SUBJECT INDEX 425 



Madison county (continued) 



Smock. Building Stone Quarries. Mus. bul. 3. 1888. p.l22; 10. 1890. p.250. 



revised by Merrill. Mus. bul. 15. 1895. p.443. Same, Mus. rep. 



48 (for 1894) 1895. 1:443 (2d paging). 

 Vanuxem. Geology. Geol. rep. 3d dist. (for 1838) 1839. p.245-8o. Geol. 

 N. Y. pt3. 1842. p.271-77. 

 Magnesia-iron silicates. Merrill. Magnesia-iron Silicates. Mus. bul. 19.. 



1898. p.121-22. Same, Mus. rep. 51 (for 1897) 1899. 1:121-22. 

 Magnesian deposits. Vanuxem. Magnesian Deposits. Geol. rep. 3d dist. 

 (for 1838) 1839. p.261. Geol. N. Y. pt3. 1842. p.107-9. 

 See also Onondaga salt group. 

 Magnesian marble. Beck. Magnesian Marble. Min. rep. (for 1836) 1837. 



p.58 (ed. 2, p.60). Min. N. Y. 1842. p.2oO. 

 Magnesian minerals. Beck Magnesian Minerals. Min. rep. (for 1838) 



1839. p.38-41. Min. N. Y. 1842. p.57-59, 248-56. 

 Magnesian slate. Emmons. Magnesian Slate. Geol. N. Y. pt2. 1842. 

 p.152-54. Ag. N. Y. 1846. 1:75-78. 

 Fitch. Magnesian Slate of Washington County. Ag. Soc. Trans. 9 (for 

 1849) 1850. p.854-55. 

 Magnesite. Beck. Carbonate of Magnesia. Jlin. N. y. 1842. p.249-50. 

 Beck. Magnesite or Kerolite. Min. rep. (for 1838) 1839. p.39. Min. N. Y. 



1842. p.57, 279-81. 

 Merrill. Localities. Mus. bul. 15. 1895. p.582. Same, Mus. rep. 48 (for 

 1894) 1895. 1:582 (2d paging). 



Mus. bul. 19. 1S98. p.234. Same, Mus. rep. 51 (for 1897) 1809. 



1:234. 

 Whitlock. Magnesite. Mus. bul. 58. 1902. p.82. 

 Magnetic iron ore, see Magnetite. 

 Magnetic iron pyrites, See Pyrrhotite. 



Magnetic iron sand. Beck. Magnetic Iron Sand. Min. rep. (for 1836) 1837. 

 p.39-40 (ed. 2, p.41-42). Min. N. Y. 1842. p.22. 

 Merrill. Magnetic Iron Sand. Mus. bul. 15. 1S95. p.542. Same, Mus. 

 rep. 48 (for 1894) 1895. 1:542 (2d paging). 

 Magnetic needle. Hough. Early Observations upon Magnetic Variations. 



Mus. rep. 22 (for 1868) 1869. p.109-13. map. 

 Magnetite. Beck. Magnetic Iron Ore. Min. rep. (for 1836) 1837. p.lS-28 

 (ed. 2, p.20-30). Min. N. Y. 1842. p.1-22, S83-86, 445. Mus. rep. 3 rev. 

 ed. (for 1849) 1850. p.147-48. 

 Gushing. Iron Ore of Franklin County. Geol. rep. 18 (for 1808) 1809. 



P.12S-26. Same, Mus. rep. 52 (for 1898) 1900. 2:125-26. 

 Denniston. Magnetic Oxide of Iron of Orange County. Ag. Soc. Trans. 



22 (for 1862) 1863. p.159-60. 

 Emmons. Magnetic Oxide of Iron in Essex County. Geol. rep. 2d dlst. 



(for 1839) 1840. p.319-21. Geol. N. Y. pt2. 1842. p.231-63. 

 Emmons. Magnetic Oxide of Iron. Geol. N. Y. pt2. 1842. p.S7-92. 

 Emmons. Iron Ores of Clinton County. Geol. N. Y. pt2. 1842. p.291-308. 

 Emmons. Iron Ores of Franklin. Geol. N. Y. pt2. 1842. p.326-31. 

 ■Emmons. Magnetic Ores of St Lawrence County. Geol. N. Y. pt2. 1842. 



p.347-48. 

 Emmons. Magnetic Oxide of Iron in Warren County. Geol. rep. 2d dist 



(for 1838) 1839. p.236-37; (for 1839) 1840. p.319-21. 

 Fitch. Iron Ore of Washington County. Ag. Soc. Trans. 9 (for 1849) 1850; 



p.822-23. 

 Hall. 0. E. Laurentian Magnetic Iron Ore Deposits of Northern New 

 York. Mus. rep. 32 (for 1878) 1879. p.133-40. Same, Geol. rep. 4 (for 

 1884) 1885. p.23-34, with geol. map of Essex county, 48x40.5cm. 



