Aging Beaver Teeth 69 



Table 1. Age, as estimated by cementum annuli, cementum and noncementum 

 length, measured to the nearest millimeter along the maximum longitu- 

 dinal cross-section of one premolar per specimen, and predicted ages 

 and residuals for beavers captured in west Tennessee, November 1984 

 through May 1985. 



Specimen 



Age 



Cementum 



Noncementum 



Predicted Age 1 



Residual 



1 



4 



3 



22 



4.34 



-0.34 



2 



4 



3 



22 



4.34 



-0.34 



3 



4 



1 



24 



3.48 



0.52 



4 



4 



3 



22 



4.34 



-0.34 



5 



4 



2 



21 



4.02 



-0.02 



6 



4 



3 



21 



4.41 



-0.41 



7 



4 



3 



19 



4.57 



-0.57 



8 



4 



1 



24 



3.48 



0.52 



9 



4 



1 



24 



3.48 



0.52 



10 



4 



2 



20 



4.09 



-0.09 



11 



4 



1 



22 



3.60 



0.40 



12 



4 



2 



22 



3.95 



0.05 



13 



4 



3 



21 



4.41 



-0.41 



14 



5 



4 



14 



5.59 



-0.59 



15 



5 



6 



16 



6.36 



-1.36 



16 



5 



5 



20 



5.42 



-0.42 



17 



7 



6 



19 



6.05 



0.95 



18 



8 



7 



13 



7.41 



0.59 



19 



8 



9 



11 



9.23 



-1.23 



20 



9 



9 



10 



9.45 



-0.45 



21 



9 



8 



13 



8.10 



0.90 



22 



9 



9 



8 



9.95 



-0.95 



23 



9 



9 



9 



9.69 



-0.68 



24 



10 



8 



9 



8.92 



1.08 



25 



10 



9 



11 



9.23 



0.77 



26 



10 



8 



11 



8.46 



1.54 



27 



11 



10 



10 



10.31 



0.69 



28 



12 



12 



10 



12.35 



-0.35 



AGE = 6.174*e<-°- 1037 *"°" C£M£ ") + 2.6513V 



1U9*CEMENTUM) 



