Mr. 0. Salvin on the Genus Cinclus. Ill 



A. Species inhabiting the Nortliern Hemisphere. 



a. Parti-coloured species of the Palsearctic Region. 



1. Cinclus aquaticus. 



Local races. 



C. aquaticus. Central Europe and British Islands. 



2. C. albicollis. S. Europe and Lebanon. 



3. C. melanogaster. N. Europe, E. Europe (?), N.E. 



Asia Minor (Erzeroora). 



Representative species. 



4. C. CASHMiRiENSis, Silikim and Cashmere. 



5. C. LEucoGASTER. Central A^ia, Altai Mountains. 



b. Whole-coloured species. 



a'. Belonging to the Palsearctic Region. 



6. Cinclus sordidus. Cashmere. 



7. Cinclus paUasi. 



Local races. 



C. pallasi. N.E. Asia and Japan. 



8. C. marila. Formosa. 



9. C. asiaticus. Himalaya. 



b'. Belonging to the Nearctic Region and as far south 

 as Veragua. 



10. Cinclus mexicanus. Rocky Mountains to Mexico and Guate- 



mala. 



Representative species. 



11. C. ARDESiAcus, Vcragua. 



B. Species inhabiting the Southern Hemisphere. 



12. Cinclus leucocephalus. Andes of Peru and Bolivia. 



Representative species. 



13. C. LEUCONOTUs. Andes of New Granada and Ecuador.. 



We thus have five well-marked forms of Cinclus : — 

 1. Cinclus aquaticus, which consists of three constant but 

 nearly allied local races and two more distinct representative 

 species, all occupying different geographical areas ; 2. Cinclics 

 sordidus, which seems to stand alone; 3. Cinclus pallasi, re- 

 presented by three distinguishable races occupying distinct 



