TABLE III, SHOWING THE PROPORTiOJS OF CARBONATE OF LIME AND CARBONATE 

 OF MAGNESIA IN LIMESTONES OF DIFFERENT TEXTURES. 



No. of 

 Analy- 



Colour. 



Compact and crystalline, 



Compact (softer.) 



Friable. 



16 



17 



18 



19 



20* 



23 



24f 



25 



26 



27 



28 



29 



30 



31 



33 



34J 



35 



36 



37 



38 



39 



40 



41 



42 



43 



44 



45 



46 



47 



48 



49 



50 



51 



Grey 



Smoke grey . . 

 Light yellow . . 



Grey 



Yellow 



Yellow 



Yellowish .... 

 Whitish yellow 

 Yellow & grey 

 Light yellow . . 

 Yellowish grey 



Yellow 



Yellow & grey 

 Brown & grey 

 Brown & grey 

 Greyish yellow 

 Yellowish white 

 Grey & Yellow 



Grey 



Light Yellow . . 



Grey 



Light yellow . . 

 Greyish yellow 

 Light yellow . . 

 Light yellow . , 



Grey 



Light grey ... 



Grey 



Yellow 



Whitish yellow 



White 



Smoke grey . . 

 Light yellow . . 



|Carb. lime 94'88 

 t mag. 2-48 



(Carb. 



fCarb. lime 91-86 

 . 3-21 



(Carb. lime 69-84 

 \ mag. 20-88 



lime 81-52 

 mag. 7 68 



(Carb 



(Carb. lime 74'64 



t mag. 16-16 



(Carb. lime 



t mag 



(Carb. lime 

 t mag 



91-04 



2-24 



60-72 



35-48 



Carb. lime 95-29 



mag. 2.91 



lime 91-95 

 mag. 2-06 



(Carb, 



(Carb. lime 

 ( mag. 



8910 

 8-74 



(Carb. lime 80-01 

 \ mag. 9-93 



(Carb. lime 94 89 



\ mag. 1-71 



(Carb. lime 96-55 



X mag. 1-46 



(Carb. lime 95-58 

 X mag. 2-36 



jCarb. 



lime 9694 

 mag. 1-66 



(Carb. lime 56 40 

 | mag. 38-88 



(Carb. 

 (Carb. 



lime 66-80 

 mag. 28-88 

 lime 64-96 

 mag. 25-12 



(Carb. lime 



(Carb. 



mag. 

 lime 



54-40 

 46-45 

 54-66 

 44-79 



(Carb. lime 40-40 

 X mag. 49-22 



(Carb. lime 73-75 

 X mag. 19-53 



(Carb. lime 59-81 

 X mag. 26 06 



(Carb. lime 

 1 mag. 



(Carb. lime 

 X mag. 



(Carb. lime 

 X mag. 



39-60 

 28-24 



50-96 

 44-72 



68 60 

 32-00 



(Carb. lime 

 X ' mag. 



fCarb. lime 

 t mag. 



fCarb. lime 

 I mag. 



(Carb. lime 



X mag. 



(Carb. lime 

 X mag. 



(Carb. lime 



X mag. 



(Carb. lime 

 X mag. 



42-48 

 49-86 



62-94 

 33-73 



54-89 

 3985 



52-10 

 44-04 

 55-48 

 40-92 



56-53 

 38-54 

 52 66 

 45-35 



* Contains 24-06 of sand, clay, &c. f 



% Though exceedingly hard, 



This specimen is both compact and friable. 

 is an exception to the rule 



