74 



ACCOUNTS. &C.. OF Tllli BRITISH MUSEUM. 



On March 17th, Dr. Woodward gave a Grallery Lecture to the members of the 

 Geologists' Association on the fossil Edentata and Marsupialia in the H.E. Pavilion— 90 

 members were present. 



He also addressed 22 members of the Wesley Scientific Society in the Reptilian 

 Gallery on 24th March. 



On 7th April, Miss J. B. McLeod gave a demonstration to a class of 15 ladies. 



On 24th April, Professor P. Martin Duncan conducted a class of 12 students from 

 King's College, London, and on 8tli May a similar class of ten students, from the fsame 

 college, through the Department. 



On 9th June, Dr. Woodward delivered an address in the South-east Gallery to the 

 Employers' Mutual Improvement Societj^, Woolwich and Deptford. 



On 19th September, Professor Flower addressed 117 members of the International 

 Geological Congress, who were afterwards conducted in parties round the galleries. 



On 1st December, Dr. Woodward addressed 40 members of the Ealing^Microscopical 

 and Natural History Association " on the Pleistocene Mammalia of the Thames 

 Valley." 



The number of visits from students and persons who have consulted the Collections 

 -and the Library for purposes of scientific research during the year, and who have 

 received special assistance from the staff of the Department, was 3,111. 



Henry Wvoclivurd. 



Department of Mineralogy. 



During the year 1888 a new and enlarged edition of the Guide to the Meteorites has 

 been issued. 



The work of replacing written locality labels in the collection by uniform printed 

 labels has been completed; 8,358 locality labels have been received from the printers. 



26 labels for species, pseudomorphs, and specimens in the introductory cases, have 

 been printed and placed in the collection. 



The manuscript of a new set of variety labels for the entire mineral collection has been 

 prepared. 



The whole of the mineral specimens In the reserve collection has been provided with 

 written locality labels where these were required; and 291 drawers belonging to the 

 reserve collection have been sup)plied with clean trays. 



All the specimens belonging to doubtful species and varieties have been transferred 

 from the Pavilion to drawers beneath the window cases, have been re-arranged, and have 

 been provided with new written labels. 



The specimens in the cases containing diamond and graphite have been re-arranged. 



The large pieces of flexible sandstone have been transferred to special brackets in the 

 Pavilion. 



'I he descriptive catalogue of the specimens of Stibnite has been continued, and 61 

 crystals of this and other minerals have been measured. 



A complete description of the chemical and crystal! ographic work done upon the Red 

 Silvers has been written. 



The Percyllte and its associated minerals from Sierra Gorda, Bolivia, have been che- 

 mically and crystallographically examined. 



Kaolin from Tremadoc, and the fine series of twinned calcites from Egremont in Cum- 

 berland, have been crystallographically examined and described. 



A report has been made relative to the Alabaster sculptures at Bloomsbury. 



186 rock sections have been examined microscopically and the specimens and sections 

 have been labelled, named, and catalogued ; the collection of rocks brought by ]\Ir. Ridley 

 from Fernando Noronha, and a collection of Swedish rocks have been examined. 



The work of arranging the rock sections in a new cabinet has been continued. 



The duplicate fragments of Meteorites have been weighed, placed in glass-topped boxes, 

 and a list of their respective weights prepared. 



Three quantitative and 88 qualitative analyses of specimens of Red Silver have been 

 made ; 70 doubtful mineral specimens have been qualitatively examined and determined ; 

 and several specific gravity determinations have been made. 



A series of heavy solutions (or determination of the specific gravity of minerals has been 

 prepared, and num.erous chemical re-agents have been purified by re-crystallisation. 



179 rock sections, 8 meteorite sections, and 4 sections of minerals have been prepared j 

 9 large slices of meteorites and 34 small pieces for exchange have been cut. 



A large face of the Youndegin meteoric iron has been filed down and polished. 



The preparation of a special meteorite register has been continued, and the lists of 

 meteorites in other collection^: have been collated. 



