899 



5841. (12.) The left ramus of the lower jaw of a new-born Infant, or foetus of nine 

 months. 



The mid-incisor has cut the gum : the crowns of the outer incisor, canine, milk-molars and 

 first true molar are exposed by the removal of the outer alveolar wall : the calcified summits 

 of the permanent incisors and canine are erposed by the removal of the inner alveolar wall. 

 The dried remains of the gum remain above the formative alveoli of the undeveloped teeth. 



5842. (12.) Part of the right upper jaw of a new-born Infant. 



The mid-incisor is beginning to cut the gum : the crowns of the outer incisor, canine, two 

 milk-molars, and the calcified summit of the first true molar and of the permanent mid- 

 incisor, are exposed by removal of the inner wall of the alveoli. 



5843. (7.) The left upper jaw of a young Infant. 



The mid-incisor, and apparently the second incisor, which is lost, have cut the gum : the 

 crowns of the canine and milk-molars are seen in the formative sockets. The formative 

 sockets of the permanent incisors are shown, and also that of a canine, or supernumerary 

 tooth, hehind them, with the calcified germ of the tooth in an inverted position, the point 

 being directed upwards against the bony palate, and the pulp-cavity opening towards the 

 gum. The maxillo-premaxillary suture remains on the palate and on the inner surface of the 

 nasal passage. 



Op. cit. pi. viii. fig. 9. 



5844. (10.) The right upper jaw of apparently the same Infant. 



The two incisors have cut the gum. The germ of a corresponding canine, or supernumerary 

 tooth, is shown in a similar inverted position. 



5845. (8.) A section of the right upper jaw of a young Infant. 



The two incisors have cut the gum : the crowns of the canine, milk-molars and first true 

 molars are exposed by the removal of the outer alveolar wall, and the germs of the perma- 

 nent incisors by the removal of the inner alveolar wall. 



5846. (9.) A section of the lower jaw of a Child. 



It shows the mid-incisor and first milk-molar, and the sockets of the intervening outer 

 incisor and canine, from which the teeth have been removed. The formative alveoli of the 

 permanent mid-incisor and of the first bicuspid are also shown. 



/Two views of this preparation are given in the "Work ' On the Teeth,' pi. ix., in which 

 Hunter's description of fig. 2 is, " The incisor of the child is standing in its socket, and the 

 5 T2 



