as indicative of the Age of the Animal. 30 1 
variations not being so numerous as in the ox or sheep, and 
being also confined within more restricted limits, I have been 
enabled to reduce the facts to one standard of comparison. The 
following table, Avhich for obvious reasons applies only to the 
incisors and tushes, gives the result we require. 
Dentition of the Pig. 
At 
Birth. 
One Month. 
Three Months. 
Nine Slouths. 
Twelve 
Months. 
Eighteen 
Months. 
Cliicisors 
Foetal \ 
(Tusks 
4 
4 
4 
4 
4 
4 
Temporary Incisors 
4 central 
8 central & 
lateral 
8 central & 
lateral 
4 lateral 
Permanent Incisors 
4 corner 
8 central 
& corner 
12 central, 
lateral, 
& corner 
Permanent Tusks 
•• 
4 (cutting.') 
4 
4 
Total in both jaws 
12 
IG 
IG 
16 
IG 
