388 



INDEX. 



Nitrate of lime, 11, 271-7. 



— of manganese, 228. 



-^ of potash, 218, 222, 294. 



— of silver, 218, 



— of Boda, 140, 218, 21J4. 



boiling-point of solutions, 



221. 

 Nitric acid, 218. 



— nitrogen, 275. 

 Nitrogen, ammoniacal, 27o. 



— nitric, 275. 

 Nitrophosphate, 148. 



Nitrous sulphuric acid as solvent for 

 leather, etc., 191. 



Norwegian apatite, 

 — fish guano, 292. 



09. 



0. 



Oak filter press frames, 152. 

 — potash in ash of, 295. 

 Oats, experiments on, 129. 

 Ocean Isle phosphates, 56-7. 

 Ontario apatite, 52-3. 

 Organism, function of Pj,05 in, 3, 

 Orthophosphoric acid, 8-iO, 129-B8. 

 Orville phosphates, 14, 15, Hi. 

 Ossein, 195. 

 Osteolite, 50-1. 

 Ottawa apatite, 52-3. 



Pabellon de Pica guano, 5(3-7. 

 Palestine phosphorite, 58-9. 

 Pas de Calais phosphates, 15, 16-18. 

 Patagonia East Coast guano, 54-5. 

 Patagonian, 49, 54-5. 

 Peace River phosphates, 34-5, 52-3. 

 Pebble phosphates, 82-3, 136. 

 Peine coprolites, 50-1. 

 Permian saurians, 3. 

 Pernes phosphate basin, 14. 

 Phcenix Isle guano, 39, 49, 56-7. 

 Phosphates, acid required to dissolve, 

 80. 



— drying and enrichment, 60-66. 



— geological distribution, 49. 



— raw, description and geographical 



distribution of deposits, 14, 59. 

 Phosphoric acid, 1-10. 



manufacture, 151-4. 



Phosphorus, 1-s. 



— manufacture, 167-172. 

 Pigeon dung, 278. 



Pine, potash in, 295. 

 Plum tree wood for phosphoric acid, 

 152. 



Podolian phosphates, 52-3, 88. 



Polk Co. phosphates, 34. 



Pollen, phosphorus iiv, 6. 



Polyhalite, 800. 



Portugal apatite, 29. 



Port Royal phosphate, 52-8. 



Potash salts, 309, 811, 815. 



Russian, from sunflower, 315. 



Potassium and magnesium double sul- 

 phate, 307. 

 phosphate, 309. 



— caibouate, 295. 



— chloride, 215, 297, 315. 



— nitrate, 218, 222, 294. 



— silicate, 309. 



— sulphate. 309-11. 



— superphosphate, 146-9. 

 Precipitated phosphate manufacture, 



88. 

 Puerto Rico bat guano, 52-3. 

 Pump for phosphoric acid. 154, 158-9. 



— precipitated phosphate filter press.. 



195-6. 

 Punta de Lobos guano, 56-7. 

 Pyrenees phosphates, 28. 



Q. 



Quercy (Lot) phosphates, 22, 50-1. 

 Quick-speed bone crasher, 178. 



R. 



Rata phosphates, 39, 49, 54-5. 



Razii Island guano. 54-5. 



Redondii phosphate, 39. 41, 49, 54-5. 



utilization of, 161-4. 



Reduced phosphates, 151. 



Reeds, potash in ash of, 295. 



Remover, automatic, of superphosphates^ 

 from den, 112-7. 



Retrogradation (reduction) of phos- 

 phates, 151. 



Rocks, primitive P.jO, in, 2. 



Roller mill toothed for raw phosphates,. 

 97. 



double for ra^v phosphates, 96. 



Russian black earth, Tcherino Scm, 5^ 



— phosphates, 28, 52-8. 



s. 



St. Martin's phosphates, 49, 54-5. 

 Sal ammoniac, 294. 

 Saldanha Bay guano, 58-9. 

 Salt, common, 806. 

 Sardinian bat gnano, 411. 50-1. 

 Saurian:^, 3. 



