Family 8. FULMARS, PETRELS AND SHEARWATERS. Procellariidæ.
Nostrils joined and situated on top of the bill.
Order IV. Cormorants, Pelicans, Gannets, Man-o'war Birds, and Tropic-Birds. STEGANOPODES.
(6 families, 19 species, 5 subspecies.)
Large birds, two feet or more in length, varying widely in appearance and habits; in external structure agreeing only in having all four toes joined by webs.
Family 9. TROPIC BIRDS. Phaëthontidæ.
Bill pointed, somewhat tern-like; central tail feathers much elongated; chin feathered.
