BIBLIOGRAPHY OF SAMUEL LEWIS PENFIELD 581 



189G. Fayalite from Rockport, Massachusetts, and the optical properties of the 

 chrysolite group (with E. H. Forbes). Ibid. (4), i, 129-135. 



Occurrence of thaumasite at West Taterson, New Jersey (with J. H. 

 Pratt). Ibid., 229-233. 



On pearceite, a sulpharsenite of silver, and on the crystallization of 

 polybasite. Ibid., ii, 17-29. 



1897. On roeblingite, a new silicate from Franlclin Furnace, New Jersey, con- 



taining SO, and lead (with H. W. Foote). Ibid., iii, 413^15. 

 Identity of chalcostibite (wolfsbergite) and guejarite and on chalco- 



stibite from Huanchaca, Bolivia (with A. Frenzel). Ibid., iv, 27- 



35. 

 On bixbyite, a new mineral, and on the associated topaz (with H. W. 



Foote). Ibid., 105-108. 

 Note on the composition of ilmenite (with H. W. Foote). Ibid., 108-110. 

 Chemical composition of hamlinite and its occurrence with bertrandite 



at Oxford county, Maine. Ibid., 313-31G. 



1898. On clinohedrite, a new mineral from Franklin, New Jersey (with H. W. 



Foote). Ibid., v, 289-293. 

 Crystallographic note on krennerite from Cripple Creek, Colorado. Ibid., 



37.5-377. 

 Note on sperrylite from North Carolina (with W. E. Hidden). Ibid., 



vi, 381-383. 

 IVranual of determinative mineralogy and blowpipe analysis by G. J. 



Brush. Revised and enlarged, with new tables. 312 pp. New 



York : John Wiley «& Sons. 



1899. On the chemical composition of toiTrmaline (with H. W. Foote). Ameri- 



can Journal of Science (4), vii, 97-125. 

 On the chemical composition of parislte and a new occurrence at Ravalli 



county, Montana (with C. H. Warren). Ibid., viii, 21-24. 

 On some new minerals from the zinc mines at Franklin, New Jersey 



(hancockite, glaucochroite, nasonite. leucophoenicite, and note on 



chemical composition of ganomalite (with C. H. Warren). Ibid.. 



339-353. 



1900. On graftonite, a new mineral from Grafton, New Hampshire, and its 



intergrowth with triphylite. Ibid., ix, 20-32. 

 Siliceous calcites from the Bad Lands, Washington county, South Dakota 



(with W. E. Ford). Ibid., 352-354. 

 Chemical composition of sulphohalite. Ibid., 425-428. 

 The interpretation of mineral analyses, a criticism of recent articles on 



the constitution of tourmaline. Ibid., x, 19-32. 

 On some interesting developments of calcite crystals (with W. E. Ford). 



Ibid.. 237-244. 



1900. Contactgoniometer uud transporteur von Einfacher Construction. Zeit- 



sclu'. fiir Kryst., xxxiii, 548-554. 

 On the chemical composition of turquois. American Journal of Science 

 (4), X, 34(5-350. 



1901. The stereographic projection and its possil)ilities from a graphical stand- 



point. Ibid., i, 1-24. 

 Contributions to Mineralogy and Petrography. Yale Bicentennial Pub- 



