TROGLODYTIDjE. MOTACILLID^. 29 



Family TROGLODYTID^E. 



Genus TROGLODYTES, Vieillot, Ois. Am. Sept. ii. p. 52 



(1807). 



Troglodytes = rpwyXodiiVr/s, one who creeps into holes ; first applied to a 

 bird by Ae'tius, about A.D. 550. From rpwyX)/ = a hole, and dvu) = I go into. 



Troglodytes parvulus. WEEN. 



Troglodytes parvulus, Koch, Syst. d. baier. Zool. 



p. 161 (1816). 

 Troglodytes parvulus, Naum. iii. p. 725 ; Gray, p. 40 ; Newton, 



i. p. 460; Harting, p. 19; Dresser, iii. p. 219. 

 Anorthura troglodytes, Macg. iii. p. 15. 

 Troglodytes vulgaris, Hewitson, p. 244 ; Yarr. ed. 2, ii. 



p. 169; id. ed. 3, ii. p. 174. 

 Troglodytes europseus, Gould, ii. pi. 63. 

 Wren, Yarr. ed. 1, ii. p. 162. 



Parvulus = very small, dimin. of parvus = small. 



A common resident in the British Islands, temperate 

 Europe, and North Africa, extending eastwards into Western 

 Asia. 



Family MOTACILLID.E. 



Genus MOTACILLA, Linnaus, Syst. Nat. i. p. 328 (1766). 



Motacilla, as if motdcula from *motax, from moto I keep moving. Hence 

 not a compound, as has been alleged, of a non-existent word KtXXos = a tail. 



Motacilla alba. WHITE WAGTAIL. 

 Motacilla alba, Linnaus, S. N. i. p. 331 (1766). 

 Motacilla alba, Naum. iii. p. 803 ; Macg. ii. p. 221 ; Hewitson, 

 p. 165 ; Gray, p. 66 ; Yarr. ed. 2, i. p. 403 ; id. ed. 3, 

 i. p. 428; Newton, i. p. 548; Gould, iii. pi. 2; Hartiny, 

 p. 23; Dresser, iii. p. 233. 

 Pied Wagtail, Yarr. ed. 1, i. p. 362. 



Alba = white. 



A rare straggler to the south of England and to Ireland. 

 Breeds throughout Europe ; in the south only at high eleva- 



