no DUSKY GREBE. 



DUSKY GREBE. 



SCLAVONIAN GREBE. HORNED GREBE. 

 HORNED DABCHICK. BLACK AND WHITE DABCHICK. 



PLATE CCII. FIGURE II. 



Podiceps cornutus, LATHAM. SHAW. 



Podiceps obscurus, LATHAM. 



Podiceps Caspicus, LATHAM. 



Colymbus cornutus, GMELIN. 



Colymbus obscurus, GMELIN. 



Colymbus Caspicus, GMELIN. 



rriHE nest of this bird is large a mass of reeds, 

 -- sedges, and other water-plants, placed by the edge 

 of the liquid element, or floated on the surface among 

 the rushes or other such vegetation that there has its 

 natural growth. 



The eggs appear to be from two to four or five 

 in number. They are of a white colour, with a faint 

 tinge of blue. 



