Arkell (I) (concluded) 



1953 Seven new genera of Jurassic 



ammonites 18 



1953 Bajocian ammonites collected by 

 Sir Henry Hayden near Kampadzong, 

 Tibet 19 



1953 Two Jurassic ammonites from South 

 Island, New Zealand, and a note on 

 the Pacific Ocean in the Jurassic 20 



1963 Lower Kimeridgian ammonites from 



the drift of Lincolnshire 21 



