SUBJECT INDEX 425, 



Madison county (continued) 



Smock. Building Stone Quarries. Mus. bul. 3. 1SS8. p.l22; 10. 1890. p.2.30. 



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



48 (for 1894) 1S95. 1:443 (2d paging). ^ 



Vanuxem. Geology. Geol._^rep. 3d dist. (for 1838) 1839. p.245-85. Geo!. 



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 reo 3d dist 

 (for 1838) 1839. p.2Gl. Geol. N. Y. pt3. 1842 p.107-9. * 

 See also Onondaga salt group. 



Magnesian marble. Beck. Magnesian Marble. Min. rep. (for 18361 18^7 



p.58 (ed. 2, p.601. Min. N. Y. 1842. p.250. 

 Magnesian minerals. Beck Magnesian Minerals. Min ren ifor l*?'^';^ 



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



Magnesian slate. Emmons. Magnesian Slate. Geol N Y nf? 1842. 



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



^'!Sa?Vl?n'^^'c-,^--^^ ""^ Washington County. Ag. Soc. Trans. 9 (for 

 Magnesite. Beck. Carbonate of Magnesia. Min. X. Y. 1&42. p.219-50. 

 ^i'c'Vo^^''"*'o-n o.'" I^e^'^^l'te. Min. rep. (for 1838) 1839. p.39. Min. X. Y. 



^^?894l'iSQf'i"^9 ,o^^"'- ^"'; ^^- ^^^^- P-^^2. Same, Mus. rep. 48 (for 

 lby4) Ibito. l:o82 (2d pagmg). 



—y~ Mus. bul. 19. 1898. p.234. Same, Mus. rep. 51 (for 1897) 1899.. 



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

 Magnetic iron ore, see Magnetite. 

 Magnetic iron pyrites, See Pyrrhotite. 



^^^'o 4a7.'', 'r'^-^i^o'^^- ,^;.^§"\^'^i^ Iron Sand. Min. rep. (for 1836) 1837. 

 p.o9-40 (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 18£«) 1895. 1:542 (2d paging). 



Magnetic needle. Hough. Early Observations upon Magnetic Variations 

 Mus. rep. 22 (for 1868) 1869. p.l()9-13. map. ^«»"t^uc anations. 



Magnetite. Beck. Magnetic Iron Ore. Min. rep. (for 1836) 1837 n 1S-'>S. 



Denniston. Magnetic Oxide of Iron of Orange County. Ag Soc Tran<! 

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



Emmons. Magnetic Oxide of Iron in Essex County Geol ren 2d fV^f 



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

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

 Emmons. Iron Ores of Clinton County. Geol. X. Y. pt2. 1842. "p-291-30S 

 Emmons. Iron Ores of Franklin. Geol. X. Y. pt2. 1842. p.326~31. 

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



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



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



^^^^80^93° ^^^ °^ Washington County. Ag. Soc. Trans. 9 (for 1849) 1850. 



Hall. C. E Laurentian Magnetic Iron Ore Deposits of Xorthern Xew 



i^Si^i««r"'- L^P-,^- l^?'' ^^"^^ 1^"^- P-133-40. Same, Geol. rep. 4 (for 

 i&&4j ih«o. p.23-34, with geol. map of Essex county, 4Sx40.5cm. 



