240 SYSTEMATIC CATALOGUE. 



which was killed on the upper pond. It has also 

 occurred at Amberley, Pagham, and Newhaven. 



RED-BREASTED MERGANSER, Mergus serrator. 

 Males in the perfect plumage are very rare. Fe- 

 males and immature birds of both sexes have fre- 

 quently occurred. 



GOOSANDER, Mergus merganser. A rare visitor 

 to Sussex, except during inclement seasons. 

 Young birds have occasionally been killed at dif- 

 ferent places on the coast. 



Family COLYMBID^E. 



GREAT-CRESTED GREBE, Podiceps cristatus. 

 Not uncommon on large ponds with reedy banks. 

 Has been observed at Burton at all times of the 

 year. Adult males have been killed at Chichester 

 Harbour and Pagham. Generally met with in the 

 immature state, when it is the Tippet Grebe of 

 earlier authors. 



RED-NECKED GREBE, Podiceps rubricollis. A 

 few examples of this rare grebe have been obtained 

 in Sussex, and all of these I believe on the 

 coast, being more marine in its habits than any of 

 its congeners. During March, 1847, a bird of this 

 species, having been observed for sometime swim- 

 ming and diving near the beach opposite Bruns- 

 wick-terrace, Brighton, was pursued by a party of 



