THE COMMON TICK. 93 
t 
(fig. 58, plate IX) which seemed to issue from the wrong 

Fig. 61.—Young tick. Enlarged. 
Original. 
end of the animal. By looking 
at fig. 59, plateIX, it willbe seen 
that the opening of the sexual 
organs, , is situated between the 
haunches of the first pair of legs, 
and close to the mouth. Many 
thousands of eggs were laid by 
each female, which hatched in the 
course of three or four weeks. 
The young ticks remained for 
some time huddled together (fig. 
60, plate IX) and appear en- 
larged, as in fig. 61. They show already upon the margin of 
the abdomen plates of chitin which enable them to greatly 
expand withfood. Male and female ticks are shown in fig. 

Fig. 62.—Common tick before and aftera meal. Greatly en- 
larged. Original. 
55, plate IX, just as they were removed from a dog. The 
mouth-parts of this species, described before, are shown in 
fig. 56, and the illustration (fig. 62) shows the tick before 
and after a meal. The outline of the tick filled with blood 
