58 HANDBOOK OF BRITISH BIRDS 



navia, barely reaches Denmark, and does not occur 

 to the north-east of the Baltic provinces of Germany. 

 Its status as a British bird has been discussed by 

 Mr. J. H. Gurney {Zool., 1889, p. 172), who regards 

 it as a winter visitor, arriving by a lateral migration 

 from Germany. 



Prof. Newton informs me that the supposed nest 

 of this bird, found at Blonorton, particulars of which 

 were communicated to Hewitson for his " Eggs 

 of British Birds," proved to belong to the Golden- 

 crested Wren. 



Fam. TROGLODYTIDiE. 



COMMON WREN. Troglodytes parvulus, Koch. PI. 17, 



figs. 9, 9a. Length, 4 in. ; wing, 2 in. ; tarsus, '75 in. 



Resident, and everywhere common, but to a 

 certain extent migratory in spring and autumn : see 

 my note on Wren observed crossing a grouse moor, 

 Zool., 1887, p. 431. 



The Wren of Shetland is, on an average, larger 

 than the typical bird, though usually rather smaller 

 than the Icelandic and Faroese form. Troglodytes 

 horealis {Zool, 1891, p. 294). The St. Kilda Wren, 

 described and figured by Seebohm {Zool., 1884, p. 

 333), and by Dixon {Ibis, 1885, p. 80, PI. 3), as 

 Troglodytes hirtensis, so far from being, as supposed, 

 a newly discovered species, was long ago noticed by 

 Martin in his "Voyage to St. Kilda" (1698), and by 

 the Rev. Kenneth Macaulay in his " History of St. 

 Kilda" (1764). Moreover, the supposed points of 



