The Quarterly journal of the Geological Society of London . urements, in millimetres, are as follows:— Length of head 32 ,, presacral vertebral column 53 „ scapula 10 „ humerus 19 „ radius and ulna 19 ,, longest digit of inanus 5 „ ilium (an tero-posterior) 10 „ femur 30 „ tibia and fibula 34 „ metatarsus 17 ,, proximal phalanges of pes 4 ,, longest digit of pes (approximate) 12 1 E. T. Newton, On Some New Eeptiles from the Elgin Sandstones Roy. Soc. ser. B, vol. clxxxiv (1893) p. 431; and Eeptiles from theElgin Sandstone—Description of Two New Genera ibid. vol. clxxxv (1894)p. 573
The Quarterly journal of the Geological Society of London . urements, in millimetres, are as follows:— Length of head 32 ,, presacral vertebral column 53 „ scapula 10 „ humerus 19 „ radius and ulna 19 ,, longest digit of inanus 5 „ ilium (an tero-posterior) 10 „ femur 30 „ tibia and fibula 34 „ metatarsus 17 ,, proximal phalanges of pes 4 ,, longest digit of pes (approximate) 12 1 E. T. Newton, On Some New Eeptiles from the Elgin Sandstones Roy. Soc. ser. B, vol. clxxxiv (1893) p. 431; and Eeptiles from theElgin Sandstone—Description of Two New Genera ibid. vol. clxxxv (1894)p. 573; G. A. Boulenger, On Reptilian Remains from the Trias of Elginibid. vol. cxcvi (1903) p. 175; and On the Characters & Affinities of theTriassic Reptile Telerpeton elginense Proc. Zool. Soc. 1904, vol. i, pp. 470-81& pis. xxx-xxxii. To the last paper Mr. William Taylor contributes a completelist of the known Triassic Reptiles from the Elgin district, with an accountof their distribution. Yol. 6$.~] A NEW DIN0SAT7RIAN REPTILE. 141. Outline-restoration of the skeleton 0/Scleromochlus Taylori, naturalsize, with two digits of the manus hypothetically added, and theabdominal ribs omitted.—Trias ; Lossiemouth, Elgin. 142 DR. A. SMITH WOODWARD ON [May I907, The large head viewed from above or below, as in the type-specimen (PI. IX, fig. 1), is elongate-triangular in shape, with asharply-pointed snout. None of its external bones are orbit (orb.) and the antorbital vacuity are very large, as shownbest in one of the British Museum specimens (PI. IX, fig. 2); anda small, separate, lateral narial opening appears to be distinguishablein the type. The interorbital region is very narrow. No traces ofteeth are seen in any specimen: hence it is probable that they wereinconspicuous or absent. Apart from the dentition, the generalaspect of the skull must have been much like that of the ElginOrnithosuchus or the American Triassic Anchisaurus. The presacral verteb
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