THE BIRDS OF ALGERIA. 77 



winter visitor to Algeria, and, as might be expected, 

 from tlie more delicate constitution of the bird, 

 occurs there in greater numbers than the preceding 

 species. 



347. The Song Thrush Turdus muskus, Lin- 

 naeus, is a winter visitor to Algeria, but I am con- 

 vinced that it breeds sparingly on the wooded slopes 

 of the Atlas. I met with it in the Djebel Aures, at 

 Lambessa, and in the cedar forests west of Batna. 



348. The Missel Thrush Tiirdns I'iscironi.s; 

 Linncrus, is a winter visitor to Algeria, but a small 

 number breed at high elevations in the Atlas. Tac- 

 zanowski states that it is rare in the mountains. 



349. The Dipper C'niclus albicoUis (Vieillot), is 

 a local resident in Algeria, confined to the mountain 

 streams. I beheve this Atlas race has been sep- 

 arated under the name of C. minor by Canon Tris- 

 tram, but I have not yet had the pleasure of com- 

 paring an Algerian specimen. 



It will thus be seen that the list of Aloerian birds 



O 



is both a long and a varied one. As vet we possess 

 but meagre details of the distribution of most of 

 these species ; we know little or nothing of that 

 local migration which must take place on a very 

 large scale ; we are in ignorance of the nests and 

 eggs of many s[:ecies, whilst the various species 



