142 ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



The total number of specimens acquired during the past 

 year has been as follows : — 



A. Vertebrata : 



By Donation ----- 340 



„ Purchase - - - - 2,398 



„ Exchange - - - - 74 



B. Invertebrata : 



By Donation - - - - 2,317 



„ Purchase - - - -^ - 6,135 



„ Exchange - - - - 2 



C, Plantje : 



By Donation 59 



„ Purchase ----- 623 



„ Exchange ----- — 



2,812 



8,454 



682 



Total Acquisitions in 1893 - - 11,948 



VIII. — Exchanges. 



The following exchanges have been sanctioned by the 

 Trustees, namely : — 



Fifteen specimens of the spines and bones of the genera 

 Homosteus and Heterosteus, from the Russian Devonian, 

 received from Professor F. Loewinson-Lessing, of the Dorpat 

 University, in exchange for 50 duplicate Fish-remains and 

 Invertebrata. 



Five selected specimens of fossil fishes from Solenhofen, 

 obtained from B. Stiirtz, of Bonn, in exchange for seven 

 duplicate fossils and a cast of Pariasaurus Bainii, Seeley. 



Casts of 14 limb-bones, two teeth, and an entire mandible 

 of Elasmotherium Sibiricum, received from Professor A. 

 Pavlow, of the University of Moscow, in exchange for 19 

 duplicate casts of fossils made from originals in the Geo- 

 logical Department. 



Thirteen casts, carefully prepared and coloured, of fossil 

 bird-bones from Mauritius, described by MM. Newton and 

 Gadow, sent by the Anatomical Museum, Cambridge Univer- 

 sity, in exchange for a cast of the Solenhofen Archceopteryx. 



IX. — Lectures and Demonstrations, 



Dr. Woodward took Miss Mizen's school around the Geo- 

 logical Gallery on 10th April, giving them a demonstration. 



Dr. 



