396 NATURAL HISTORY. 



751. None other of the hard substances have 

 sense, but the teeth ; and the teeth have sense, not 

 only of pain, but of cold. 



But we will leave the inquiries of other hard 

 substances unto their several places, and now inquire 

 only of the teeth. 



752. The teeth are, in men, of three kinds: 

 sharp, as the fore-teeth : broad, as the back-teeth, 

 which we call the molar-teeth, or grinders, and 

 pointed teeth, or canine, which are between both. 



But there have been some men that have had their 

 teeth undivided, as of one whole bone, with some lit 

 tle mark in the place of the division, as Pyrrhus had. 

 Some creatures have over-long or out-growing teeth, 

 which we call fangs, or tusks : as boars, pikes, sal 

 mons, and dogs, though less. Some living creatures 

 have teeth against teeth, as men and horses ; and 

 some have teeth, especially their master-teeth, in 

 dented one within another like saws, as lions ; and so 

 again have dogs. Some fishes have divers rows of 

 teeth in the roofs of their mouths, as pikes, salmons, 

 trouts, &c. And many more in salt-waters. Snakes 

 and other serpents have venomous teeth, which are 

 sometimes mistaken for their sting. 



753. No beast that hath horns hath upper teeth ; 

 and no beast that hath teeth above wanteth them be 

 low : but yet if they be of the same kind, it followeth 

 not, that if the hard matter goeth not into upper 

 teeth, it will go into horns, nor yet e converse ; for 

 does, that have no horns, have no upper teeth. 



754. Horses have, at three years old, a tooth put 



