I disencumbered myself by main force, and fled, but he overhied me, knocked me down, and threatened, with dreadful oaths, to throw me from the cliff.

‘I axed him if he knowed the way and he said he had not fergitten the lay of the land.’

By the classification of finite simple groups in 1981 it is now known that every finite simple group is either cyclic of prime order, or an alternating group of degree 5 or bigger, or a simple group of Lie type as above, or one of 26 sporadic groups.

Some of the chelydrids are extinct.