DEPARTMENT OF GEOLOGY. 179 



A new specimen of Ichthyosaurus from the Upper Lias of 

 Wiirtemberg, showing the skin and other soft parts, has been 

 mounted for exhibition in wall-case 15. Other specimens have 

 been rearranged to admit it. 



Plaster casts of skulls of Pariasaurus and Inostransevia, 

 from the Upper Permian of Russia, have been mounted on the 

 top of wall-case 10. 



New specimens of Chelonia from the London Clay have 

 been mounted and placed in wall-case 18. 



The large plaster casts of Archegosaurus in wall-case 19 

 have been framed. 



Progress has been made with the preparation of Triassic 

 Reptiles from South Africa and Cretaceous Reptiles from 

 Kansas, U.S.A. A skeleton of Tapinocephalus horn the Karroo 

 Formation has been mounted on ironwork. 



Number of specimens of Reptilia and Batrachia registered, 

 235. 



Pisces (Gallery 6). — Wall-case 14a, containing Pachycor- 

 mid fishes, has been completely refitted to admit new speci- 

 mens which have been framed for exhibition. 



The arrangement of the larger Tertiary fishes in wall-cases 

 17, 18 has been completed. 



The Traquair collection of Carboniferous fishes has been 

 registered, labelled, and incorporated. 



Various fishes from the English Chalk and other recent 

 acquisitions have been prepared for study and exhibition. 



Number of specimens of Pisces registered, 759. 



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

 lopoda registered, labelled, and incorporated include :~Ammo- 

 noidea and Nautiloidea mostly from the Devonian rocks of 

 Devon (A. Champernowne coll.) ; a large series of ammonites 

 from the Liassic rocks of England (Dorset, Gloucestershire, 

 Oxfordshire, Somerset, Warwickshire, Worcestershire, and 

 Yorkshire), and Wales (Glamorganshire), (R. F. Tomes, T. J. 

 Slatter, and S. G. Perceval colls.) ; large series of ammonites 

 from the Oxford Clay near Peterborough (E. T. Leeds coll.) ; 

 belemnites from the Jurassic rocks of Somaliland (H. T. Burls 

 coll.) ; Ammonoidea from the Cretaceous rocks of Kent (Dibley 

 coll.), I. of Wight (Bather coll.), and Galicia (Zuber exchange); 

 Belemnoidea from the Chalk of Hampshire (Bather coll.), and 

 of the Yorkshire coast (G. Sheppard coll.) ; and Nautiloidea 

 from the Danian of Denmark (Pindborg coll.). 



The principal addition to the exhibited series is a large 

 British Chalk Ammonite, mounted in the glass case between 

 wall-cases 3 and 4. 



Considerable progress has been made with a revision of 

 the whole of the Museum collection of British Lias Ammo- 

 nites, and a selection is being prepared for exhibition. 



The slip-catalogue of type, figured, and historical specimens 

 of Cephalopoda has been continued. 



0.69 N 



