WILLIAMSON CHEIEOTHEKIAN FOOTPEINT. 57 



is SO very similar to what is seen in the fore and hind feet of many 

 Saurians, that I have no donbt respecting its signification. The 

 perfect impression will be that of the fore foot, and the imperfect 

 one that of the hind foot. In the larger slab are many examples 

 of each of these impressions, showing that they really represent the 

 two feet. I have seen no proof that they differed materially in size. 

 Had the impression not exhibited the scaly strnctnre, it would 

 probably have been described as " Cheirotherian," but I do not 

 believe that it belonged to a Batrachian animal. It is Saurian, if 

 not Crocodilean, in every feature, and, as such, constitutes an in- 

 teresting addition to the palaeontology of the English Keuper. 



Accompanying this communication is Mr. Elrkham's section of 

 the district in which the Daresbury Quarry is situated, and also a 

 figure of the specimen, taken from a photograph by Mr. Plant of 

 the Salford Museum. 



EXPLAJ^ATION OF PLATE III. 



Fig. 1. Cheirotherian Footprint from the base of the Keuper sandstone of 

 Daresbury, Cheshire, Natural size. 



Fig. 2. Section from Weston Point to Daresbury, Cheshire (about 6 miles) ; 

 by J. W. Kirkham, Esq. a. Red Marl (Keuper) ; b. Lower Keuper 

 sandstone ; c. Tipper mottled sandstone (Bunter) ; d. Pebble-beds 

 (Bunter) ; ^ Faults. The whole of the line of section is covered with 

 Drift, which conceals the rocks beneath, except at the places mentioned 

 in the section. 



