THE COMMON TICK. 



93 



(fig. 58, plate IX) which seemed to issue from the wrong 



end of the animal. By looking 

 at fig. 59, plate IX, it will be seen 

 that the opening of the sexual 

 organs, h, 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 

 €xpand with food. Male and female ticks are shown in fig. 



Fig-. 61. — Young tick 

 Original. 



Enlarged. 



Fig. 62. — Common tick before and after a 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 



