65 [Vol. xix. 



On Aldabra Island: — 



14. Group of Abbott's Ibis [Ibis abbotti). 



On Mayotte Island : — 



15. Virgin forest, the home of a rare Dove (Alectroenas 



Sffanzini) . 



On Mahe, Seychelles Islands : — 



16. A Cascade^ the home of Alectroenas pulcherrimus. 



On South Trinidad : — 



17 & 18. White Terns {Gygis crawfordi). 



19. Red-footed Gannets. 



20. Forest of Tree-ferns. 



By Mr. P. H. Bahr, a very fine series of slides were 

 exhibited, including the following subjects taken in America 

 and in the British Islands : — 



North America : — 



1-14. A series of remarkable photographs showing 

 Ospreys [Pandiou haliaetus) feeding their young, 

 &c. 

 15-19. Illustrating the nesting-habits and mode of 

 fishing of the Black Skimmer [Rhynchops nigra). 



20. Spotted Sandpiper [Tringoides macularia) at 



its nest. 



21. Kildeer Plover [Jigialitis vociferus) on its nest. 



22 & 23. American Cuckoo [Goccyzus arym'icanus), 

 young in first plumage. 



24. Red-eyed Vireo ( Vireo olivaceus) on its nest. 



25. Field-Sparrow (Spizella jmsilla) feeding its young 



on a man^s hand. 



British Islands : — 



26-28. Red-throated Diver (Colymbus septentrionalis) 



on its nest. 

 29-33. Common Guillemots {Uria troile), Bridled 



Guillemots (Uria troile var. ringvia), &c. 



