226 



GALLING. 



Family TETRAONIDJE. (Bonaparte.) 



Genus Pterocles. ( ' Temminch. J 



SAND GEO USE. 



Pterocles arenarius. 



Pterocles arenarius, Temminck. 



Tetrao arenarius, Pallas. 



Perdix Aragonica, Latham. 



JEnas arenarius, Vieillot. 



Ganga unibande, Of the French. 



Eingel-Jtughuhn, Of the Germans. 



Ganga, Savi. 



Specific Characters. — Only one band across the thorax; abdomen 

 black. Tail wedge-shaped, and without any elongation of the 

 middle feathers. Length of male thirteen inches; carpus to tip 

 nine inches; beak eight lines; tarsus one inch and a quarter. 



The Sand Grouse inhabits trie south of Europe, 

 more especially Spain. It occurs also in Sicily, and 

 occasionally in Italy and Germany; more rarely still 

 in New Russia and the Caucasus. It is found only 

 accidentally and as a straggler in Greece. Like the 

 preceding species it is a bird of the desert, and is at 

 home in the sandy plains of Northern Africa and 

 Eastern Asia. In the Eastern Atlas Mr. Salvin tells 

 us it occurs in the same localities as P. alchata, but 



