394 Minerals 



1875. 



Total acquisitions 264, including : 



A collection of rock-specimens illustrating the geology of 

 Newfoundland : by exchange. 



A collection of Swedish rocks, including specimens of the 

 porphyries of Elfdalen : purchased. 



1876. 



Total acquisitions 1208, including: 



About 150 specimens of basaltic lavas, etc., from the Island of 

 Rodrigues, collected by Prof. I. Bayley Balfour, F.R.S., during 

 the "Transit of Venus" expedition of 1874-75: presented by 

 the Lords Commissioners of the Treasury. [These rocks were 

 described by Prof. N. S. Maskelyne, in Philosophical Transactions, 

 1879, vol. clxviii, pp. 296-301.] 



A collection of about 40 specimens of andesitic rocks from 

 Hungary : presented by Prof. J. Szabo. 



A large series (500 specimens) of volcanic rocks (andesites, 

 trachytes, basalts, etc.) from Italy, Lipari Islands, Hungary and 

 Bohemia : presented by Prof. J. W. Judd, C.B., F.R.S. 



A series of large polished slabs of Numidian marbles from the 

 quarries of Fratelli del Monte, Oran, Algiers : presented by 

 Cavaliere Giovanni Battista. 



A collection of Cornish el vans (70 specimens) : presented by 

 Mr. Thomas Davies. 



A collection of about 150 specimens of trachytes, basalts and 

 other volcanic rocks from New Zealand : by exchange. 



A rock-collection (about 100 specimens) from the Transvaal : 

 by exchange. 



A set of Vesuvian rocks (about 90 specimens) : purchased. 



1877. 



Total acquisitions 3148, including : 



A series of andesitic rocks from the districts round Schem- 

 nitz and Kremnitz, Hungary : presented by Prof. J. W. Judd, 

 C.B., F.R.S. 



A large series of gneisses, schists, slates, limestones, etc., from 

 north Greenland, Grant Land, etc., collected chiefly by Colonel 

 H. W. Feilden during Sir G. S. Nares's Arctic Expedition of 



