lines Length of sternum 12½ Breadth anteriorly 6½ posteriorly 9¼ Width of fissures 1½ Depth of ditto 4 keel 4¾ Length of pelvis 13½ Width anteriorly 5 posteriorly 11 Length from occiput to point of bill 16 Breadth of head 8 Length of coracoids 9 No. of cervical vertebræ 11 dorsal ditto 7 sacral ditto 10 caudal ditto 7 ——— Total 35 No. of true ribs 5 false ribs 2·1 ——— Total 8 Remarks:—The skeleton and soft parts of this bird very nearly resemble those of the genus _Loxia_, but differ in their superior size, in having the fissures on the posterior margin of the sternum not so deep, and in the margin itself being straighter, the coracoids larger, and in having the process at the end of the os furcatum approaching the sternum smaller than in that genus. The ribs also are stronger. TROCHILUS GIGAS. _Vieill._ (Male.) Tongue bifid, each division pointed; hyoids very long, in their position resembling those in the _Picidæ_; trachea of uniform diameter; destitute of muscles of voice; bronchia very long; œsophagus funnel-shaped, slightly contracted on approaching the proventriculus, which is small, and scarcely perceptible; gizzard small, moderately muscular, the inner coat slightly hardened, and filled with the remains of insects; intestine largest near the gizzard; I could not perceive a vestige of cæca. Inches Length of œsophagus, including proventriculus 1¾ Intestinal canal 3½ Length of gizzard ¼ Breadth of ditto ⅓