DEPAETMENT OF GEOLOGY. 153 



C. — PLANT.E. 



A series of Cretaceous and Tertiary plant remains from 

 Kent. 



Five plant-remains from the Upper Cretaceous of West- 

 phalia, one Quercus, and four Thalassocaris. 



Twenty-two Plants from Chubut, Santa Cruz, &c. 



The total number of specimens acquired during the past 

 year (1899) has been as follows ; — • 



A. — Vertebrata : 



By Donation ----- 1,206 

 „ Purchase ----- 779 

 „ Exchange ----- 15 



2,000 



B. — Invertebrata : 



By Donation ----- 1,758 

 „ Purchase ----- 5,839 

 „ Exchange - - - - - — 



7,597 



C— Plants : 



By Donation 131 



„ Purchase - - - - - 52 

 ,, Exchange ----- — 



183 



Total Acquisitions in 1899 - - 9,780 



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 Dr. F. S. Harmer, m.a., University Museum of 

 Zoology, Cambridge, nine selected casts of fossil Reptilia, 

 prepared and coloured, for three fine examples of the 

 remarkable Lepidosiren paradoxa from the Amazons, and a 

 collection of Termites (about 80 species). 



With Mr. R. F. Damon, Weymouth, (1) some duplicate 

 Silurian fossils, part of the " Piper Collection," for a collec- 

 tion of Cambrian fossils from N. America, a large Gycadites, 

 some Reptilian remains and palates of Mesodon from Port- 

 land ; (2) a perfect egg of jEpyornis, for a set of white 

 plaster casts of Reptilian fossils. 



With Prof. A. Gaudry, Paris Museum, a set of casts of 

 Reptilian remains from the New Red Sandstone of Elgin, in 

 exchange for a series of figured examples of species of 

 Mastodon molars not represented in the British Museum. 



