12 LIST OF PLATES. 



Plate 38. 



Ibis. 



Squacco Heron. 

 Night-Heron. 

 Buff-backed Heron. 

 Purple Heron. 

 Little Egret. 

 Great White Egret. 

 Little Bittern. 

 Common Heron. 



Plate 39. 



Great Crested Grebe. 

 Red-necked Grebe, 

 Sclavonian Grebe. 

 Little Grebe. 

 Eared Grebe. 

 Common Bittern. 

 American Bittern. 



Plate 40. 



Great Auk 

 (Oxford Museum ; formerly in the collection of Sir W. C. Trevelyan). 



Plate 41. 



Great Auk 

 (Liverpool Museum ; formerly in the collection of Lord Derby). 



Plate 42. 



Razorbill. 



Plate 43. 



Guillemot. 



Plate 44. 



Guillemot. 



