On a New Dinosaurian Reptile ( Scleromochlus Taylori , gen. et sp. nov.) from the Trias of Lossiemouth, Elgin

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Abstract
Althought so many types of reptiles have been obtained during recent years from the Triassic sandstones of Elgin, Mr. William Taylor has lately discovered two examples of a new form which represents still another group. Through his kindness I have had the privilege of studying these two specimens and comparing them with two more imperfect skeletons of the same animal, which occur on a slab of Elgin Sandstone in the late Mr. James Grant's collection, now in the British Museum (No. R 3.146). All the specimens show merely impressions of bones in the rock, but they occur in counterpart slabs, and many of their most important features can be readily understood with the aid of wax-squeezes taken from the cavities. The four individuals of this new reptile already known are approximately of the same size, each measuring about a decimetre in length to the root of the tail, which is long and slender. They therefore represent a comparatively-diminutive species; and the lightness of the skeleton, with its hollow bones, suggests an animal of remarkable agility (see the accompanying text-figure, p. 141). The head is relatively large, and the neck short. The fore-limbs are small and delicate; while the hind-limbs are very. large, and evidently adapted for a bipedal running or leaping gait. The more important measurements, in millimetres, are as follows:— The large head viewed from above or below, as in the type-specimen (P1. IX, fig. 1), is elongate-triangular in shape, with a sharply-pointed snout. None of its external

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