Artiodactyla — Musk-sheep and Bison. 



59 



abundant in the caves of Gibraltar. A large extinct species 

 Caprovis Savini, allied to the living Argali, occurs in tbe Norfolk 

 Forest Bed. 



The -: Musk-sheep " (Ovibos moscliatus)* of the Arctic regions Pier-case, 

 forms a connecting link between the Gaprince and Bovince. 

 It is an animal of singular interest to the palaeontologist, 

 as it was a denizen of this country in prehistoric times, and 

 has left its remains in the gravel of the Wiltshire Avon, in 

 that of the Thames near Maidenhead, in the brick-earth of 

 Crayford, Grays, and Erith, and at Green Street Green in Kent ; 

 it has also been dredged up off the Dogger Bank in the North 

 Sea, and found in the Caves of Dordoo-ne in France. 



No. 16. 



The Musk- 

 sheep. 



Fig. 70. — The Musk-sheep, Ovibos moschatus (Zimm.). 

 Still found living in North Grinnell-Land, Lat. 82° 27'. 



Once its range extended over all the northern lands, as 

 testified by its remains, which are found abundantly in Siberia. 

 It is now only rarely met with living on the treeless barrens of 

 Arctic America and in North Grinnell Land. 



Two closely allied extinct species (0. bombifrons, Harlan, 

 and 0. cavifrmis, Leidy), have been discovered in the Pleistocene 

 of Kentucky and Arkansas. 



Boyike. — In this case are also placed the remains of the 

 European Bison (Bison bonasus, var. priscus), obtained from the 

 Pleistocene "brick-earth" of Ilford and Walton, Essex; from 

 Erith, and Cray ford, Kent; Peckham, Surrey: Wiltshire and 

 Lincolnshire. Other specimens exhibited from Canada, Esch- 

 scholtz Bay, Kotzebue Sound, Alaska, are also referred to the 



Pier-case, 

 No. 16. 



Bison. 



* Of which a recent skeleton is placed in the centre of the Gallery, near 

 Pier-ca3e No. 16. 



