a, b, Comparison of the anatomy of the pectoral limb endoskeleton (a) and humerus (b) of stem-tetrapod fish (Panderichthys, Tiktaalik and Elpistostege) and an early tetrapod (Tulerpeton).
THE first volume of this work contains 271 pages, and appeared in 1894; it comprises a description of the anterior and posterior limbs, with some beautifully executed plates, some few in colours. The ...