20 BULLETIN 46, UNITED STATES NATIONAL MUSEUM. 



6. Lithobius cardinalis n. sp. 



Brown; antennae 20-31 jointed; ocelli 10-6; prosternal teeth 4; coxal 

 pores 2, 4, 3, 2-2, 2, 3, 2; spines of the first pair of feet 2, 3, 2; penulti- 

 mate 1, 3, 3, 1; last 1, 3, 3, 2-1, 3, 3, 1; claw of the female genitalia 

 tripartite; length, 6-9 mm . 



Habitat. — Bloomington, Ind. 



7. Scolioplanes ruber n. sp. 



Bright red; attenuated anteriorly and posteriorly; sternum cordi- 

 form; frontal plate present; pre-basal plate concealed; ventral plates 

 with a large, median foveola; pairs of feet in the male 67-69, female 

 71-73 ; length, 53 mm . 



Habitat. — Bloomington, Ind. 



8. lulus ellipticus n. sp. ' 



Besembles I. impressus. Vertex with a median sulcus ; eyes nearly 

 elliptical; ocelli about 55, in 8 series; segments 46; first segment semi- 

 circular, not striate; anal spine stout, projecting beyond the valves; 

 length, 25 mm „ 



Habitat— Fort Snelling, Minn. (W. D. Howe). 



9. lulus burkei n. sp. 



Bather stout; brown, with a series of dark dots on each side; vertex 

 with a median sulcus; eyes triangular; ocelli 17, indistinct, in 4 series; 

 segments 45-47 ; first segment produced forward to the eyes, not striate ; 

 last segment rounded; anal valves marginate; length, 14 nim . 



Habitat. — Ukiah, Cal. (J. K. Burke.) 



10. Pontaria virginiensis brunnea n. var. 



This new variety can be easily distinguished from virginiensis by its 

 color and form of last segment. Chestnut brown, lateral plates and 

 under parts yellow, a black, median dorsal line; last segment very 

 blunt, sparsely pilose. 



