Revieios — Br. Winkler on Plesiosaurus. 229 



over fourteen acres, which have been thought to have been the 

 remains of habitations of an early British race, the largest being 

 assigned to no less a person than " King Cole." The author shows 

 that this view is untenable, and that the pits are only the remains 

 of old workings for sandstone and ironstone, as remarked by Grodwin- 

 Austen. W. W. 



Walker, H. The Glacial Drifts of Muswell Hill and Finchley. With 

 Map, Sections, and other Illustrations, pip. 24. London, [1874:]. 

 The author describes the various sections of gravel and Boulder- 

 clay at Muswell Hill and Finchley. In accounting for the origin of 

 these beds, he says that at Finchley we see the material of a moraine 

 which has been extended beneath the sea from the land-ice, and dis- 

 tributed, by means other than that of moving water, over the sea 

 bottom ; and he also states that the original moraine-form may still 

 be seen in the deposit. He adopts Mr. S. V. Wood's, jun., theory as 

 to the direction whence the glacial clay was brought to Finchley, 

 viz. from Lincolnshire, by a glacier probably 1000 feet thick, 

 ploughing out materials from the Trias, Lias, Oolite, Neocomian, and 

 Chalk, and which had its terminal moraine at Finchley, containing 

 relics of most of these beds, F. J. B. 



laEATXIE^WS. 



Le Plesiosaurus dolichodeirus, Conyb., du Musee Teylek. 

 Par T. C. Winkler. (Haarlem, 1873.) 



niHE Teyler Museum, so rich in fossils of all kinds, especially 

 I those from the lithographic stone of Bavaria, the Oeningen 

 marls, and the Maestricht Chalk, has recently acquired a very fine 

 specimen of the Plesiosaurus dolichodeirus from Lyme Kegis, which 

 has been carefully described and illustrated by the indefatigable 

 curator. Dr. Winkler, in the third part of vol. iii. of the Archives of 

 the Museum. This, the earliest noticed species, and upon which the 

 genus was founded by Conybeare, was first discovered in a nearly 

 entire state in 1824, and described and figured in the Geol. Trans. 

 (2 ser. vol. ii.), and subsequently by Cuvier in the Ossements 

 fossiles (tome v. 2me. partie). Previous to the discovery of this 

 nearly entire skeleton, remains of the genus had been noticed by 

 Conybeare and De la Beche in 1821 (Geol. Trans. 1 ser. vol. i.), and 

 in the same work (2 ser. vol. i.). 



Dr. Winkler's specimen presents the vertebral column entire, 

 some bones of the skull, and the half of the lower jaw, the ribs 

 broken and displaced, the anterior limbs nearly entire, many 

 bones of the posterior limbs, and portions of bones of the pectoral 

 arch and pelvis ; the length is about 382 metres. There are 

 90 vertebrte, of which 38 are considered to be cervical,^ 21 



^ Prof. Huxley remarks : " The cervical vertebrae may exceed forty in number, 

 though they are generally fewer ; and as none of the ribs appear to have been con- 



