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It is but natural to suppose that this great group of birds has been created for some especial purpose, and may
we not infer that they have been placed in the Soutl

mollusks and other low marine animals with which those seas abound, and upon which all the Procellaride mainly

subsist ?
Genus Diomepega, Linn.
Of this genus, which comprises among its members the largest of the Oceanic birds, three species range over
the North Pacific Ocean ; and six others the seas southward of the equator.
577. Diomedea exulans, Linn. : : ] : ; : : ; NWO) lease ole eles

iy TA] \f waa NTA PeNraienics 2 . = - = mee os
The weight of this species varies from seventeen to tw enty pounds, and the expanse of its extended wings

averages the enormous breadth of 11 feet.

578. Diomedea brachyura, Temm. . : ; : : : Olea Vale ESO:
579. Diomedea cauta, Gould . : : : i : : : : : ‘ ; NYC) Ee Ot ee)
580. Diomedea culminata, Gould . ' : ; : : : i ‘ : : a‘ W/O) enV ee elo te
581. Diomedea chlororhynchos, Lath. . : , : : : : Vole Veale 43%
582. Diomedea melanophrys, Temm. — . , : : Wok WIUL Tal 4185.
583. Diomedea fuliginosa : : ; : : Vol. VII. Pl. 44.

584. Diomedea gibbosa, Gould.

Diomedea gibbosa, Gould in Ann. and Mag. of Nat. Hist., vol. xiii. p. 361.

Face, ear-coverts, chin, abdomen, upper and under tail-coverts white ; the remainder of the plumage very dark
brown, approaching on the occiput, back of the neck and wings to black ; bill yellowish horn-colour, becoming
darker at the tip and at the base; feet in the dried specimen dark brown, but doubtless of a bluish grey, inclining
to flesh-colour in the living bird.

The above is the description of a specimen in the collection of the Zoological Society of London, to which it
was presented by F. Debell Bennett, Esq., who had procured it in the North Pacific. It differs from every other
that has come under my notice in the peculiar swollen and raised form of the base of the upper mandible, which

moreover advances high upon the forehead.

585. Diomedea olivaceorhyncha, Gould.

Diomedea olivaceorhyncha, Gould in Ann. and Mag. of Nat. Hist., vol. xiii. p. 361.

I propose this name for a species, examples of which are wanting to our collections, and of which a bill only
has as yet come under my notice. It is in the possession of Sir Wm. Jardine, Bart., is 3 inches and “ths long from
the gape to the tip, of a uniform olive-green, and in form more slender and elegant than that of the other members
of the genus. The locality in which it was procured is not known, but it is supposed to have been obtained in the
China seas.

The last two species were not seen by me in the Australian seas, but are given in order to complete a mono-

graph of the Diomedee.

Genus Procetvaria, Linn.

Of the fifteen species I have placed in this genus as now restricted, figures of only eight have been given.

586. Procellaria gigantea : : : : : Volk Vile ie Ab
587. Procellaria Aiquinoctialis.

588. Procellaria conspicillata, Gould j ‘ : 3 ; : 3 : : : : V0) eV east leeAlGe
589. Procellaria hasitata, Kuhl. . : : : : Vol. Vek a7

590. Procellaria Atlantica, Gould.

Procellaria Atlantica, Gould in Ann. and Mag. of Nat. Hist., vol. xiii. p. 362.

 

1ern Ocean to prevent an undue increase of the myriads of

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