SUCTION OF LIQUIDS. 
165 
trunk, when not in use, is coiled up in a spiral beneath the 
head; as is shown in fig. 87, representing the head of a 
Fig. 86 .—Chimpanzee drinking. 
Butterfly, a, of which the eye is seen at c, the base of the 
antennae at b , the palpi at e, and the trunk at d. In some of 
the Fly tribe, the trunk attains a length several times greater 
than that of the body, as shown in fig. 88, representing a 
dipterous (two-winged) insect from the Cape of Good Hope, 
which sucks the juices of a single kind of flower, the length 
of whose tube just equals that of its long proboscis. 
