143 
2. Femur. 
3. Tibia. 
4. Tarsus, consisting of five segments, the last 
of which carries the claws or ungues. 
Fig. 54. Fore Ungues of M. funesta ( S ) the larger Unis err ate. 
Fore Ungues of M. rossi (£) the larger Biserrate. 
(After Theobald) 
The Ungues .—The ungues vary in the male and 
female and in the different legs. They may be simple, 
uniserrated or biserrated (rarely triserrated) (Fig. 
54). They are of specific value (Theobald). 
The Abdomen 
The abdomen consists of nine segments. To the 
ninth segment are attached the genitalia. 
The genitalia are variously shaped lobed appen¬ 
dages. In the male they are provided at their free 
end with claspers. The claspers in the male are of 
specific value (Fig. 55). 
Fig. 55. Male Genitalia 
