154 ACCOUNTS. ETC., OF THE BRITISH MUSEUM. 



Four hundred and seventy-nine plant-remains from the 

 Silurian and Carboniferous formations oi N. Wales and 

 Lancashire (part of the G. H. Morton Collection). 



The total number of specimens acquired during the past 

 year has been as follows : — 

 A. — Yertebrata : 



By Donation ----- 213 



Purchase - • - - - - 1,406 



„ Exchange ----- 3 



B. — Invertebrata : 



By Donation ----- 469 



„ Purchase 8,552 



1,622 



Exchange 



9,021 



C. — Plants : 



By Donation ----- 10 



„ Purchase ----- 573 



„ Exchange ----- — 



583 



Total Acquisitions in 1900 - - 11,226 



VIII. — Exchanges and Gifts of Duplicates. 



The following exchanges and" gifts of duplicates, which 

 were sanctioned by the Trustees, have been completed during 

 the past year, namely : — 



{a.) Exchanges. 



With M. P. Petitclere, 60 duplicate specimens of British 

 Inferior Oolite fossils in exchange for 93 specimens of 

 Mollusca, Brachiopoda, &c. from the Lower Bajocian of 

 Haute-Saone sent to the Museum by M. Petitclere. 



With the Kev. Dom. Gregoire Fournier, Benedictine Abbey 

 of Maredosius, Belgium, a' coloured cast of Archceopteryx, in 

 return for two portions of the Platysomid fish, Benedenius 

 deenensis from Lower Carboniferous of Belgium, and a 

 plaster cast of the original figured specimen. 



(b.) Gifts of Duplicates. 



To the Museum of the University of Toronto, 158 duplicate 

 fossils for the use of the Professor of Geology, Dr. Kamsay 

 Wright, in teaching Biology. 



To the Durham College of Science, Newcastle-on-Tyne, 

 eight duplicate fossils (two Echinoderms and six Cephalopoda) 

 for the use of Prof. G. S. Brady, F.R.S., in teaching Biology. 



