xviii ANALYSIS OF SOILS. 
1 
Aluming, tes seen en en's aoa eee eo ae 3,200 
OxideloMinoneao- 22 2s. 2 5. oan eee ae eae 0.200 
Gime. 2 see sete es sian a eee eee nae a eee 0.350 
Phosphoric acid,..-.------------.2--------------------.--- 0.075 
Ot aS hye tee tee ae acento ee 2 ee 
R.— Mexico, (S. Porcher,) in 1000 parts. I 
Sands: 3. cee cae amare ae eee ae a ee ee ye ee ae 705 
Clay Ae Sees a en ae eee es aN ae ee 250 
Moisture: 2 = eee sate et re eae eee ee Ace at ee 20 
Vegepablesmatter asset are Soe en eet rene oe 25 
The portion of 1000 grains soluble in warm muriatic acid, furnished ; 
J 
Alminay Ss 2e eas anche aoc ees Gee eee eee eee 3.300 
Oxidevofdirons= 2852556 eS See ee cee eee 2.500 
Limen: Woo oes So eee 2 Oe ee ees eee eae eet oon De 1.260 
iPhosphoricgacid,§saces. 2k eee ces Cee ee a ke 0 030 
Chlorine . <a See ee Oe Serre ee enor Creme nade trace. 
Potishiarid:sodaccistes 2 ae 222 seas de ose trace. 
Sulphuric-acid)= s7geertcsetsecccscesase ste sce 2 trace. 
