170 accounts, etc., of the british museum. 



Department of Geology. 

 T. — Arrangement and Conservation. 



Mammalia (Galleries 1 and 2). — The skulls of Zeuglodonts 

 have been arranged in a separate section of pier-case 4. 



The collection of Rhinoceridse and Titanotheriidse in pier- 

 case 8 has been cleaned, re-labelled, and partially re- arranged 

 to admit recent acquisitions. 



The collection of Suidse and Camelidse in pier-case 13 has 

 been cleaned and completely re-arranged and labelled, and 

 numerous specimens have been mounted on wooden stands. 

 A skull and other remains of Elotherium have been prepared 

 and mounted in one section of this case. 



Wall-ease 28 has been cleaned and re-arranged to accommo- 

 date some large bones of Elephas primigenius from Alaska. 



The remains of Elephas from India in pier-case 34 have 

 been mounted, re-arranged, and re-labelled. 



Numerous Tertiary Mammalian remains from British East 

 Africa and Baluchistan have been prepared for study. 



Number of specimens of Mammalia registered, 72. 



Aves (Gallery 2). — An important specimen of Ichthyornis 

 from the Chalk of Kansas, showing the sternum and associated 

 parts, has been prepared for study and exhibition. 



Number of specimens of Aves registered, 2. 



Reptilia and Batrachia (Galleries 8, 4, 5, 11). — The table- 

 cases of Ornithosauria have been re-arranged, while a new 

 specimen of Fterodactylus scolopaciceps and a plaster cast of 

 Dorygnathus have been added to the collection. 



A large new central case has been provided for the Jurassic 

 marine crocodiles. One skeleton of Steneosaurus and other 

 portions of skeletons of the same genus and oi Metriorhynchus, 

 from the Oxford Clay of Peterborough, have been mounted in 

 this case. 



Plaster casts of Dinosaurian footprints from the Wealden 

 of Crowborough, Sussex, have been mounted on the north wall 

 of Gallery 11. 



The skull of Triceratops, with other remains of the same 

 genus, has been mounted and labelled in a new central case in 

 Gallery 4. 



Part of, wall-case 8 has been re-fitted to accommodate a 

 plaster cast of the skull and mandible of Tyrannosaurus rex 

 from the Upper Cretaceous of Montana, U.S.A. 



Progress has been made in the preparation and arrangement 

 of the Leeds Collection of Oxfordian Marine Reptiles in wall- 

 cases in the S.E. Basement ; and the other unexhibited Plesio- 

 saurian remains have been removed to adjacent cases, in which 

 they are arranged and indexed. 



