DEPAflTMENT OF MINERALOGY. 225 



The following mineral names added to the Museum List 

 were previously not represented by specimens in the 

 collection : — 



Ampangabeite, barbierite, barytbiotite, betafite, chalco- 

 morphite, chillagite, cupromagnesite, delafossite, epidesmine, 

 fizeleyite, guaiiapite, hatchite, hokutolite, klementite, krugite, 

 lyonite, molysite, pyknochlorite, schuchardtite, vrbaite. 



The specimens acquired by presentation (arranged alpha- 

 betically according to donors) and by exchange, and a 

 selection of the more important of those obtained by purchase, 

 are as follows : — • 



Minerals. 



By Presentation : 



Calcite pseudomorphous after aragonite from north-west 

 Oklahoma, U.S.A. : hy Dr. T. J. Anthony. 



A unique group of ruby crystals from Upper Burma : 

 by A. L. Bacon, Esq. 



Plumosite from Foxdale mine, Isle of Man : hy Dr. John 

 Ball. 



Orthoclase (Baveno-twin) and muscovite from new Portu- 

 guese occurrences : hy Antonio Maria cC Oliveira Bello, Esq. 



Iron-pj'^rites with chalk and flint from Bognor, Sussex : 

 by F. A. Bowyer, Esq. 



Haematite (" kidney-iron-ore ") from Pawton mines, 

 St. Breock, Cornwall : hy Jaimes Blake Brown, Esq. 



Fibrous calcite from liilborough gravel pit, Great Yarmouth : 

 hy Col. E. A. Butler. 



Proustite crystals from Copiapo, Chili : hy F. H. Butler, 

 Esq. 



Graphite from Monte Brazil, Terceira, Azores: hy Col. F. A. 

 Chaves. 



A polishe(] slice of green zircon, showing banding, from 

 Ceylon : hy Sir Arthur H. Ghv^rch, K.G.V.O., F.R.8. 



Alstonite on barytes from New Brancepeth Colliery, 

 Durham : hy Messrs. Cochrane & Co., Ltd. 



A large group of crystals of smoky quartz from Bloomdale 

 China Clay Works, St. Stephens, Cornwall : 67/ /. M. Goon. 

 Esq. 



A mounted plate of phlogopite, showing pseudo-pleochroism 

 and absorption-figure: hy T. Crook, Esq. 



Pennant Collection : — A collection of minerals formed 

 between the years 1746 and 1798 by Thomas Pennant (1726- 

 1798), of Downing, Holywell, Flintshire, contained in an old 

 oak cabinet of 38 drawers. About 340 numbered specimens 

 are referred to in 3 vols of MS. Catalogue, written by T. 

 Pennant in 1757, which accompanied the collection, and about 

 430 unnumbered specimens are also preserved. The collection 

 0.75 p 



