Leslej . 



116 



[Oct. 18, 



(/) Upper specimen evidently abnormal; or bed non-homogenous. 



(flOCalcite 87.7 1.8 1(1.4 



(h) Abnormal (flinty ? in the upper part ?). 



(i) Abnormal (magnesian in the upper part.) 



U) Abnormal (magnesian in the upper part). 



(A) Abnormal (flinty in the upper part). 



(I) Upper part more magnesian. This balances 49. 



(m) It is needful in the averages to suppose these brackets. But they are absent 



from the record, 

 (n) Upper part less magnesian. This balances 44. 



