The smaller figure of the plate denotes the 

 natural size, and the figures beneath it exhibit 

 magnified representations of some of the oral 

 organs, &c. 



Fig. 1. Antenna. 



2. Mandible. 



3. Tongue and labium supporting the 



labial palpi. 



4. Labial palpus. 



5. Maxilla with its palpus, verticillato 



with short hairs. 



PLATE VII. 



