DEPARTMENT OF GEOLOGY. 



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The preparation of tlie fish-remains in drawers, to reduce the 

 specimens in size, is still in progress. 



Number of specimens of Pisces registered, 250. 



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

 registered, labelled and incorporated include Cambrian and 

 Ordovician Gastropoda from Newfoundland (Spath coll.) ; Car- 

 boniferous Gastropoda and Lamellibranchia from Durham and 

 Newcastle (Trechmann and Hazzledine Warren colls.) ; Devonian 

 Gastropoda and Lamellibranchia from Iowa (Fenton coll.); 

 Oxfordian Lamellibranchia from Villers-sur-mer (Rakowski 

 coll.) ; Jurassic, Cretaceous, and Tertiary Lamellibranchia from 

 France (Lowe coll.) ; Cretaceous Lamellibranchia from Colorado 

 (Colorado Univ.), and from Kansas (Sternberg coll.) ; Albian 

 Lamellibranchia from Surrey (Tinne coll.) ; Tertiary Lamelli- 

 branchia from Italy (J. Wright coll.); Tertiary Gastropoda and 

 Lamellibranchia from British East Africa (J. Parkinson coll.) ; 

 Eocene Lamellibranchia from Flanders (Campbell Smith coll.); 

 Eocene Gastropoda from Egypt (Beadnell coll.); Miocene 

 Gastropoda and Lamellibranchia from Jamaica (Worthington 

 Wilmer coll.); Pliocene Lamellibranchia from Corfu (Sordina 

 coll.), and Egypt (Petrie coll.); Post-Pliocene Gastropoda and 

 Lamellibranchia from Sardinia (Dehaut coll.) ; and Holocene 

 Gastropoda from Ightham, Kent (Lewis Abbott coll.). 



Additions to the exhibited series of Gastropoda and Lamelli- 

 branchia include the holotype of Trechmannia trochiformis, 

 Longstaff, 1912, from the Carboniferous Limestone of Durham 

 (C. T. Trechmann coll.); Inoceraraus intermedius from the 

 Chalk of Hunstanton, figured 1829, Ann. Mag. Nat. Hist., 

 vol. ii., p. 296; an example, three feet in diameter, of Inoceramus 

 platinus from the Chalk of Kansas (Sternberg coll.) ; a series of 

 opalised fossils of Upper Cretaceous age from New South Wales, 

 described R. B. Newton, 1915, Proc. Malacol. Soc, vol. xi., pi. vi. 

 (St. John Thackeray bequest) ; and an example of Scala rugulosa 

 from the Miocene of Patagonia (Gostling coll.). 



The accessions of Cephalopoda registered, labelled, and incor- 

 porated include Triassic Ammonoidea, Nautiloidea, and Belem- 

 noidea from Timor (Wanner coll.); Triassic Ammonoidea and 

 Nautiloidea from Bosnia (Hawelka coll.), the United States and 

 New Zealand (Trechmann coll.); Triassic and Jurassic Ammo- 

 noidea from Spitsbergen (Garwood and Gregory coll., W. T. 

 Reynolds coll.) ; Liassic Ammonoidea from Glamorganshire and 

 Liparoceras pseudo striatum, from Lyme Regis (Trueman coll.); 

 Oxfordian Ammonoidea from Villers-sur-mer (Rakowski coll.); 

 Jurassic Belemnites and Cretaceous Scaphites from the United 

 States (Colorado Univ.) ; Cretaceous Ammonoidea from Nigeria 

 (Falconer, Kitson, and Temple colls.). 



Additions to the exhibited series include Nautilus cf. daru- 

 pensis from the Turonian of Burghclere, Berks. (Withers coll.) ; 

 Hercoglossa aegyptiaca, from the Eocene of Mokattam (C. T. 

 Taylor coll.); Aturia aturi from the Miocene of Western Aus- 

 tralia, described by R. B. Newton, 1919. 



