140 COLUMBIDJL--PTEROCLIDJE. 



Genus ECTOPISTES, Swainson, Zool. Journ. iii. p. 362 



(1827). 



Ectopistes = eKTOTri<rTr)s, the wanderer ; from efcroTri^w = I migrate. 



Ectopistes migratorius. PASSENGER PIGEON. 

 Columba migr at or i a, Linnaeus, S. N. i. p. 285 (1766). 



Ectopistes migratorius, Gray, p. 121 ; Yarr. ed. 2, ii. p. 304; 



id. ed. 3, ii. p. 314 ; Gould, introd. p. c ; Sounders, iii. 



p. 26. 



Columba migratoria, Harting, p. 128. 

 The Passenger Pigeon, Yarr. ed. 1, ii. p. 272. 



Migratorius = migratory. / 



A very rare straggler/ from the Nearctic Region, where it 

 is common from the Atlantic to the great central plains, and 

 from the Southern States to the 65th .parallel of northern 

 latitude. 



Order PTEROCLETES. 



Family PTEROCLKME. 



Genus SYRRHAPTES, Illiger, Prodr. p. 243 (1811). 



Syrrhaptes, derived by its inventor, I. c., from wppaTTTeiv = to sew or stitch 

 together, because the last phalanges of the toes alone are free. 



Syrrhaptes paradoxus. PALLAS'S SAND-GROUSE. 



Tetrao paradox a, Pallas, Reise Russ. Reichs, ii. App. 

 p. 712 (1773). 



Syrrhaptes paradoxus, Gould, iv. p. 11 ; Harting, p. 128 ; 

 Dresser, vii. p. 75. ' r 



Paradoxus = 7rapddo%os, strange, contrary to expectation ; from the curious 

 structure of its feet. 



Has occasionally occurred in large numbers, particularly 

 in 1863, in Great Britain and Ireland, and under similar 

 circumstances in various parts of Europe. Its true home is 

 the steppes of Central Asia, 



