The Inhabitants of the Aquarium 229 



arranged symmetrically in such a way, that 

 the two placed opposite each other have the 

 same shape, size and intensity of color. 

 These spots consist of a yellow center sur- 



Fig. ioi. Peacock-eyed Turtle, Clem- 

 mys irrigata, lower side. 



rounded by a circle varying from dark gray 

 to almost black. On young specimens these 

 markings are either missing altogether or 

 only more or less indistinctly indicated. The 

 head is short and very blunt, in expression 



