EXPLANATION OF PLATE XIV. 
Limnaea peregra canalifera, Mousson. 
Fic. 1.—Shell from Khandag Creek near Basra. Actual height 
22 mm. 
2.—Young shell from the same locality. Actual height 
7°5 mim. 
Limnaea bactriana, Hutton. 
Fic. 3.—Shell from Khandag Creek near Basra. Actual height 
8 mm. 
Limnaea hordeum, Mousson. 
Fic. 4.—Adult shell (? subfossil) from the Gaud-i-Zirreh in the 
Afghan Baluch desert. Actual height 7 mm. 
5.—Young shell (? subfossil) from the banks of the Euphrates 
at Nasariyeh, Mesopotamia. Actual height 4°5 mm. 
