THE TEETH 427 



fang away from the student, the posterior basal cusp will be on the 

 side to which the tooth belongs. 



The second lower premolar so closely resembles the first that it 

 may be distinguished from the other teeth in the same manner. It is 

 larger than the first, and the secondary cusps are more strongly de- 

 veloped. 



The lower molar has two fangs and a cutting blade. If the flat 

 surface of the blade be held uppermost, the fangs away from the 

 student, the small fang will be on the side to which the tooth belongs. 



TABLE OF THE PEKMANENT TEETH. 



Small teeth with transverse chisel-shaped 



crowns and single fangs. 

 Posterior surface of crown with trans- 

 verse groove. 



Edge of crown with three small 

 cusps. 



Small tooth Inner upper incisor. 



Larger tooth Middle upper incisor. 



Crown more conical, 'posterior 



groove oblique Outer upper incisor. 



Posterior surface of crown not grooved. 

 Crown with three cusps, soon worn 



away. 



Smaller tooth .... Inner lower incisor. 

 Middle-size tooth . . . Middle lower incisor. 

 Larger tooth, outer cusp 



distant and distinct . . Outer lower incisor. 

 Long teeth with conical curved crowns and 



single fangs. 



Crowns straighter, larger tooth . . Upper canine. 

 Crowns more curved, smaller tooth Lower canine. 

 Teeth with laterally compressed crowns. 



Small tooth with simple triangular crown 



and one fang Fyt upper premolar. 



Larger teetli with central large cusp, 

 posterior basal cusp, and two serial 

 fangs. 



