io2 THE BIRDS OF DORSET. 



OKDEK GAVI^E. 

 FAM. LARID^E. 



BLACK TERN. Hydrochelidon nigra, (L.) 



Yarrell, iii. p. 516; Dresser, viii. p. 327; Ibis List, p. 185; 

 Sterna fissipes, Harting, p. 76; Sterna nigra, Seebohm, iii. 

 p. 254; Sterna neevia, Pulteney's List, p. 18. 



The Black Tern is a spring and autumn visitant, 

 but very uncertain in its appearance. It is one of 

 the many species which have ceased to breed in 

 these islands through the disturbance it has expe- 

 rienced, and the drainage and reclamation of its 

 breeding haunts. It is occasionally, but rarely, seen 

 in the Poole estuary, Littlesea, and the neighbour- 

 hood of Weymouth. According to the late Mr. 

 Thompson, several have been killed at Lodmoor; 

 one at Ensbury, July 1839; and one at Frampton 

 Court, Dorchester, in July 1871 (both these last- 

 named stations being inland). 



WHITE- WINGED BLACK TERN. Hydrochelidon leucoptera, 



(Schinz). 



Yarrell, iii. p. 522; Dresser, viii. p. 321; Ibis List, p. 185; 

 Sterna leucoptera, Harting, p. 169; Seebohm, iii. p. 257. 



The White-winged Black Tern is a rare and 

 accidental visitant. According to Mr. Hart of 

 Christchurch, several have been seen on the Hamp- 

 shire and Dorsetshire coasts in May and June, one 



