Tin: THREE TOKD SAND (iROL-SK. ^ 



spotted, a set of pale purplisli marks beneath the surface of the 

 shell underlying the brown surface spots. 



All the Sand-Grouse are birds with immense powers of 



Fig. 4. — Sternum of 7^. aicnafits. 



flight, able to traverse gieat distances in a remarkably short 

 space of time. 



The majority of the spccles are migratory, some of ihem 

 wandering thousands of miles. 



THE SAND-GROUSE. FAMILY PTEROCLID.E. 



THE TIIKEE-TOED SAND-CxROUSE. GENUS SYRRHAPTES. 

 Syrrhaptes^ Illiger, Prodr. p. 243 (181 1). 

 Type, 6". paradoxus (Pall.). 

 This genus is distinguished from the rest of the Sand- 

 Grouse by the want of the hind toe. The other toes, as well 

 as the feet, are entirely covered with feathers. 



I. PALL.\S' THREE-TOED SAND-GROUSE. SVRRHAPTES 

 PARADOXUS. 



Tetrao paradoxa^ Pall. Reis. Russ. Reichs. ii. p. 712, pi. F. 



(^773). 



B 2 



