SUBJECT INDEX 397 



Hamilton shales {<-ontinur(l) 



Darton. Hamilton Shales of Ulster County. Geol. rep. 13 (for 1S93) 1894. 

 p.300-1. Same, Miis. rep. 47 (for 1893) 1894. p.494-95. 



Emmons. Hamilton Shales. Ag. N. Y. 1846. 1:183-86. 



Grabau. Hamilton Shales. Geol. rep. 16 (for 189G) 1899. p.235-3G. Same, 

 Mus. rep. 50 (for 1896) 1899. 2:235-36. 



Lincohi. Hamilton Shales of Seneca County. Geol. rep. 14 (for 1894) 

 1895. p.93-95. Same, Mus. rep. 48 (for 1894) 1895. 2:93-95. 



Luther. Hamilton Shales of Onondaga County. Geol. rep. 15 (for 1895) 

 1897. P.2S0-S2. Same, Uus. rep. 49 (for 1895) 1898. 2:280-82. 



Luther. Hamilton Shales of the Salt Disti-ict. Geol. rep. 16 (for 1896) 

 1899. p.217-19. Same, Mus. rep. 50 (for 1896) 1899. 2:217-19. 



Merrill. Hamilton Shale. Mus. bul. 19. 1898. p. 163. Same, Mus. rep. 51 

 (for 1897) 1899. 1:163. 



Ries. Hamilton Shale. Geol. rep. 15 (for 1895) 1897. p.693-94. Same, 



Mus. rep. 49 (for 1895) 1898. 2:693-94. 

 revised. Mus. bul. 35. 1900. p.831-34. Saine, Mus. rep. 54 (for 



1900) 1902. 2:831-34. 

 Harlem quadrangle. Wood-^'orth. Harlem Quadrangle. Mus. bul. 48. 



1901. P.64S-50. Same, Mus. rep. 54 (for 1900) 1902. 4:&lS-50. 



Harmatome. Beck. Harmatome. Min. N. Y. 1842. p.451. 



Harrison diorite. Eckel. Quarries. Geol. rep. 20 (for 1900) 1902. p.rl65-66. 

 Same, Mus. rep. 54 (for 1900) 1902. l:rl65-66. 



Merrill. Harrison Diorite. Mus. rep. 50 (for 1896) 1898. 1:30 (1st paging). 

 Hartz mountains. Clarke. The Hercynian Question. Geol. rep. 8 (for 

 1888) 1889. p.62-91. Same, Mus. rep. 42. (for 1888) 1889. p.408-37. 



Heavy spar, see Barite. 



Helderberg division. Denniston. Helderberg Division in Orange County. 

 Ag. Soc. Trans. 22 (for 1862) 1863. p.l55. ^ 



Emmons. Helderberg Series. Geol. N. Y. pt2. 1842. p.lOO, 429. 



Emmons. Helderberg Division. Ag. N. Y.' 1846. 1:153-79. 



Hall. Helderberg Series. Geol. N. Y. pt4. 1843. p.l8, 117-76. 



aMather. Helderberg Limestone Group. Geol. rep. 1st dist. (for 1839) 

 1840. p.212, 236-461 (for 1840) 1841. p.85-89. 



Mather. Helderberg Division. Geol. N. Y. ptl. 1S43. p.324-53. 



Mather. Fossils. Geol. N. Y. ptl. 1843. p.324, 333, 337-53. 



Mather. Economical Applications. Geol. N. Y. ptl. 1843. p.326-30. 



Vanuxem. Helderberg Division. Geol. N. Y. pt3. 1842. p.15-16, 94-146. 



Helderberg limestones (Coeymans; Becraft; Scutella; Lower Helderberg; 

 Lower Pentamerus). 



Clarke. Hercynian Question. Geol. rep. 8 (for 1888) 1889. p.62-91. Same, 

 Mus. rep. 42 (for 1888) 1889. p.408-37. 



Clarke. Devonic Age of the Helderbergian Fauna and the Base of the 

 Devonic System in New York. Mus. mem. 3. 1900. p.82-98. Same, 

 Mus. rep. 53 (for 1899) 1901. 2:82-98. 



Clarke. Helderbergian Fauna. Mus. bul. 52. 1902. p.665-66. 



oConrad. Helderberg Limestones. Pal. rep. (for 1838) 1839. p.62. 



Darton. Report on the Relations of the Helderberg Limestones and 

 Associated Formations in Eastern New York. Geol. rep. 13 (for 1893) 

 1894. p.197-228. pi. (phot.) Same, Mus. rep. 47 (for 1893) 1894. p.391- 

 422. pi. (phot.) 



Merrill. Helderberg Rocks. Mus. bul. 19. 1898. p. 156-57. Same, Mus. 

 rep. 51 (for 1897) 1899. 1:156-57. 



a First vise of term. 



