OOITTENTS. 



Page. 



I. Introduction and scope of investigation? 7 



II. Elements doulitfully reported or of unusual occurrence 8 



III. Detailed chemical and mineralogical determinations 9 



1. Canon Diablo 9 



2. Casas Grandes 10 



3. Mount Joy 11 



4. Perry ville 11 



5. Mount Vernon 12 



6. Krasnojarsk 12 



7. Bishop\alle 12 



8. Collescipoli *. 13 



9. CulUson 14 



10. Elm Creek 15 



11. Fisher 16 



12. Holbrook 17 



13. Indarch 17 



14. Juvinas 19 



.15. McKinney 19 



16. Monroe 20 



17. Ness County 21 



18. Selma 21 



19. Stannem 22 



20. Ballinoo, Glorieta and Misshof 22 



IV. Discussion of results 23 



Gold and the platinoid elements 23 



Phosphorus 23 



Silicon . - 24 



Sulphur 25 



Oldhamite 25 



Tin 26 



Other elements reported 26 



V. R^sum^ 26 



VI. Table of analyses and disctasaion 27 



5 



I ( 



