INTRODUCTION. 
cxxxvu 
391. Sterna macrura ........... Vol, V. PI. LXXII. 
Arctic Tern. 
A resident species, breeding abundantly around our northern coasts. 
392. Sterna fuliginosa. 
Sooty Tern. 
A bird of almost universal distribution. Britain has occasionally been favoured with its visits ; still there 
are few who would give it more than a passing notice in any list of the British birds. One was shot at 
Wallingford, on the banks of the Thames, on the 21st of June, 1869, and kindly sent for my inspection 
before it was skinned by Mr. James Gardner, Jun., of Holhorn and Oxford Street. 
Genus Sternula. 
393. Sternula minuta Vol. V. PI. LXXIII. 
Little Tern. 
A summer visitor. Breeds at Dungeness and many other parts of the south coast of England. 
Genus Gelochelidon. 
394. Gelochelidon anglica .......... Vol. V. PI. LXXIV. 
Gull-billed Tern. 
A bird of the eastern portion of Europe, Africa, and Asia, and quite an accidental visitant to Britain. 
Genus Hydrochelidon. 
The members of this genus frequent marshes for the purpose of breeding, and deposit their eggs in 
regular-formed nests of herbage. The entire group consists of about ten species, which are widely 
distributed over the globe. 
395. Hydrochelidon nigra Vol. V. PI. LXXV- 
Black Tern. 
A summer visitant, breeding in several of the marshes of England. 
396. Hydrochelidon leucoptera ......... Vol. V. PI. LXXVI. 
White-winged Tern. 
An accidental visitor from countries to the south-eastward of our islands. 
