180 LARID^E. 



The BLACK-HEADED TERN. HYDROCHELIDON nigra. 

 Sterna nigra, Linn. 8. N. i. 227. S. leucoptera, Temm. 

 S. fissipes, Pall PL enl. 333. S. nsevia, Zwn. 

 PI. enl. 924. Rallus lariformis, Linn. ? 



a. Adult. Italy. 



6.? Young. Gambia. From Mr. Kendall's Collection. 



c. Italy. From Mr. Argent's Collection. 



The MUSTACHED TERN. HYDROCHELIDON hybrida. Sterna 

 hybrida, Pall. S. leucopareia, Natt, 



a. India? Presented by Gen. T. Hardwicke. 



The BLACK TERN. HYDROCHELIDON fissipes. Sterna 

 fissipes, Linn. S. N. i. 228. S. nsevia, Br. S. nigra, 

 Briss.PL enl. 924. 



a. Adult, summer. Kent. 



b. Winter. Sussex. From Col. Montagu's Collection. 



c. > 



The HOARY TERN. HYDROCHELIDON grisea. Sterna 

 grisea, Horsf. Linn. Trans, xm. 199. 



a. Java. Presented by the Hon. East India Company. 



The . HYDROCHELIDON ? 



a. India. From Mr. Warwick's Collection. 



The WHITE TERN. GYGIS Candida, WagL Sterna can- 

 dida, For st. Gmel. S. N. i. 607. S. alba, Sparr. Mus. 

 Carls, i. t. 11. Egg bird, Banks, Icon. ined. t. 33. 



6. ? From Mr. Warwick's Collection. 



The PELICAN-FOOTED TERN. PELECANQPUS pelecanoides, 

 WagL Sterna pelecanoides, King, Nar. Voy. Austr. 

 App. 



a. b. Australia. Presented by Sir T. Mitchell. 



The NODDY TERN. ANGUS stolidus. Sterna stolida, 

 Linn. S. N. i. 227. PI. enl. 997. Gavia fusca, Br. 

 A. niger, Steph. 



a. North America. From Mr. Audubon's Collection. 



