Fig. 1. Head of Oceanites oceanicus. la leg and lb foot (from before) of same. 



Fig. 2, 2a, lb. The same of Garrodia nereis. 



Fig. 3, 3a, 36. The same of Pelagodrorna marina. 



Fig. 4, 4a, 46. The same of Fregetta grallaria. 



Fig. 5, 5a, 5b. The same of Procellaria pelagica. 



Fie. 6. Bill of Bulweria columbina. 



*&' 



Fig. 7. View of external nares of same, from before, to show their two distinct 

 openings. 



Fig. 8. Nostrils of Oceanites oceanicus, from before. 



Fig. 9. The same of Procellaria pelagica. 



Figs. 7-9 enlarged. The others are of the natural size. 



