DEPAHT.MKNT OF GEOLOGY. 131 



A dental engine has been procured with proper Innishes, 

 and it has been found very convenient for developing minute 

 organisms and structures in fossils, as Chalk Bryozoa, various 

 Erachiopoda and Echinodei mata. 



VI. — Printing Labels. 



The preparation and printing of labels has been continued 

 in the Department, not only for the Palseontological Col- 

 lections and for the Introductory series in the Central Hall, 

 but also for the Mammalian Gallery now under rearrange- 

 ment. 



For the Introductory series in the Central Hall, 184 

 descriptive labels and 449 general labels have been composed, 

 and 4,.353 copies struck off. 



For the Mammalian Gallery, Department of Zoology, 238 

 descriptive labels and 141 general labels have been composed, 

 and 2,144 copies struck off. 



For the Fossil Mammalia, Aves, and Reptilia, twelve descrip- 

 tive labels and 303 general labels have been composed, and 

 2,331 copies struck off. 



For the Fossil Fishes 10 descriptive and 542 general labels 

 have been composed, and 3,63.5 copies struck off. 



For the Invertebrata and General Collections two descrip- 

 tive and 194 general labels have been setup, and 3,269 copies 

 have been struck off. 



The total number of labels composed during the year has 

 been as follows : — 



Long descriptive labels - - 446 



General (shorter) labels - - 1,629 



2,075 



Total number of copies printed off, 15,732. 



VII. — Acquisitions. 1. — By Donation. A. — Vertebrata. 



1. Mamiraalia. — One astragalus of Megatherium from the 

 Cretaceous of Bahia, Brazil. Presented by Joseph Mawson, 

 Esq., F.G.S. 



One tooth of Astrapotherium from the Santa Cruz Beds, 

 Patagonia. Presented by R. Lydekker, Esq., f.r.s., f.g.s. 



A series of small Mammalia, from the Brick-earth at 

 Erith, comprising Spermophilus erythrogenoides, Microtus 

 (Arvicola) gregalis, M. ratticeps, &c. Presented by F. C. J. 

 Spurrell, Esq., F.G.S. 



Two associated Molar Teeth of Hyopotamus hovinus, from 

 the Hempstead Beds, Bouldnor, Isle of Wight. Presented 

 by F. G. Spray. Esq. 



A Molar Tooth and part of Tibia of Mammoth Elephas 

 prir)iigenius, dredged up in making enlargement of Ports- 

 mouth Harbour. Presented by Major G. H. Exham, r.e. 



0.125. 12 A slender 



