DEPARTMENT OF GEOLOGY. 129 



B. — Invertebrata. 



Mollusca. — C c'phalo'poda (Gallery 7). — A short account of 

 " Ammonites and their allies " has been prepared, and is 

 exhibited with accompanying hgiires and illustrative speci- 

 mens in Table-case No. 57. 



Foui- Teuthidce, four Cretaceous Nautili, one Jurassic 

 Nautilus, twenty-two Ammonites and one Actinocei'as, 

 have been named and mounted upon tablets. One large 

 Baculites, one Ammonites, and two Jurassic Nautili have 

 been mounted upon blocks and labelled, and added to the 

 series in the Wall-cases. 



Two Baculites, nineteen Haymites, three Ihtrrilites, two 

 Anisoceras, two Crloceras, twelve Ancyloceras, three 

 hundred and sixty Amiiionites, and two T em.no eheilus, 

 have been mounted upon Tablets and placed in the Table- 

 cases. 



During the past year the number of fully named and 

 labelled specimens added to the Wall- and Table-cases in 

 Gallery VII. was 438. 



The total number of Cephalopods registered during the 

 year amounts to 7(33. 



Mollusca. — Gasteropoda and La tnellibranchiata (Gallery 

 No. 8). — In this Gallery the Foreign Collections of Tertiary 

 Mollusca have continued to occupy attention. A great 

 number of the larger specimens have been mounted on blocks, 

 with printed labels attached to each specimen, and arranged 

 in order in Wall-cases I., II., and III. The smaller speci- 

 mens are fixed upon tablets with written labels giving the 

 name, formation, and locality to each, and placed upon the 

 slopes. 



As many as 3,675 specimens have been so mounted and 

 displayed in the Wall-cases, whilst 1,385 named specimens 

 have been arranged in glass-covered drawers beneath the 

 Table-cases, for study and reference purposes. 



Additions have been made to the exhibited series of British 

 Mollusca, &c., from the following Collections, namely : — the 

 " Ogle Collection " of Tertiary Mollusca from Barton and 

 Bracklesham ; the " Caleb Evans Collection " from Cretaceous 

 strata; the " Jesson Collection" from the Greensand of Cam- 

 bridge, and the Oxford Clay, Northampton ; the " Monk 

 Collection " from the Inferior Oolite, Yeovil, &c. 



Of Foreign Mollusca may be mentioned a collection of Mada- 

 gascar fossils from the Rev. Richard Baron, F.L.S., F.G.S., 

 described by Mr. R. B. Newton, f.g.s. A series of fossils 

 from South Africa, part of the " Fraser Collection." A 

 selection of these specimens has been placed in the Wall - and 

 Table-cases, and the remainder in glass-topped drawers 

 beneath the Table-cases. 



0.97. I The 



