EXPLANATION OF PLATE B. XXV. 



Fig. 1, 2. GeI/OCHelidon macrotarsa . 



Long-legged Tern. 



Fig. 3, 4. Sterna melanorhtnoha. 



Black-billed Tern. 



Fig. 5, 6, 7. Gtois Candida. 



White Tern. 



Fig. 8, 9, 10. Sterna gracilis. 



Graceful Tern. 



Fig. 11, 12. Htdrocbelidon htbrida. 



Marsh Tern. 



Fig. 13, 14. Sterna melanauchen. 



Black -naped Tern. 



Fig. 15, 16. .SOIALITIS CnCDLLATA. 



Hooded Dotterel. 

 Fig. 17, 18. Sterna nereis. 



Little Tern. 



Fig. 19, 20. Sterna sinensis. 



Black-Iored Tern. 



