470 MTRIAPODA 



P. pennsylvanicus (Brandt). Body rough and hairy, dark brown, 

 with a mid-dorsal line and 2 lateral rows of black spots, composed of 

 55 to 65 segments, 38 mm. long, 2 mm. wide; 100 to 112 pairs of pale 

 feet, densely hairy, first pair large; ocelli 40 to 70 on a side; ter- 

 minal spine small: common in the central and eastern 

 states. 



P. canadensis (Newport) (Fig. 728). Body not 

 hairy, very dark brown, with 2 lateral rows of yellow 

 spots, composed of 56 segments, 25 mm. long, 1.5 mm. 

 wide; 86 to 93 pairs of very pale feet, sparsely hairy; 

 terminal spine large, round, and curved; ocelli 43 to 50: 

 northeastern states and Canada. 



4. SPIROBOLUS Brandt. All anterior segments with legs; mandibu- 

 lar teeth 10; antennae short and thick: about 12 American species, 

 chiefly in the southern states and California. 



5. marginatus (Say) (Fig. 729). Body dark brown 

 with a reddish ring on each segment, smaller specimens 

 greenish; feet and antennae reddish; composed of 53 to 

 57 segments ; 10 cm. or less long and 1 cm. wide ; 88 to 100 

 pairs of feet, extending beyond the sides of the body; 

 eyes indistinct, composed of 30 to 40 ocelli on a side; 

 antennae short, not reaching the hinder border of the first 

 segment: common in the eastern and central states. 



5. CAMBALA Gray. Each eye composed of a single 

 row of 4 to 6 ocelli; fourth segment without legs; first 

 pair in males 6-jointed ; mandibular teeth 6 or 7 ; number 

 of segments 50 to 65 ; last segment rounded ; dorsal plates t , F te- 729 



o pit ro o o lit s 



of segments with sharp, parallel ridges: 1 species. marginatus 



C. annulata (Say). Body long and slender; color 

 yellowish-brown, with 2 lateral rows of dark brown spots; 70 to 112 

 pairs of legs ; length 38 mm. ; width 2 mm. : common in the eastern and 

 central states. 



FAMILY 3. CRASPEDOSOMIDAE. 



Like the Julidae, but without stink glands and with the terminal 

 segment elongated into 2 slender papillae: 6 American genera with 

 about 15 species. 



CAMPODES Koch. Anterior pair of legs on eighth as well as both pairs 

 on seventh segment copulatory; body covered with fine hairs: 1 species. 



C. flavicornis Koch. Body yellowish-brown, with a light mid-dorsal 

 line with darker spots, with about 30 segments, and 15 mm. long; eyes 

 triangular and prominent; antennae slender and long: often common 

 in the eastern and central states. 



