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THE LIVING WORLD. 
The Marakina ( Jacchus , or Midas rosalia ,) belongs to the region of the 
Amazon, and wears its hair brushed back from its forehead, like a typical pro¬ 
fessor of music. Its mane and its ruff are likewise quite conspicuous. 
The Black Marakina ( Jacchus , ox Midas chrysome Iasi) is a differently colored 
variety of the marakina. It is about six or eight inches in length, and very 
playful. 
marmosettes. 
The Brazilian Night Monkey {Nyctipithecus trivirgatus) is nocturnal, and 
somewhat of a howler. Its large eyes are surrounded with hair, like those 
of an owl. It passes the day in a sleep so sound that even handling it does 
no more than color its dreams of the night to come. It is quite small, but 
exceedingly quick and active. It is strictly one-wifed, and is never found 
except alone or in the company of its own immediate family. It secretes itself 
during the daytime in the hollows of trees, where for the most part it is undis- 
