Inches Length of œsophagus, including proventriculus 3½ of intestinal canal, from gizzard to cloaca 18 of rectum 2¼ Diameter of gizzard ⁹⁄₁₀ Length of ditto 1 The pelvis and ribs of this bird were much damaged; sternum of equal breadth posteriorly and anteriorly, slightly contracted on its lateral edge, near the middle indented on its posterior margin with four deep fissures, the outer ones largest; a large triangular process projecting forwards between the junctions of the coracoids, bifid at the apex; the coracoids themselves very strongly articulated to the sternum, the sides of the sternum to which the ribs are articulated projecting in the form of a process far beyond the junction of the coracoids; the sternal keel is narrow, and has its edge straight; the coracoids are long, thin, with very slight external lateral processes at their junction with the sternum; os furcatum very thin, roundish, a very slight process on the point at which it approaches nearest to the sternum, very slightly arched. Scapula broad, flattened, much widened at about one-third of its length from the hinder extremity; wing bones short, and weak; leg bones long, and strong; the fibula much developed. lines Length of sternum 15 Greatest breadth of sternum 9½ Breadth at the narrowest part 7 Width of external fissure 1½ Depth of ditto 6 Width of internal ditto 1¼ Depth of ditto 6½ Depth of keel 3 Length from occiput to point of bill 22¼ Breadth of cranium 10½ Length of coracoids 11 Breadth of scapula in the broadest part 2 Cervical vertebræ 12 Dorsal ditto 6 Sacral, damaged. Caudal, damaged. PTEROTOCHOS ALBICOLLIS. _Kittl._ (Male.) Trachea, tongue, œsophagus, gizzard, and liver of the same form as in _Pterotochos Tarnii_. The contents of the gizzard also did not differ. Inches Length of intestinal canal 14½ from cæca to cloaca 2½ Length of gizzard ¾ Breadth of ditto ⅝