THE MOUTH 481 
Fic. 416.—DissecTion oF MoutH anp PHARYNGEAL REGION OF Pic. 
1, Hard palate; 2, tongue showing distinctly fungiform papille; 3, foliate papilla; 4, lymph nodules of soft palate; 
4, stylo-glossus muscle, out of which a portion has been cut; 6, hyo-glossus; 7, genio-glossus; 8, 
snio-hyoideus; 9, 
mylo-hyoideus (reflected); 10, stylo-hyoideus; 11, great cornu of hyoid bone; 12, tensor palati; 13, levator palati; 
14, pterygo- et palato-pharyngeus; 15, stylo-pharyngeus; 16, cervico-hyoideus; 17, sterno- et omo-hyoideus; 18, su- 
prapharyngeal lymph glands; a, bulla ossea; 6, paramastoid process. Ellenberger-Baum, Anat. d. Haustiere.) 
The average periods of eruption of the teeth are given in the subjoined table: 
Toor ERvption CHANGE 
WM Fo) CO 4 WeekS 6 a)25 c.-crseresee F : .12 months 
Ln ee upper 2 to 3 months 
lower 114 to 2 months ; _.....16 to 20 months 
ie. Seforeibirth. 22 «2. . A ...8 to 10 months 
mee. Before birth’: <).2:. «=. : ...9 to 10 months 
iP)... .5 months 
Estee oto. 7 weeks’... ...:... seit ) 
P; upper 4 to 8 days. . | a 
“S lower 2 to 4 weeks... . 7 : } 12 to 15 months 
P, upper 4 to 8 days... .. ak Rest | 
"--* \ lower 2 to 4 weeks..... AP 
4 to 6 months 
Mp... .8 to 12 months 
M;....i8 to 20 months 
