EXPLANATION OF PLATE I. 



Eig. 1. — Phffiton rubricauda, Bodd. 

 Eig. 2. — Sula cyanops, Hundevall. 

 Fig. 3. — Halcyon vagans, Lesson. 

 Fig. 4. — Anous cinereus, Grouid. 

 Fig. 5. — Aplonis fuscus, Grould. 

 Fig. G. — Sterna fuliginosa, G-melin. 

 Fig. 7. — Anous stolidus, Linnfuus. 



The figures are all of the natural size. 



