160 'Records nf fJic Indian JHuscum. [Vol. XV, 



however, retain a certain transliicency ; those of the Melania have 

 often vestiges of epidermis, while those of Neritina retain their colour 

 to some extent. Those of the Melanopsis are particularly white and 

 chalky. 



The shells from the swamp deposit in the same neighbourhood, 

 separated from the Euphrates by a narrow stretch of flat land and the 

 remains of an old embankment, belong to the following species : — 



Ga,stropoda. Pelecypoda. 



Neritina jordani Unio sp. 



Bithynia badiella 



Melania tuberculata 



Melanopsis nodosa 



Limnaea tenera 



Limnaea sp. 



Bullinus contortus 



Except the Unio, all the specimens of which are white, broken and 

 crumbling, the shells are in much the same condition as those from 

 recently inundated land. 



The collection from the lacustrine deposit at Nasariyeh, to which 

 Colonel Lane paid particular attention, includes specimens of the fol- 

 lowing : — 



Gastropoda. Pelecypoda. 



■ Neritina jordani Unio sp. 



Bithynia badiella Corbicula fluminalis 



Bithinella palmyrae Corbicula cor 



Melania tuber ciilata, Corbula {Erodona) mesopofa- 



Melanopsis subtingitana, mica, sp. nov. 



Nevill, Ms. 

 Melanopsis nodosa 

 P of amides fluviatilis 

 Limnaea per egr if or mis 

 Limnaea suhpersica 

 Limnaea sp. 

 Planorbis convexiusculus 

 Bullinus contortus 



There is also a single shell of the barnacle Balanus ampTiitrite, and 

 many tests of Ostracod Crustacea. 



The collection of freshwater shells from Samara is a small one ; only 

 the following species are included : — 



Gastropoda. Pelecypoda. 



Melanopsis nodosa Corbicula fluminalis 



Limnaea sp. Unio dignatus var. semi- 



Bullinus contortus ramidis 



Unio mossulensis 



