The Monoclinic Pyroxenes of New York State. 121 



38. *v. Kath, G. — Diopside from Dekald, N. Y. Sitzber. Niederrh. Ges. 

 fur Nat. u. Heilk., p. 224, 1886. 



39. *v. Eath, G. — Pyroxene from Orauge Co., N. Y. Zeitschr. fur 

 Kryst. u Min., Vol. V, p. 495. 



40. V. Kath, G.— Ueber Diopsid from Dekalb, N. Y. Ibid. vol. XIII, 

 p. 598. 



41.* V. Eath, G.^ — On Pyroxene from Diana, N. Y, Pogg. Ann., vol. 

 CXLIV, p. 377, 1872. 



42.* V. Eath, G. — Alteration products of Pyroxene from Orange Co., 

 N. Y. Ibid. vol. CXI, p. 263, 1860. 



43. EiES, H. — List and Bibliography of Minerals occurring in Warwick 

 township, Orange Co., N. Y. Ann. N. Y. Acad. Sci., vol. VII. 



44. EoBiNSON, S. — List of American Mineral Localities. Boston, 1826. 



45. Seybert. — Note on green Pyroxene from Willsboro on L. Chamijlain. 

 Amer. Jour. Sci., vol. V, p. 116, 1822. 



^Q. Shepherd, C. U. — Geology and Mineralogy of Orange Co., N. Y. 

 Amer. Jour. Sci., i, vol. XXL p. 321. 



47.* Smith and Brush. — Note on the composition of Hudsonite. Amer. 

 Jour. Sci., vol. XVI, p. 369, and vol. XIX, p. 362, 1853. 



48. Smyth, Jr., C. H. — Petrography of the Gneisses in the town of Gouver- 

 neur, N. Y. Trans. N. Y. Acad. Sci., vol. . 



49. Smyth, Jr., C. H. — On the Gabbros and associated rocks in the south- 

 western Adirondack Eegion. Amer. Jour. Sci., iii, vol. XLVIII. 



50. Smyth, Jr., C. H. — A group of Diabase Dikes among the Thousand 

 Islands, St. Lawrence Eiver. Trans. N, Y. Acad. Sci., vol. XIII, p. 209. 



51. Smyth, Jr., C. H. — Crystalline Limestones and associated Eocks of 

 the northwestern Adirondack Eegion. Bull. Geol. Soc. Amer., vol. VI, p. 263. 



52.* Troost, G. — The Pyroxenes of the United States. Phila. Acad. Sci., 

 vol. Ill, p. 105, 1825. 



53. Vanuxem, L. — Note on Hudsonite. 

 Jour. Phila. Acad. Sci., vol. III, p. 68. 



54. White, T. G. — The Geology of Essex and Willsboro townships on L. 

 Chajnplain. Trans. N. Y, Acad. Sci., vol. XIII, p. 229. 



55.* Williams, G. H. — On the paramorphosis of Pyroxene to Hornblende 

 in rocks. Amer. Jour. Sci. iii, vol. XXXVIII, p. 259 1884. 



56.* Williams, G. H. — Note on some remarkable crystals of Pyroxene 

 from Orange Co., N. Y. Amer. Jour. Sci. iii, vol. XXXIV, 1887. 



57.* Williams, G. H. — Contact Phenomena of the Cortlandt Series near 

 Peekskill, N. Y. Amer. Jour. Sci. iii, vol. XXXVI, p. 254. 



58.* Williams, G. H. — On the possibility of Hemihedrism in the Mono- 

 clinic System with especial reference to Pyroxene. Amer. Jour. Sci. iii, 

 vol. XXXVIII, 1889. 



59. Williams, G. H. — The Gabbros and Diorites of the Cortlandt Series 

 near Peekskill, N. Y. Amer. Jour. Sci. iii, vol XXXI, p. 26, 1886. 



60.* ZiMANYl, K. Die Hauptbrechungsexponenten der wichtig gesteins- 

 bildeuden Mineralien, bei Na-licht. Zeitschr. fur Kryst. u Min., vol. XXII, 

 p. 343. 



