332 NOTES OF A NATURALIST. 



especially those of the Lepidopterous insects — butter- 

 flies and moths — that adorn this region. By attention 

 to the habitual food of the various species, he has 

 succeeded in keeping in his house the caterpillars that 

 in due time produce the perfect insect, and has pre- 

 served in cabinets large collections of fine specimens. 



At the suggestion of the friend who accompanied 

 me, Mr. Doer was good enough to introduce me to 

 the family of small monkeys which he has raised and 

 domesticated. The senior members had been brought 

 from some place in Northern Brazil, but they had 

 multiplied, some of the offspring being born in his 

 house, and now formed a rather numerous party. The 

 creatures habitually passed the day in the forest, never, 

 in Mr. Doer's belief, wandering to a distance from the 

 house, and at night came in and nestled among the 

 rafters of the roof The call was by a peculiar note, 

 somewhat resembling a low whistle, repeated two or 

 three times, and before a minute had elapsed the little 

 creatures came swarming about the open window-. 

 They were decidedly pretty, their large black eyes 

 giving an impression of intelligence, but I did not 

 detect any indication of attachment to their master. 

 I cannot say to what species they belonged. They 

 had large ears like those of the marmoset, but differed 

 in having a prehensile tail. One of them hung with 

 his head downward, suspended by the tail from some 

 projection above the window. After receiving some 

 fragments of sweetmeat they soon departed, returning 

 to their favourite haunts among the trees of the forest. 

 Starting early one morning, and reaching the crest 

 of the range that divides Petropolis from the Bay of 



