590 AUDITORY APPARATUS OF THE MOSQUITO. 
vided with lunate eyes, between which in front superiorly are 
found two pyriform capsules nearly touching each other, and 
having implanted into them the very remarkable antenne. 
“ The capsule, measuring about 0°21 mm., is composed of a horny 
substance, and is attached posteriorly by its pedicle, while anteriorly 
it rests upon a horny: ring, united with its fellow by a transverse 
fenestrated band, and to which it is joined by a thin elastic mem- 
brane. Externally it has a rounded form, but internally it resembles 
a certain sort of lamp shade with a constriction near its middle ; 
Auditory Apparatus Of the Mosquito. 
and between this inner cup and outer globe there exists a space 
except at the bottom or proximal end, where botl 
“The antenne are of nearly equal length in th 
female. 
“In the male, the antenne is about 1°75 mm. in 
consists of fourteen joints, twelve short ‘and nearly equ ther) 
two long and equal terminal ones, the latter measuring Spt 
0-70mm. Each of the shorter joints has a fenestrated § jorly: 
with an external investment, and terminates simply poor ss 
} are united. 
e male and th 
p 
t 
length, and 
and 
l, 
