DEPARTMENT OF GEOLOGY. 175 



Porifera (Gallery 10). — Newly-acquired specimens (chiefly 

 small examples sorted from the large collections of Polyzoa) 

 from the Cretaceous of England and Riigen have been registered 

 and incorporated. 



Number of Porifera registered, 116. 



Protozoa (Gallery 10). — Large collections of Foraminifera 

 newly acquired from the Lias of Wiirtemberg (Issler Coll.), 

 the Cenomanian and Turonian of Dresden (Geisendorfer Coll.), 

 the Cenomanian of Cambridge, and the Senonian of Surrey 

 (Mockler Coll.), have been registered and labelled. 



Number of Protozoa registered, 3,947. 



Plantce (Gallery 10). — A selection from the Marcus Gunn 

 Collection of Jurassic Plants from Sutherland has been 

 mounted, labelled, and arranged for exhibition in table- 

 case 22. 



In connection with the Catalogue, progress has been made 

 with the revision of the Cretaceous plants, and numerous 

 microscope-sections of Cretaceous woods have been prepared. 



Number of specimens of Plantse registered, 327. 



Trades and Rock Specimens (Gallery 11). — The exhibited 

 collection in wall-case 8 has been cleaned and partly re-labelled. 

 Number of specimens registered, 33. 



II. — Duplicates and Exchanges. 



Duplicate fossils have been presented to the Goldsmiths' 

 College (University of London), Bethlem Hospital, and the 

 Museums of Peterborough and Barry. Duplicate specimens 

 from the Geological Society's Collection have also been 

 presented, with the sanction of the Council of the Geological 

 Society, to the Welsh National Museum and the Norwich 

 Castle Museum. 



Exchanges of duplicate fossils and plaster casts have been 

 made with the Royal State Museum, Stockholm ; the Minera- 

 logical Museum, University of Copenhagen ; the Royal Natural 

 History Cabinet, Stuttgart ; and also with Messrs. F. A. 

 Cudmore (Melbourne), E. B. Lotherington (Scarborough), 

 C. H. Joos (Stuttgart), and H. Andert (Ebersbach, Saxony). 



III. — Departmental Library. 



The additions to the Library, which have been registered, 

 stamped, catalogued, and press-marked, comprise 201 new 

 works and pamphlets, of which 46 were purchased and 

 155 presented ; 604 parts of serials in progress, of which 281 

 were purchased and 323 presented ; 122 sheets of maps were 

 acquired, 55 by purchase and 67 by donation, 17 photographs 

 were presented. 



Two hundred and six volumes have been bound, press-marked 

 and returned to the shelves. 2,224 visitors made use of the 

 Library. 



