SOME CARNIVOROUS THERAPSIDS. 1029 
which is shown extremely clearly in the three drawings of text- 
fig. 3. 
Text-figure 3. 
Occipital views of the skulls of :— 
A. Diademodon. | 
C. Arctops willistoni, gen. et sp. n. 
Foramen jugulare ; 
Interparietal ; B.Sp., Basisphenoid. 
B. Scymnognathus whaitst ? 
Par.Oc., Paroccipital process ; XS: Fixr.Oc., Exoccipital ; 
Sq., Squamosal ; Tab., Tabulare; I.Par., 
