LARID^. 173 



The ASHY-HEADED GULL. XEMA cirrocephala. Larus 

 cirrocephalus, Fieill. N. Diet. H. N. xxi. 502. Gal. 

 des Ois. t. 289. L. maculipennis, Licht. L. polio- 

 cephalus, Pr. Max. L. glaucotes, Meyen, Nov. Act. 

 v. 1834, t. 24. L. albipennis, Licht. (Mss.) 



a. East Patagonia. Presented by Sir W. Burnett and 

 Capt. Fitzroy, R.N. 



b. Straits of Magellan. Presented by the Admiralty. 



c. Straits of Magellan Presented by Sir W. Burnett and 

 Capt. Fitzroy, R.N. 



d. Chili. From Mr. Bridges's Collection. 



e. Valparaiso. Presented by Sir W. Burnett and Capt. 

 Fitzroy, R.N. 



f. Straits of Magellan. Presented by the Admiralty. 



g. Adult. St. Salvador Bay, East Falkland (Antarctic 

 Expedition). Presented by the Admiralty. 



h. Berkeley Sound, East Falkland (Antarctic Expe- 

 dition). Presented by the Admiralty. 



t. Male. Falkland Island (Antarctic Expedition). Pre- 

 sented by the Admiralty. 



j. Female. Falkland Island (Antarctic Expedition). 

 Presented by the Admiralty. 



k. Young female. Falkland Island (Antarctic Expedi- 

 tion). Presented by the Admiralty. 



The GREY-CAPPED GULL. XEMA poiocephala. Larus 

 poiocephalus, Swains. B. of W. Afr. n. 245. t. 29. 



a. Gambia. From Mr. Rendall's Collection. 



6. Cape of Good Hope. 



c. Cape of Good Hope. Presented by J. Gould, Esq. 



The XEMA ? 



a. Very young. Swan River, Western Australia. From 

 Mr. Gould's Collection. 



The LITTLE GULL. XEMA minuta. Larus minutus, Pall. 

 Reise. m. 704. L. atricilloides, Falk. Rets. t. 24. 



a. Devonshire. From Col. Montagu's Collection. 



