[232] See B. ix. c. 88.
[233] Very few other animals are born with teeth, in their natural state. Apes, dogs, and cats are not born with teeth.
[234] From the fourth to the eighth month in reality, during which the four central incisors appear.
[235] The only ones that do not change are those which have three molars on each side of the jaw.
[236] This is erroneous: they change the incisors and molars as well.
[237] See B. xxviii. c. 78.
[238] By us known as the “wisdom” teeth.
[239] This is not the fact: they have usually the same number, but there are exceptions on both sides. The same is also the case with sheep, goats, and swine.
[240] This is not very uncommon.
[241] Not at all an uncommon occurrence.