46 



MYRIAPODA 



Family 4. Geophilidae. 

 Body very long; legs 13 to 173 pairs. No eyes. Antennae 14 joints, 



Fio. 27. Oeophilus longicornis. (From C. L. Koch, Die Myriapoden.) 



shorter than body. Spiracles fewer than pairs of legs. Anal pleurae coxi- 

 form. 



Order III. Schizotarsia. 



The tarsi of all the legs multiarticulate. The eyes facetted. 

 Peculiar sense organ beneath the head. 



Family 1. Scutigeridae. 



Body short and strong. Antennae very long and thin. Facetted eyes. 

 No spiracles, but stomata in back. (Fig. 17, p. 35.) 



Order IV. Symphyla. 



Body small, 12 segments, which according to Schmidt equal 

 2 2 primary segments. One pair of tracheae opening in the head. 

 Genital opening before coxae of 4th pair. 1st and 2nd segments 

 with one pair of legs, rest with a pair and parapodia. Ovaries 

 beneath the gut. A head artery and a dorsal vessel with ostia 

 and alary muscles. 



Family 1. Scowpendrellidae. 

 With the characters of the Order. 



