Biographical Notes 73 



one 19. The average attendance had fallen from 16-5 

 to 13-5. 



PROFESSOR PETER MARTIN DUNCAN, of Scotch ancestry, but 

 born at Twickenham on April 2oth, 1821, was educated, partly 

 abroad, partly at King's College, London, from which he graduated 

 as M.B. in 1846. While practising at Colchester he studied natural 

 history and archaeology, besides taking an active part in municipal 

 affairs. Removing to Blackheath in 1860, he was appointed Pro- 

 fessor of Geology at King's College in 1870, and then to a similar 

 post at Cooper's Hill. Elected F.R.S. in 1868, he became President 

 of the Geological Society in 1876, and received its Wollaston Medal 

 in 1881. He did a large amount of miscellaneous zoological and 

 geological work, especially on the corals and echinids, and when 

 he died at Gunnersbury on May 28th, 1891, after a prolonged painful 

 illness, left the reputation of a good palaeontologist, an excellent 

 teacher, a genial companion, and a true friend. 



SIR JOHN HENRY LEFROY, son of the rector of Ashe, Hants., 

 was born on Jan. 28th, 1817, and obtained a commission from 

 Woolwich in the Royal Artillery. From 1840 to 1844 he was engaged 

 on a magnetic survey at St. Helena, from which he was transferred 

 to Toronto and employed for eighteen months on similar work in 

 northern Canada, during which he underwent many hardships but 

 obtained results of great accuracy and value, together with observa- 

 tions cf the Aurora borealis. After returning to England in 1853, 

 he became confidential adviser on questions of artillery to tnfe 

 Duke of Newcastle, favouring the rifled gun, but was sent to Scutari 

 in the autumn of 1855 to inspect the hospitals. Later on, he 

 was appointed Director-General of Ordnance, resigning the post 

 early in 1870, when he became Major-General and received a C.B. 

 Next year he went to Bermuda as Governor, where he proved to 

 be an excellent administrator, and on retiring in 1877 was created 

 K.C.M.G. From 1880 to 1882 he held the same position in Tasmania, 

 and in the following year published the results of his magnetic work 

 in Canada. 1 He was elected F.R.S. in 1848, and wrote many valuable 

 papers on magnetic and kindred subjects. Late in life he retired 

 from London to Cornwall, where be died near Liskeard on April nth, 

 1890, regarded by his many friends as a man of real ability, who 

 was no less gentle than firm, was a sincere Christian, and a most 

 attractive companion. 



PROFESSOR HENRY NOTTIDGE MOSELEY, son of Canon Moseley, 

 well known for his theory on the motion of glaciers, was born at 



1 In 1884 he revisited that country with the British Association, and the 

 writer remembers him pointing out from a steamer on Lake Huron a 

 place on the shore from which a shot had been fired at him when engaged 

 on his survey nearly forty years previously. 



