SPREADING OF BIRDS. 77 



over the contiguous parts of the Temperate one only. 

 They are not natives of Europe. 



37. The family of Kings'-Spears (Alcedo) is spread 

 over the whole world, but are most numerous in 

 warm countries. Of twenty-seven species, A. ispida 

 is the only one natural to Germany; inhabiting 

 besides, Europe, Asia, and Africa, without reaching 

 the cold countries. 



38. The family of Oriole (Oriolus) comprehends 

 forty-seven species ; of which, the Common Oriole 

 (0. galbuld) only is to be found in Germany as a bird 

 of passage, which it quits as early as August. One 

 species (0. unalaskensis) is found in Unalaska ; and 

 the Green Oriole (0. viridis) at Hudson's Bay. All 

 the other species keep near the warm countries. 



39. The family of Goatsuckers (Caprimulgus) is 

 met with, according to Humboldt, near the snow- 

 line on Chimborazo. The European Goatsucker is 

 found also in Siberia and Kamtchatka: they are, 

 nevertheless, natives of warm countries 



The family of SPARROWS (Passeres) is diffused over 

 the whole of the inhabitable parts of the globe. 

 They are less numerous near the snow-line than in 

 the Temperate Zone; but most abundant in the 

 Warm Zone. Of Finches, Wagtails, Larks, Ham- 



