DEPARTMENT OF GEOLOGY. 169 



A pelvis of Pliosaurus from the Oxford Clay of Peter- 

 borough has been prepared and mounted in case 0. 



A Plesiosaurian shoulder-girdle has been prepared and 

 mounted in wall-case 12, gallery 11. 



A slab of Rhynchocephalian and other footprints from the 

 Trias of Storeton, Cheshire, has been mounted in wall-case 11, 

 gallery 11. 



A skeleton of Geosaurus from the Lithographic Stone of 

 Bavaria has been prepared and framed for exhibition. 



Much progress has been made in the preparation and 

 a,rrangement of the Leeds Collection of Oxfordian Marine 

 Reptiles in cases in the S.E. Basement, which have now been 

 made dust-proof. 



Number of specimens of Reptilia and Batrachia registered, 

 186. 



Pisces (Gallery 6). — The Silurian and Downtonian fish- 

 remains in the drawers of table-case A have been examined 

 and re-arranged for the incorporation of recent acquisitions. 



The collection of Ftychodus from the Chalk, in the drawers 

 of table-case 8, has been examined and re-arranged, preparatory 

 to the revision of the exhibited series. 



Several newly-acquired specimens of Leindotus and allied 

 genera have been prepared for study and exhibition ; and 

 numerous Chalk fishes have been extricated from the matrix. 



A series of large Tertiary fishes has been framed for 

 exhibition in wall-cases 17, 18. 



All acquisitions during the year have been registered, 

 labelled, and incorporated. 



Number of specimens of Pisces registered, 180. 



Mollusca (Galleries 7 and 8, and Workroom). — The Cepha- 

 lopoda registered, labelled, and incorporated during the year 

 include : — Triassic Ammonoids from Austria and Asia Minor, 

 Ammonites from the Dogger of Switzerland, and the Lias of 

 Austria-Hungary; Scaphites from the Chalk of Yorkshire 

 (G. Sheppard Coll.) ; Belemnites and Nautili from the Chalk 

 of Yorkshire, Kent, and Surrey ; and Belemnites from the 

 Greensand of Faringdon, Berks. 



The Ammonites from the Speeton Clay of Yorkshire, and 

 the collection of Austrian Triassic Ammonoids, have been 

 examined and their nomenclature revised. 



The exhibited Nautiloids (except those from the Carbo- 

 niferous formations) have been re-arranged in wall-cases 

 1, 2, 13, 14, gallery 7 ; and the Carboniferous Nautiloids are 

 being arranged in table-case 2. 



The specimens of Aspidoceras from British Corallian rocks 

 have been re-mounted with newly printed labels in wall-case 9. 



