INDEX. 
Abney Captain, R.E., F.E.S.“On Photographs of the Ultra-red portions 
of the Solar Spectrum, p. 49, 
Axon William E. A,, M,R.S.L., F.S.S. — On the History of the word 
Telegraph, p. 182. 
Bailey Chaeles, F.L.S.—Oii specimens of Ophioglossnm Vulgatum, 
L., var. /3. ambiguum, Coss. et Oerm., p, 34. 
Baxendell Joseph, F.E.A.S. — Eesults of observations of the double- 
period Variable Star E SagittaB, p. 120. Note on Three New 
Stars, p. 171. Eesults of observations of the Variable Star T 
Aquilee, p. 200. 
Binney E. W., F.E.S., F.G.S.- — Notes of some Fossils from the Iron 
Mines of Furness, p. 5. On the Meteor of November 11th, 1879, 
p. 31. A Curious Eainbow, p. 74. Notes on a Bore through 
Triassic and Permian Strata, lately made at Openshaw, p. 98, 
On a Eucalyptus Globulus at Douglas, Isle of Man, p. 157. 
Black W. J. — On a New Form of Marine Eain Gauge, p. 51. 
Bottomley James, B.A., D.Sc,~On Colorimetry, Part III., p. 11. On 
some Notices in Classical Authors of the Action of Sunlight on 
Purple Dye, p. 33. Colorimetry, Part IV., p. 164. Colorimetry, 
Part V., p. 190. 
Cockle Sir James, F.E.S.— On the ^Differential Calculus’ of Du 
Bourguet, p. 9. On a Proposition of Du Bourguet, p. 181. 
Dawkins Professor Wm. Boyd, F.E.S. — On the Geography of the 
British Isles in the Meiocene Age, p, 40. 
Geimshaw Haeey, F.C.S. — On a Peculiar Feature in the Water of the 
Well in Carisbrooke Castle, Isle of Wight, p. 44. 
