20
PROCEEDINGS OF THE GEOLOGICAL SOCIETY.
[Nov. 10,
a smaller postero-external moiety. The former presents a convex articular surface, which looks obliquely downwards and outwards. The postero-external moiety is an irregularly concavo-convex sur- face, which projects suddenly and considerably beyond the level of the other.
Fig. 1.
Fig 1. A, the right tibia of Megalosaurus. The posterior margins of the articular condyles are supposed to be in the plane of the paper; a–b, a line traversing the median plane of the distal end of the bone; d, the summit of the cnemial crest. The strong fibular ridge is seen on the outer surface of the proximal third of the bone.
B, the distal extremity of the same bone projected upon the proximal end, which is drawn in outline. The letters as before, except c the outer and c' the inner condyle. |
Fig. 2.
Fig. 2. A & B, corresponding views of the tibia of a young Fowl. The letters have the same signification.
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