116 ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



work of attending to visitors, correspondence, conservation 

 and arrangement of specimens has been devoted to the 

 working out and description of the Hadromerine and 

 Halichondrine Sponges collected by the " Discovery " in the 

 Antarctic ; the report upon the Hadromerina being illustrated 

 by five quarto plates, and the Halichondrina by ten quarto 

 plates. 



The Sponges collected by the Third Tanganyika Expedition 

 have been described and figured.. 



A second edition of the Guide to the Coral Gallery has 

 been prepared, giving a more full account of the Sporozoa 

 (including the blood parasites of Malaria and Sleeping 

 Sickness). 



In the course of working out the " Discovery " Sponges, 

 a large number of preparations of other Sponges have been 

 made ; these will form part of a general collection of prepa- 

 rations of the whole collection of Sponges, which will be of 

 great use to students of this group. 



II. — Duplicates and Exchanges. 



Duplicates have been presented to the Infants' School, 

 Sandy, Bedfordshire ; the Municipal Art Classes of Leo- 

 minster, Ludlow, and Letchworth ; the Chadwick Museum, 

 Bolton ; Rev. Canon Horsley ; the Technical Education 

 Board of the London County Council ; the Royal College of 

 Surgeons ; the Derby and Edinburgh Museums. 



Exchanges have been effected with the Museums of Paris, 

 Berlin, Dresden, Basle, Genoa, Singapore ; the Indian Museum, 

 Calcutta ; the Selangor State Museum ; the Field Museum 

 of Natural History, Chicago ; the Hungarian National 

 Museum ; and with M. Antoine Grouvelle, Dr. Norman Joy, 

 Dr. M. Cameron, Messrs. Philip de la Garde, A. J. Chitty, 

 H. K. Donisthorpe, H. Munt, H. B. Preston, 0. E. Janson, 

 Major R. Sparrow, Prof. F. Guitel, Dr. W. Wolterstorff, 

 Prof. Bouvier, Dr. A. E. Ortman, and Prof. Joubin. 



III. — Departmental Library. 



One hundred and eleven separate works in 163 volumes, 

 new to the Library, and 1,187 parts of periodicals and works 

 in progress have been acquired during the year by purchase, 

 presentation, and exchange. Two hundred and ninety-three 

 books have been bound. The Library now contains 11,021 

 separate works in 17,433 volumes. 



The work of collating, press-marking, and entering in the 

 Catalogue of all acquisitions has been performed as usual. 



IV. — Fuhlicatiovs. 



In addition to the Catalogues already referred to, published 

 by the Trustees, the following reports and descriptive papers 

 have been prepared in connection with various parts of the 



