36 EXPLANATION OF PLATES 25'. 26. 26'. 



species, in the Oxford Museum, from the Great 

 Oolite, at Enslow, near Woodstock, Oxon. (Ori- 

 ginal.) 



Plate 25'. V. I. p. 192. 



Fig. 1. Head of a Crocodile found in 1831, by E. Spencer, 

 Esq. in the London Clay, of the Isle of Sheppy. See 

 V. I. p. 192. (Original.) 



Fig. 2. Extremity of the upper and lower Jaw of Teleo- 

 saurus in the Oxford Museum, from the Great 

 Oolite at Stonesfield, Oxon. See V. I. p. 193. (Ori- 

 ginal.) 



Fig. 3. Anterior extremity of the upper Jaw of Steneo- 

 saurus, in the Museum of Geneva, from Havre ; 

 the same species occurs in the Kimmeridge Clay of 

 Shotover hill, near Oxford. See V. I. p. 192. (De 

 la Beche.) 



Fig. 4. Fossil Turtle, from the slate of Glaris. See V. I. 

 p. 196. (Cuvier.) 



Plate 26. V. I. p. 198. 



Fossil Footsteps indicating the Tracks of ancient animals, 

 probably Tortoises, on the New Red Sandstone near Dum- 

 fries. (From a cast presented by Rev. Dr. Duncan.) 



Plate 26'. V. I. p. 201. 



Fig. 1. Impressions of footsteps of several unknown ani- 

 mals upon a slab of New Red Sandstone found at 

 the depth of eighteen feet in a quarry at Hessberg, 

 near Hildburghausen in Saxony. (Sickler.) 



The larger footsteps a. b. c. are referred to an 

 animal named provisionally, Chirotherium. The 

 fore feet of this animal were less by one half than 

 the hind feet, and the tracks of all the feet are 



