THE HALL OF FOSSIL VERTEBRATES 



viving relatives and the habits of life for which the animals \ 



•i tilted. The general proportions of the animal, the 

 outlines and form of head and body and, to a great extent, the 

 expression of the features are usually accurately known from 



the fossil skeleton. The nature of the skin is sometimes but not 



n certainly known, and the coloring is always conjectural, 



• riogist and the artist having been guided bythecol- 



■ living relatives and the supposed habits of the animal. 

 The Window Transparencies are enlargements from j» : 



ns where the fossils occur, and generally show 

 the localities where unusually fine specimens in this hall \ 



d. The Expeditions sent out yearly to the Fossil Fields 

 carry with them a photographic outfit, and several hundred 



characteristic views have been taken, from which these have 



selected. The Pillar Cards and general Labels in the eases 



give detailed information about each group of fossils. ( )ne of the 



- in the centre of the middle aisle illustrates the method by 



which the fossils are collected and conveyed to the Museum. 



The Charts at each side of the entrance show the order in which 



the rock-Strata lie, one over another, and the kinds of fo 



h stratum. 





