DEPARTMENT OF GEOLOGY. 137 



II. — Work of Mason, Assistant Mason, and Wo7'kshdp 

 Attendant. 



A large number of fossil mammalian remains from Egypt, 

 and Greece (Pikermi) have been extricated from the matrix,, 

 hardened, and prepared for study or exhibition. 



Many moulds and plaster casts of Egyptian fossil Mam- 

 malia, belonging to the Geological Survey of Egypt, have 

 been made before returning the actual specimens. 



A model has been made of the large bones of the hind 

 limb of JEpyornis titan from Madagascar. 



The skeleton of an armoured Dinosaur, Polacanthus foxi,,. 

 has been prepared for mounting on ironwork. 



A slab of Lower Lias containing a fine skeleton of 

 Ichthyosaurus has been prepared. 



Various bones of the American Jurassic Dinosaurs, Bron- 

 tosaurus and Diplodocus, have been prepared for exhibition 

 VfiiY^ CetiosauTus leedsi. 



The preparation and mounting of the tail of Leedsid 

 prohlematica have been completed ; and the preparation 

 of some branchial arches of the same fish has been begun. 



The preparation of the Clark Collection of Devonian 

 Fishes from Ohio has been completed. 



Miscellaneous specimens have been reduced and prepared 

 before incorporation in the collection, notably a large series 

 from the Vicary Collection. 



Some large specimens of Carboniferous Plants have been 

 prepared for exhibition. 



Lord Avebury's eight models to illustrate an experiment 

 in mountain-building have been cleaned and fitted into a 

 frame for exhibition. 



The Workshop Attendant was absent for some time, by 

 permission of the Trustees, preparing fossil Vertebrata in the 

 Cairo Museum for the Geological Survey of Egypt. 



The Mason has made a few plaster casts of fishes for the 

 Department of Zoology. 



III. — Printing of Labels. 



The Museum Printer continues to devote one day each 

 week to the preparation of labels for the Department of 

 Geology ; but a Boy Attendant in the Department composes 

 and prints most of the labels, and has this year prepared 

 upwards of 1,550. 



IV. — Exchanges and Duijlicates. 



Exchanges of plaster casts and duplicate fossils have been 

 made with the following institutions : — National Museum, 

 Dublin ; Geological Museum, University of Vienna ; Royal 

 Bohemian Museum, Prague; and the Geological Survey of 

 Wiirttemberg, Stuttgart. 



