DEPARTMENT OF MINERALOGY. 161 



Departmental Library. 



To the Departmental Library have been added continua- 

 tions of 27 periodicals (in 436 parts), 96 volumes of separate 

 works, and 92 pamphlets and parts of works ; of these, 9 

 periodicals (in 95 parts), 17 volumes of separate works, and 

 56 pamphlets and parts of works, were acquired by presenta- 

 tion or transfer. All of them, including 1,641 plates, have 

 been registered and stamped. 



Students. 



The number of visits recorded as made to the Department 

 for the purposes of consultation or study is 909. 



The Gallery being no longer reserved on particular days 

 of the week for use by students, and study-series having 

 been so arranged as to be directly accessible to the public, 

 and so labelled as to render reference to the staff for informa- 

 tion thereon almost completely unnecessary, it has become 

 difficult to distinguish, for statistical purposes, " Students " 

 of minerals from ordinary " Visitors," and stress can no 

 longer be laid on the distinction. 



Demonstrations. 



A demonstration on Precious Stones and Metals was 

 given by Mr. Fletcher to twelve members of the Selborne^ 

 Society on Saturday, March 12, and one on Meteorites to 

 twenty-one members of the Polytechnic Institution on 

 Saturday, November 26. 



Duplicates, 



Sixty duplicate mineral specimens have been given to the 

 Northampton Institute, Clerkenwell, and twelve to the 

 Department of Mines and Agriculture, Sydney, New South 

 Wales. 



Exchanges. 



Exchanges of specimens have been made with Sir 

 W. Crookes, f.r.s. ; the Mineralogical Museum, Copenhagen 

 (through Professor N. V. Ussing) ; the Technological 

 Museum, Sydney ; the Board of Education, South Kensington 

 (through Professor J. W. Judd, C.B., f.r.s.); the Imperial. 

 Museum of Vienna; and Mr. W. F. Petterd, of Launceston, 

 Tasmania. 



Accessions. 

 1,575 specimens have been acquired, namely : — 

 300 minerals, 1,263 rocks (including 960 collected in the 

 course of the recent " Discovery " Antarctic , EiXpediiion), and_ 



