— 86 — 



Sardinia (Reprinted from the « Jour- 

 nal of the Washington Academy of 

 sciences », voi. V, pp. 359-391). Wa- 

 shington, 1915. 8°. 



Washington H. S. and Hillebrand W. F. 

 — Notes on certain rare copper mi- 

 nerals from Utah (From the « Ame- 

 rican Journal of science », voi. XXXV, 

 pp. 298-307). New-Haven, 1888. 8°. 



Washington H. S. — On igneous rocks from 

 Smyrna and Pergamon (From the 

 « American Journal of science », vo- 

 lume III, pp. 41-50). New-Haven, 

 1897. 8°. 



Washington H. S. — On kaersutite from 

 Linosa and Greenland (Repr. from the 

 u American Journal of science », vo- 

 lume XXVI, pp. 187-211). New-Haven, 

 1908. 8°.. 



Washington H. ì3. — On the basalts of 

 Kula (From the « American Journal 

 of science », voi. XLVII, pp. 114-123). 

 New-Haven, 1894. 8°. 



Washington H. S. — Solusbergite and 

 tinguaite from Essex county, Massa- 

 chusetts (Repr. from the « American 

 Journal of science », voi. VI, pp. 176- 

 187j. New-Haven, 1898. 8°. 



Washington H. S. — Some analyses of 

 italian volcanic rocks I. II (Repr. from 

 the « American Journal of science », 

 voi. VIII, pp. 286-294; IX, pp. 44-54). 

 New-Haven, 1899-1900. 8°. 



Washington H. S. — The analcite ba- 

 salts of Sardinia (From the « Journal 

 of geology », voi. XXII, pp. 742-753). 

 Chicago, 1914. 8°. 



