ZOOLOGISCHER GARTEN, COLOGNE 75 



of the birds as well as for the pleasure of the visitors, 

 These plants help to improve the air. 



Passing the great fish-pond, which in summer is 

 ornamented with swans and in winter is very popular 

 for skating, we come to the piggery, a pretty building 

 in blue-gray basalt covered with natural red tiles. 

 Each pig has a roomy eating and drinking trough, 

 and is kept clean and free from smell. The floors are 

 on a slant, and the drainage is excellent. Here are 

 wart-hogs, some European wild boars (huge animals), 

 small peccaries, and the brilliantly - coloured red 

 river-hog. Next door are the birds of prey. Their 

 building contains fifteen large flying cages, the one in 

 the middle being the largest. At both ends of the 

 rows of cages are twenty smaller cages. The great 

 flying cages contain trees and a brook of flowing water. 

 There are huts for nests built into the walls. The 

 small cages are built of stone with bars in the front ; 

 shrubs are put into each. 



There are two sorts of vultures, thirty species of 

 hawks, and ten of owls. 



A bridge of stone close to the eagle rocks connects 

 the old part of the Garden with that of the new. 

 The street below has not been destroyed, doubtless 

 owing to its historic character. From the bridge 

 there is a beautiful view over the Miihlheim heath of 

 the town beyond. Five-sixths of the space of the new 

 part of the Garden is taken up by a large lawn covered 

 with shrubs. At the end of this we come to the sea- 

 lion grotto ; the Garden guide calls it the chef-d'oeuvre 

 of the Garden. From a large rockwork overgrown 

 with moss and plants the water flows into a basin 



