SUBJECT INDEX 393 



Grenville series. Gushing. Grenville Series. Geol. rep. 16 (for 1896) 1899. 



p.10-11. Same, Mus. rep. 50 (for 1896) 1899. 2:10-11. 

 Geol. rep. 18 (for 1898) 1899. p.92-95. Same, Mus. rep. 52 (for 



1898) 1900. 2:92-95. 

 Geol. rep. 20 (for 1900) 1902. p.r79-81. Same, Mus. rep. 54 (for 



1900) 1902. I:r79-81. 



Grey band of Rochester, see Oneida conglomerate. 

 Grit slate. Conrad. Grit Slate. Pal. rep. (for 1840) 1841. p.31. 



See also Schoharie grit. 

 oGuelph formation. Clarke & Schuchert. Guelph Dolomite. See New 



York series. 

 Clarke & Ruedemann. Guelph Formation and Fauna in Western New 



York. Mus. mem. 5. In press. 

 Ries. Guelph Limestone. Geol. rep. 1.7 (for 1897) 1899. p.364. Same, 



Mus. rep. 51 (for 1897) 1890. 2:364. 

 Mus. bul. 44. 1901. p.759. Same, Mus. rep. 54 (for 1900) 1902. 



3:759. 

 Ries. Guelph Limestone of Monroe County. Geol. rep. 17 (for 1897) 



1899. p.441-42. Same, Mus. rep. 51 (for 1897) 1899. 2:441-42. 

 revised. Mus. bul. 44. 1901. p.794, 795-96. Same. Mus. rep. 



54 (for 1900) 1902. 3:794, 795-96. 

 Ries. Guelph Limestone of Orleans County. Mus. bul. 44. 1901. p.810. 



Same, Mus. rep. 54 (for 1900) 1902. 3:810. 

 Gypseous deposits. Conrad. Gypseous Shales. Pal. rep. (for 1838) 1839. 



p.63; (for 1839) 1840. p.202; (for 1840) 1841. p.31. 

 Hall. Gypseous Marls and Slates. Geol. rep. 4th dist. (for 1837) 1838. 



p.303-7. 

 Vanuxem. Gypseous Deposit. Geol. rep. 3d dist. (for 1838) 1839. p.252-61. 



Geol. N. Y. pt3. 1842. p.98-107, 278-83, 287. 

 See also Onondaga salt group; Salina group. 

 Gypseous marl. Hall. Gypseous Marl in Wayne County. Geol. rep. 4th 



dist. (for 1837) 1838. p.320-21. Geol. N. Y. pt4. 1843. p.418. 

 See also Onondaga salt group. 

 Gypsum. Beck. Gypsum. Min. rep. (for 1838) 1839. p.31-37. Min. N. Y. 



1842. p.61-67, 237-38. Mus. rep. 3 rev. ed. (for 1849) 1850. p.127. 

 Conrad. Gypsum. Geol., rep. 3d dist. (for 1836) 1837. p.179 (ed. 2, p.181). 

 Hall. Gypsum; Plaster, in Monroe County. Geol. rep. 4th dist. (for 1837) 



1838. p.340-42. Geol. N. Y. pt4. 1843. p.430-31. 

 Hall. Gypsum in Ontario County. Geol. rep. 4th dist. (for 1838) 1839. 



p.304-6. Geol. N. Y. pt4. 1843. p.453-55, 457. 

 Hall. Gypsum in Seneca County. Geol. rep. 4th dist. (for 1838) 1839. 



p.291-93. Geol. N. Y. pt4. 1843. p.449-50. 

 Hall. Gypsum in Wayne County. Geol. rep. 4th dist. (for 1837) 1838. 



p.325-26. Geol. N. Y. pt4. 1843. p.421. 

 Luther. Sulphate of Lime or Gypsum. Geol. rep. 15 (for 1895) 1897. 



p.266-67. Same, Mus. rep. 49 (for 1895) 1898. 2:266-67. 

 Mather. Sulphates of Lime, Alumina, etc. Geol. N. Y. ptl. 1843. p.83-85. 

 Merrill. Salt and Gypsum Industries of New York. Mus. bul. 11. 1893. 



89p. 12pl. (phot.) 2maps, lltab. 



Map of New York showing salt wells and mines and gypsum quarries, 38-55cm. 



Map of western salt field of New York, 52.5x32.5cm. 



Chart of well sections. 



abstract. Mus. bul. 15. 1895. p.545-51. Same, Mus. rep. 48 



(for 1894) 1895. 1:545-51 (2d paging). 



a Term first denned by Bell. Described by Logan. Can. Geol. Surv. 1863. p. 298-344. 



