Land & Fresh- water Mollusea 



from the Upper Nile (Shendy— Fashoda) 



by 



Richard Hagg 



of Upsala. 



The Mollusea which are here treated of were collected by 

 the Swedish Zoological Expedition on the shores of the Nile bet- 

 ween Shendy and Fashoda in the months of Febr. — May 1901. 



1. Vivipara unicolor (Olivier). 



Alt. 8 mm. Lat. 7,2 mm. 



Hab. G-ebel Ahmed Agha (White Nile). On water-plants. 

 The shell has two tortile edges on the last whorl, as states 

 Jickeli is the case in the young specimens of this species ( = 

 Paludina biangulata Kuster). One living specimen (young). 

 Geographical distribution: 



Lower Egypt (ace. 1 to Olivier [99], Ehrenberg and Hemprich 2 

 [32], Roth [115], Dietrich ace. to Merian [90] 3 , Liebetrut ace. to 

 Jickeli [54], R. Hartmann ace. to v. Martens [70], Jickeli [54]). 

 The Upper Nile (Klot-Bey ace. to v. Martens [70]). Dongola and 

 Loii-er Nubia (Caillaud [16]). Kordofan (Kotschy ace. to Jickeli 



1 "According to" in such a connexion means to say that the author 

 in question has published the find, nothing being said concerning the collector 



of the same. 



2 By this we want to say that E. and H. have collected the species 

 and [Mil dished the discovery. 



3 In such a connexion, the first name designates the collector, the se- 

 cond one the author. 



J&gerskiold: Expedition. 7. (11) 1 



