IN 1898 I directed attention to the fact that the paired elements in the front of the palate of lizards and snakes seem in all their relations to agree with the pair of bones in Ornithorhynchus, which ...
A study reconstructs the palate of an Early Cretaceous bird. Cranial kinesis--relative movement between the braincase and the upper jaw--occurs in most living birds. The origin of this ability is ...
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