p
on the MTOS Biyor, whence specimens ivere sent to London by both Governor TJssher and Mr.
Treacher, the acting Governor of Lahnan.
Jfcie.—Bin and casquc yellowish white, cieepting the base oi the bUl and patches on the
anterior portion and posterior terminus of the cas^ne, which are black. Casque abcnt as high as
the bill, narrow for its whole length, and terminating abrnptly anteriorly at about two thirds the
length of the bill. The black on the anterior end of the easqne extends onto the maiilla. Underparts,
about throe inches of the tips of the primaries and secondaries, together with the whole of
the lateral tail-fcathers, pure white. Best of plnmage Mack with a pnrpUsh gloss. Space arormd
the eyes white, tinged with blue at the margins. Iris red-brown. Feet lead-colour.
Total length 29 inches, wing n j , tail 12}, tarsns I J ; length of bill 6 i inches, length of casque
5, height of casque
There is no dilfcrenee in the plnmage of tlie sexes; but the posterior end of the casque of the
female is yellowish.
Specimens described and ligm-ed are in my own collection.