48 
LC)WBR MAMMAL GALLERY. 
Lower 
Gallery of 
Mammals. 
building ; the galleries which run backwards on the ground 
floor forming only a single story. 
The Lower Mammalian Gallery is entered from the western 
corridor of the Central Hall. Together with the adjacent 
corridor it contains the greater part of the exhibited series of 
recent mammals, with the exception of the Cetacea ; the orders 
Primates, Chiroptera, and Insectivora being in the upper 
gallery. As a special guide is devoted to these two galleries, 
a very brief notice will serve on this occasion. Both stuffed 
specimens and skulls and skeletons are exhibited side by side, 
although the former constitute by far the greater portion of 
the series. A few remains of extinct types, or plaster repro- 
FiG. 19. — Australian Duck-bill. 
duction of the same, are intercalated here and there. And 
photographs of living animals are hung on the walls, where 
will also be found some instructive series, showing the modi- 
fications assumed by the teeth of certain groups. Wherever 
possible, the horns and antlers of the ruminants, as well as 
the horns of the rhinoceroses, are placed in juxtaposition to 
the animals to which they respectively belong. 
The series commences on the right side of the gallery with 
the lowest forms. Down the middle is a row of large mammals, 
comprising, among others, various Deer, Giraffes, Elephants, 
and ]thinoceros(;s. On the right of the entrance a small case 
contains the Duck-bill (fig. 19) and Echidnas of Australia and 
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