PLATE XXVIII 



A. UPPER JAW OF A HORSE RISING THREE YEARS OLD 



1,1. First and Second Permanent Premolars. 

 (Crowns of temporary teeth just cast.) 



2, 2. Third Temporary Premolars. 



3, 3. Fourth Teeth, or First Permanent Molars. 



4, 4. Fifth Tooth on Each Side, or Second Permanent 



Molars coming into Wear. 



5, 5. Permanent Central Incisors. 



6, 6. Lateral Temporary Incisors. 



7, 7. Corner Temporary Incisors. 



B. LOWER JAW OF A HORSE RISING THREE YEARS OLD 



Numbers have the sam-3 reference as in A. 



