Genus Culex. 2.29 
other, and two terminal bristles and two lateral ones near the 
apex ; the head is much smaller than the thorax and provided 
with simple hairs only ; the eyes prominent. Thorax large, with 
lateral branched hairs (fig. 120, b) arising from the side of brown 
conical papillae. Abdomen composed of nine segments, the first. 

Fig. 121 
Culex tigripes, Grandpré. 
Posterior extremity of larva. 
six with lateral plumose hairs (fig. 120, a) arising from brown 
prominent papillae, flatter than those of the thorax; seventh 
segment devoid of the papillae ; the siphon (fig. 121) very short, 
arising from the eighth segment, serrated on its upper edge with 
long hairs and two rows of short spines on the lower, one row 
mixed up with the fan of hairs; ninth segment terminates in 
