LAMPERN. 
399 
is another row of six teeth, equally small; within this again 
on each side are three more, which are cut into segments ; and 
still nearer the entrance of the mouth is a thick and crescent- 
shaped tooth; still further behind a lengthened bone which is 
placed sideways, with seven small points; a semicircular one 
still further in, and lastly at a still greater depth within a 
single tooth or (as he terms it) cartilage. The manner in 
which they arc used appears to be uncertain.” 
