SUBJECT INDEX 407 



Hypersthene rock. Emmons. Hypersthene Rock. Geol. N. Y. pt2. 1842. 



p.27-37. Ag. N. Y. 1846. 1:39, 40. 

 Emmons. Hypersthene rock of Essex County. Geol. N. Y. pt2. 1842. 



p.221-24. 

 Emmons. Hypersthene rock of St Lawrence County. Geol. N. Y. pt2. 



1S42. p.337. 

 Watson. Hyperstene Rock of Essex County. Ag. Soc. Trans. 12 (for 



1852) 1853. p.777-78. 



See also Anorthosites; Laurentian system; Norite. 

 Hypsometric map, see Physical geography. 

 Ice. Mather. Transport by Floating Ice; Ground Ice. Geol. N. Y. ptl. 



1843. p.39-42. 

 See also Pleistocene. 

 Ichneumons, see Hymenoptera. 

 Idocrase. Beck. Idocrase. Min. N. Y. 1842. p.321-23. Mus. rep. 3 rev. ed. 



(for 1849) 1850. p.136. 



Hunt. Idocrase. Mus. rep. 21 (for 1867) 1871. p.84. 

 See also Vesuvianite. 



Igneous rocks. Emerson. Notes upon Two Boulders of a very Basic 



Eruptive Rock from the West Shore of Canandaigua Lake, and their 



Contact Phenomena upon the Trenton Limestone. Geol. rep. 12 (for 



1892) 1893. p.105-9. Same, Mus. rep. 46 (for 1892) 1893. p.251-55. 



Merrill. Igneous Rocks. Mus. bul. 19. 1898. p.124-25. Same, Mus. rep. 



51 (for 1897) 1899. 1:124-25. 



See also Anorthosites; Gabbros; Granite; Syenites; Trap. 

 Illuminating gas, see Natural gas. 

 Ilmenite. Beck. Ilmenite. Min. N. Y. 1842. p.431-32. 

 Hunt. Ilmenite. Mus. rep. 21 (for 1867) 1871. p.86. 

 Mather. Specular Oxide of Iron. Titaniferous Iron. Geol. N. Y. ptl. 



1843. p.514-15. 



Whitlock. Ilmenite or Menaccanite. Mus. bul. 58. 1902. p.72. 

 Ilvaite. Beck. Ilvaite. Min. N. Y. 1842. p.403-4. 

 Indexes. Felt. Index to Entomologist's Reports 1-13. Mus. bul. 24. 1899. 



p.401-600. Same, Mus. rep. 52 (for 1898) 1900. 1:401-600. 

 General Index to the Annual Reports 1-20 on the State Cabinet of 

 Natural History, exclusive of the geological and palaeontological 

 papers. Mus. rep. 21 (for 1867) 1871. p.149-90. 



Indian collection. Additions. Mus. rep. 2, p.73-79; 3 rev. ed., p.51-95; 

 4, p.93-101; 5, p.47-54; 6, p.33; 7, p.9, 69-77; 8, p.35-39; 9, p.51; 10, p.187- 

 88; 13, p.17-20; 15, p.13; 16, p.13-14; 18, p.12; 20 rev. ed., p.18; 21, 

 p.13-14; 22, p.12; 23, p.24; 24, p.28; 25, p.22; 28, p.25; 30, p.17; 31, p.13- 

 14; 32, p.12; 34, p.16; 37, p.29; 39, p.19; 41, p.34; 42, p.64; 43, p.36-37; 

 52, l:r24-25; 53, l:r!65-66. 

 For dates of Mus. rep. see List of publications, p.241. 



Catalogue of the Historical and Antiquarian Collection. Mus. rep. 2 



(for 1848) 1849. p.71-79. 

 Catalogue of Indian Relics obtained by E. G. Squier. Mus. rep. 3 rev. 



ed. (for 1849) 1850. p.57-58. 

 Catalogue of Indian Relics obtained in the Connecticut and Mississippi 



Valleys by Dexter Marsh. Mus. rep. 7 (for 1853) 1854. p.73-77. 

 Cornplanter Tomahawk. Mus. rep. 4 (for 1850) 1851. p.99-101. 

 Morgan. Communication from. Mus. rep. 2 (for 1848) 1849. p.81-83. 

 Morgan. Report on Articles given to the Collection. Mus. rep. 2 (for 



1848) 1849. p.84-91; 3 rev. ed. (for 1849) 1850. p.63-95. illus. 18pl. 

 Morgan. Schedule of Articles obtained from Indians. Mus. rep. 3 rev. 



ed. (for 1849) 1850. p.59-62; 5 (for 1851) 1852. p.51-54. 



