gude: on helicella {candidula) mayeei, n.sp. 167 



elevated, apes blunt, suture deep. Whorls 5, rather tumid, evenly 

 rounded, increasing slowly and regularly ; aperture slightly oblique, 

 nearly semicircular, margins acute, straight, columellar margin 



Magnified about 4 times. 



dilated and slightly overhanging the moderate, deep umbilicus. Diam. 

 maj. 6'5, miu. 5"75 mm. ; alt. 4'7.5 mm. 



Hah. — Millicent, South Australia (? introduced). 



Type in the Adelaide Museum. Co-types in the British Museum. 



