SAND GROUSE. 135 



GALLING. 



Fajnihj TETRAONID^. f Bonaparte.) 



Genus Pterocles. f Temminck.J 



SAND GROUSE. 



Pterocles arenarius. 



Pterocles arejiaritis, Temminck. Gray; H.^L., 9457. 



Tetrao arenarius, Pallas. 



Perdix ai'agonica, Latham. 



JEnas arenarius, Vieillot. 



Ganga unihande. Of the French. 



Ringel-flughuh7i, 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 the 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 pre- 

 ceding 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. alcJiata, but 

 is also found about Djendeli and Madracen, where that bird is not 

 found. Canon Tristram says that though less abundant than alchata 

 P. arenarius occurs universally throughout the Sahara, excepting 

 in the extreme south, where it is replaced by P. senegalus. Dr. 

 Leith Adams informs me that it occurs plentifully in Persia, Afghan- 



