DEPARTMENT OF GEOLOGY. 81 



Department of Geology. 



I. — A rrangement and Conservation. 



Mammalia (Galleries 1 and 2). — The collection o£ Lower Pliocene 

 mammalian remains from Pikermi, Greece, has been examined in 

 detail, and duplicates have been removed from it. The whole 

 collection has now been registered and incorporated. Skulls, jaws, 

 and limb-bones of Rhinoceros have been mounted and labelled for 

 exhibition in pier-case 8, and skulls and frontlets of Antelopes have 

 been similarly mounted and labelled in pier-case 16. 



Feet of the primitive rhinoceros Hyracodon, from the Oligocene 

 of Dakota, U.S.A., have been mounted and exhibited in table- 

 case 4. 



A fine pair of Antlers of Cervus belgrandi (C verticornis), from 

 the Forest Bed of Pakefield, Norfolk, has been restored and mounted 

 on the top of pier-case 13. 



The first stages in the preparation of the skeleton of Elephas 

 antiquus from Chatham have been completed, and a selection of the 

 bones has been placed on exhibition in pier-case 31. 



Number of specimens of Mammalia registered, 787. 



Aiies (Gallery 2). — The original specimen of Archceopteryx has 

 been further prepared, the right coracoid and the two pubes being 

 now completely exposed. 



The sternum of the largest known bird of flight (^Gigantornis 

 eaglesomei), from the Eocene of Southern Nigeria, has been prepared 

 and mounted in table-case 13. 



A slab of footprints of Dinornis has been prepared and placed 

 in wall-case 23. 



The miscellaneous European Pleistocene remains of birds in 

 drawers have been arranged and labelled. 



Number of specimens of Aves registered, 430. 



Reptilia and JBatrachia (Galleries, 3, 4, 5, 11).^ — Progress has 

 been made with the preparation of Triassic Reptiles from South 

 Africa and Cretaceous Reptiles from Alberta, Canada. 



A skull of the horned dinosaurian Monoclonius, from the 

 Cretaceous of Alberta, has been mounted, with a cast of its brain- 

 cavity, in wall-case 5. 



The unexhibited collection of Coprolites and remains of 

 Mosasaurians in the drawers have been arranged and labelled. 

 Miscellaneous other unexhibited specimens have also been labelled. 



Wall-cases 10 and 11 have been reconstructed to admit large 

 specimens of Amphibia and Anomodont Reptiles. 



Number of specimens of Reptilia and Batrachia registered, 78. 



Pisces (Gallery 6). — The fossil fishes contained in the Geological 

 Society's Collection have been registered, labelled, and incorporated. 



Several specimens of Lepidotus have been prepared and 

 mounted for exhibition in wall-case 9, and numerous slabs of fossil 

 fishes have been mounted in mahogany frames. 



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