toothed within. 



(a) Shell fusiform, pale yellowish-brown, glossy; whorls 

 seven ; spire produced, blunt ; suture shallow ; mouth pear- 

 shaped, with three or more plications. Length ^tf 15 ' nc ^- 

 Among moss and decaying leaves. Moderately common, but 

 local. ' A. tridens^ 



30. Cochlicopa. Shell glossy, oblong, cylindrical ; whorls five 

 and a-half ; aperture small, lip simple. 



(a) Shell oblong, not so ventricose as A. tridens, yellowish-brown 

 or greenish-white, glossy; whorls five to five and a-half; suture 

 rather deep ; mouth oval, without plaits. Height /-gths inch. 

 Among moss and decaying leaves. Common. C. lubrica^ 



90 v, albinos, entirely white ; v. pellucida, thinner, more transparent, very 

 glossy. 



91 v. crystallina. greenish-white, transparent, glossy. 



92 v. hyalina, greenish-white ; v. fusca, more or less a deep brown colour ; 

 v. lubricoides, smaller, more slender ; v. viridula, shaped like v. lubricoides, but 

 greenish- white ; v. ovata, smaller, oval, spire shorter. 



