TROGLODYTID^. MOTAClLLIDiE. 29 



Family TROGLODYTIDiE. 



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



(1807). 



Troglodytes = rpwyXoSSVjjs, one who creeps into holes ; first applied to a 

 bird by Aetius, about a.d. 550. From rpiiyXij = a hole, and Svut = 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 J 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. 



Tarvulws = 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^. 

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



Motadlla, as if motacula from *motax, from moto = I keep moving. Hence 

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



Motacilla alba. White Wagtail. 

 Motacilla alba, im«ffiM«, 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 ; Harting, 

 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- 



