DEPARTMENT OF GEOLOGY. 199 



Number of specimens of Reptilia and Batrachia registered, 

 159. 



Pisces (Gallery 6). — A series of large specimens of 

 Chimseroids and Batoid Selachians have been mounted on one 

 side of the new upright case in the middle of the gallery. 



Numerous Chalk Fishes, both English and American, have 

 been extricated from the matrix and prepared for study. 

 Specimens of Saurodon and Stratoclus have been added to the 

 exhibited collection in wall-case 16. 



Number of specimens of Pisces registered, 222. 



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

 lopoda registered and labelled include : — Ordovician and 

 Silurian Nautiloids from Bohemia (Kloucek & Mascke colls.) ; 

 Devonian Ammonoids from the South of France (C. Escot 

 coll.) ; Ammonoids from the Carboniferous Limestone of 

 Ireland, including several types and many figured specimens 

 (Joseph Wright coll.) ; Cephalopoda from the Trias of Germany 

 (Mascke coll.) and Asia Minor (W. Endriss coll.) ; Jurassic 

 Ammonites from France (Valabregue coll.) ; Asia Minor 

 (Manissadjian coll.) and Chile (Michael coll.) ; a Dibranchiate 

 Cephalopod from the Lithographic Stone of Bavaria ; speci- 

 mens from the Cretaceous rocks of England (Kent, Oxford- 

 shire, and Yorkshire), Ireland (Donaldson and J. Wright colls.), 

 Germany (A. Schrammen and E. Mascke colls.), Tunis (Spath 

 coll.), and the Lebanon (Gollmer coll.). 



Additions to the exhibited series include : — A large British 

 Chalk Ammonite, mounted in a special case between wall-cases 

 3 and 4; a large Ammonite (wall-case 4), a Scaphite (wall-case 

 3), a Turrilite (wall-case 3), and a Nautilus (wall-case 2), from 

 the Cretaceous rocks of Hanover ; and various British Carboni- 

 ferous Nautiloids (table-case 2). 



The portion of the Gilbertson Collection of Carboniferous 

 Cephalopoda removed from Gallery 11 has been incorporated 

 with the General Collection in Gallery 7, and some of the 

 specimens have been mounted and exhibited in table-case 4. 



The slip-catalogue of type and figured specimens of 

 Cephalopoda has been continued. 



The Palseozoic Gastropoda and Lamellibranchia registered, 

 labelled, and incorporated include : — Gastropoda from the 

 Ordovician of Bohemia, including the type of H elmintho chiton 

 cequivoca, Robson (Kloucek coll.) ; Gastropoda and Lamelli- 

 branchia from the Carboniferous Limestone of Ireland, 

 including several types and many figured specimens (Joseph 

 Wright coll.), and Lamellibranchia from the Devonian rocks 

 of Devon. 



All the British Devonian Mollusca have been examined and 

 their nomenclature revised ; of these, 136 have been mounted, 

 labelled, and arranged in table-case 15, Gallery 8, and the rest 

 are being arranged in drawers beneath table-case 16, Gallery 8. 



