494 
LIST OF THE PRINCIPAL PUBLICATIONS DEALING WITH THE PETROL(^GY 
OF THE ENGLISH LAKE DISTRICT. 
BY ALFRED HARKER, M.A., F.R.S., F.G.S. 
[For list of chemical analyses and partial analyses and a number 
of specific gravity determinations see Naturalist, 1899, pp. 53-58, 
149-154, 156.] 
I.— The Ordovician Volcanic Series. 
(a) Falcon Crag Andesite Group. — J. Clifton Ward, Q.J.G.S. (1875), 
XXXI., 407, and Geol. N. Part. Lake Distr. (1876), 13-19 ; 
Teall, British Petrography (1888), 282 ; Hatchings, Geol. 
Mag. (1891), 462, 463 (tuff). 
(b) Eycott and Ullswater Basalt Group (including some andesites 
and tuffs).— Ward, Q.J.G.S. (1875), XXXI., 406, 407, 
Geol. N. Part. Lake Distr., 20-23, and Monthly Microsc. 
Journ. (1877), XVIL, 239-246, PL CLXXXVII ; Bonney, 
Geol. Mag. (1885), 76-80; Teall, Brit. Petr., 225-227 ; 
Hutchings, Geol. Mag. (1891), 538-543 (basalts and ande- 
sites) ; Harker and Marr, Q.J.G.S. (1893), XLIX., 360-365 
and PI. XVIL, figs. 1-5 (metamorphism of basalts and tuffs 
near Shap granite) ; Harker, Petrology for Students (1895 
and 1897), figs. 43, 60, 67; and Q.J.G.S. (1894), L., 
331-334 (metamorphism by gabbro). Also Hutchings, Proc. 
Liverp. Geol. Soc. (1901), IX., 106-110 (cleaved tuffs of 
Buttermere and Honister). 
(c) Kentmere-Coniston Slate- Band. — Sorby, Q.J.G.S. (1880), 
XXXVL, Proc. 74-76; Hutchings, Geol. Mag. (1892), 
154-161, 218-223 ; Proc. Liverp. Geol. Soc. (1901), IX., 
106, 111, 112 (cleaved tuffs of Elterwater and Tilberthwaite). 
(d) Shap Andesite Group (with metamorphism near Shap granite).— 
Harker and Marr, Q.J.G.S. (1891), XLVIL, 293-301, 
PL XL, figs. 4-6 ; Harker, Petr. for Stud., fig. 40. 
