MISCELLANEOUS AGRICULTURAL SUBJECTS. 



623 



SHEEP. 



TEMPORARY INCISORS. 



Period. 



Number. 



Position. 



4 to 7 days old 2 



7 to 10 days old 2 



JS days old 



PERMANENT INCISORS. 



1 year old 2 



1 year 6 months old 



rs 3 months old 



ra old 2 



TEMPORARY MOLARS. 

 14 to 21 days old 3 



PERMANENT MOLARS. 



j 



3 months old 1 



9 months old 1 



nths old 1 



L'4 months old 3 



Central. 



Lateral Central. 

 Lateral. 

 Corner. 



Central. 



Lateral Central 

 Lateral. 

 Corner. 



First, Second, Third. 



Fourth. 



Fifth. 



Sixth. 



First, Second, Third. 



In the sheep, as in the ox, all the temporary incisors are up at one 



month old, as well as the first, second, and third molars. At one year 



the two central incisors are changed and replaced by permanent teeth, 



fourth and fifth molars are up. Six months later the two lateral 



ral and tli- sixth molar appear. At two years and three months the 



lateral permanent incisors are cut, and the first, second, ami third molars 



M -niiant -lit. At three years old the corner incisors are shed, an <1 



shortly afterwards all the permanent teeth are in the mouth, 



