CLAYS OF KEW YOKE 909 



Branner, J. 0. Bibliography of clays and the ceramic arts, 



Bull. U. S. geol. sur. no. 143. 1896. 



Chamherlin, T. C. GeoL of Wisconsin. 1877. 2: 235; 1883. 



1: 668 (a). 

 Describes Milwaukee brick and clay. 



CooJc, G. FL Clays of l>^ew Jersey, ^N. J. geol. snr. 1878 (a). 



Cooh, B.^ A. Manufacture of firebrick at Mt Savage, Md. 

 Trans. Amer. inst. min. eng. 1886. 14: 698 (h). 



Cox J -E'o T. Porcelain, tile and potter's clays. Ind. geol. sur. 

 1878. p. 154 (a). ■ 



Crary, J. \Y., sr. Brickmaking and brickbuming. Indian- 

 apolis. 



Crawford, J. ISTotes on California clays, 13th ann. rep't Cal. 

 state mineralogist. 



Davis, C. T. Bricks, tiles and terra cotta. Phil. 1889 (&). 



Dummler, K. Die Ziegel und Thonwaaren Industrie der Ver- 

 einigten Staaten. Halle 1894. 



Handbuch der Ziegel Pabrikation. Halle 1897 (&). 



Oriffen, H. H. Clay glazes and enamels. Indianapolis 

 1895 (&). 



Hecht, H. 

 Articles on clay in Dammer's chemical technology. 



Hill, R. T. Clays of the United States. * Mineral resources. 

 IT. S. geoL sur. 1891. p. 474 (a). 



Hofman & Demond. Tests on the refractoriness of fireclays. 

 Trans. Amer. inst. min. eng. 1895. 24:42 (h). 



■ Further experiments to determine tlie fusibility of 



fireclays. Ibid. 25: 3. 



Hofman, H. 0. A modification of Bischof's method for deter- 

 mining the refractory character of fireclays. Ibid. 26. 



• Does the size of grain affect the refractory character 



of fireclays? Ibid. 26. 



Holmes, J. A. The kaolin and clay deposits of ISTorth Carolina, 

 Trans. Amer. inst. min. eng. 1896. 25: 929 (a). 



Hopkins, T. C. The clays of western Pennsylvania. Ann. 

 rep't Pa. state college. 1897 (a). 



