36 Harker: Chemical Notes on Lake District Rocks. 
. (26). 74°88. Kentmere, below reservoir: ash-slate (extracted). 
(27). 61°75. Grasmere, quarry: ash-slate 
(28). 77°40. The same extracted. 
(29). 62°43. Near Ullswater, on road to Matterdale: andesite. 
(30). 53°10. Wasdale Pike, near eae granite: highly meta- 
morphosed basic tu 
he above ssa ae cover all the published chemical 
information that I have been able to discover concerning the 
Lake District volcanic series. The following are new. They 
are in all cases only silica-percentages, and to most of them 
I have added specific gravities taken on the specimens analysed. 
The first five determinations were made by students of Owens 
College, Manchester, under the supervision of Dr. A. Harden. 
(31). 69°48. Illgill Head, Wastwater, on N.E. slope: compact 
rock with lenticular streaky structure; sp.gr. 
2°682. 
(32). 48°68. Iligill Head, S.W. side, near Devil’s Slidegate: 
porphyritic basalt of Eycott type; sp.gr. 2°7 
(33). 56°2. Great Barrow, Boot: a highly metamorphosed eit 
lier resting on the Eskdale granite; sp.gr. 2°790 
(34). 63°r. Upper part of Eskdale: hornstone (altered fine 
tuff); sp.gr. 2°755 
(35). 66°59. gies Fell, a little S. i summit: dark garnetiferous 
ock ; ek sgr- 2 "704: 
The seventeen role ges which follow are by Mr... J. 
Garwood. 
(36). 52°6. Galleny Force, Greenup Gill: basalt; sp.gr. 2°757. 
(37). 52°95. Brimfull Beck, Overbeck, Wastwater: porphyritic 
basalt; sp.gr. 2°738. 
(28), 53°A5. een Beck, Mardale: pormiuctiie basalt (Eycott 
type) ; sp.gr. 2°736. 
(39). 54°6. opera Pass, Mardale; porphyritic basalt; 
sp.gr. 2°776. 
(40). 58°65. Pooley, Ullswater: andesite; sp.gr. 2°708. 
(41). 61°45. Stoneside Fell, Bootle, N. slope: andesite. 
(42). 62°95. Whiteside Bank, Helvellyn: porphyritic andesite ; 
: Sp-8t- 2°744- 
(43): 56°95. Fordingdale Force, Measand Beck, Haweswater: 
crushed porphyritic lava. 
(44). 61°95. Crags Mill, Shap: crushed porphyritic lava. 
(45). 66°95. Frith Wood, Rosthwaite: crushed lava, garneti- 
ferous. 
(46). 76°95. Frith Wood: breccia. 
(47). 54°6. Borrowdale quarries: agglomerate-slate. 
(48). 53°45. Honister quarries: ash-slate 
es 
Lar ee eee Se 
