Footprints. 



73 



The Gheirotherium footprints in Wall-case No. 10 are exceed- 

 ingly fine; they occur chiefly in the Triassic Sandstones of 

 Cheshire. 



Wall-cases, Nos. 11-13, contain a continuation of the Gallery 

 Saurian Collection. No. 11 is devoted to the Genus Plesio- No. 11. 

 saurus, Nos. 12 and 13 to Ichthyosaurus. Many of these speci- Foot P rint s. 

 mens have been figured and described by Hawkins, Sollas, Saurian Ool- 

 and others. In Wall-case, No. 13, is a very complete and ec lon< 

 perfect specimen of Ichthyosaurus tenuirostris from the Lower 

 Lias of Street, Somersetshire, presented by Alfred Gillett, Esq. 

 (see Frontispiece) . 



FIG. 95. Footprints of Cheirotherium Barthi (Kaup, sp.), Bunter sandstone, Hessberg, 

 near Hildburghausen, Germany (reduced). 



