54 



MYRIAPODA 



MYRIAPODA. 



1. Lithobius. Ventral view. Antennae; head; ist body segment, with poison claws; broad sterna 

 of body segments ; ambulatory appendages. 



In side view note stigmata in alternate segments. 



2. JAWS of same. Mandibles; 2nd maxillae; ist maxillae united in the median line; poison claw 

 (appendage of ist post-cephalic segment). 



3. Julus. Note short antennae, cylindrical body, narrow sterna, numerous legs (two to each 

 segment of the body). 



4. JAWS of same. Mandibles; maxillae as a four-lobed plate. 



