CLASSIFICATION 



45 



Family 1. Lithohiidae. 



Body with 9 principal and 6. subsidiary rings. On both principal and 

 subsidiary rings one pair of legs, except on the last ring of the body. Many 



Fig. 25. — Lithoiius erythrocephalus. (From C. L, Koch, Die Myriapoden.) 



eyes ; the posterior ones large and kidney-shaped. The antennae with many 

 rings. 



Family 2. Scolopendridae. 



Body with 21 or 23 rings, no intermediate rings. Every ring with one 

 pair of legs. The last pair very long. Last pair at the point of the last 

 ring. Four or no eyes. Antennae with 17 or 20 joints. (Fig. 15, p. 31). 



Family 3. Notophilidae. 

 Body very long, 200 to 350 rings ; alternate principal and subsidiary 



Fig. 26. — Notopliilus taeniatus. (From C. L. Koch, Die Ilyriapoden.) 

 rings. A pair of legs to each principal ring. No eyes. Maxillary palps 



