One specimen, sent by Mr. Treacher.

6. Dendrochelidon longipennis.

Dendrochelidon longipennis (Rafin.), Salvad. tom. cit. p. 122.

One specimen, collected by Mr. Burbidge.

7. Corone tenuirostris.

Corone tenuirostris, Moore, Cat. B. Mus. E. I. Co. ii. p. 558.

Corvus tenuirostris, Tweedd. Ibis, 1877, p. 320.

One specimen, in Mr. Treacher’s collection.

The constant character of the long thin bill in specimens from N.W. Borneo impresses me with the idea that Lord Tweeddale is right in keeping C. tenuirostris distinct from C. enca, with which I united it in my “Catalogue of Birds” (vol. iii. p. 43).

8. Dicrurus annectens.