THE MYRIAPODA OF NORTH AMERICA. 65 



from the lust place are very dark in color, but otherwise they do not 

 differ. 



Genus Spiroeoluss, Brandt. 



Subgenus Rhinocrinus, Karsch. 



5. Spirobolus pensacolae, sp. nov. 



Above dark green, segments margined with reddish brown, face, an- 

 terior and posterior segments bright green, feet lighter than in margi- 

 natus. Moderately robust, attenuated before, about twelve anterior 

 segments crassate beneath, not smooth. Vertex smooth, sparsely 

 punctate, median sulcus interrupted; elytral foveohe 8. Antennae 

 short. Eyes trapezoidal; ocelli 45-7. Segments 49. First segment 

 sulcate, anterior border sinuate; second segment with the lobe not so 

 broad and more nearly triangular than in marginatus. Other segments 

 rough, punctation most numerous on the posterior half; striae decurved ; 

 strong on the posterior half. Last segment pointed, densly punctate; 

 anal valves marginate; anal scale rounded, Repugnatorial pore large. 

 Pairs of feet 92, extending beyond sides of body. Length of body, 

 86 mm ; width, 9 mm . 



Habitat. — Pensacola, Florida. 



This species is described from one female, collected by the author in 

 the spring of 188G. It is in all related to marginatum rather than any 

 other of our species. 



Spirobolus hebes, sp. nov. 



Ochraceous brown, a lateral row of spots, feet light. Robust, not 

 attenuate, somewhat crassate, not smooth. Vertex smooth, sparsely 

 punctate, median sulcus interrupted; clypeal fbveolse 8. Antennae 

 short. Eyes subtriangular; ocelli 29-38, arranged in series. Seg- 

 ments 39-41. First segment acute, more so in the male than in the 

 female; second segment strongly produced beneath; almost subquad- 

 rate, rounded, Other segments sparsely punctate, numerous short 

 lines above, striae decurved. Repugnatorial pore small. Pairs of feet 

 76-79, short. Male: Coxre of the 3-6 pairs of feet most produced; 

 ventral plate smooth, triangular. Genitalia inner part of anterior plate 

 rough, twice as high as ventral yd ate, external part with the end 

 rounded and not produced; posterior plate thick, a little bent, the end 

 small and rounded, beneath are two serrated lobes and below these a 

 hard and a blunt lobe. Length of body, 45-4S ' ; width, 7-8""". 



Habitat. — San Diego, California. 



I have examined a male and female of this species collected by Miss 

 Rosa Smith. 



JUTjUS Linnaeus. 

 Julus owenii, sp. nov. 



Pale brown, a lateral row of spots, a pale oval spot at the base of an- 

 tennae. Slender, not smooth, not pilose. Vertex rough, a faint median 

 2097— ^o. 46 5 



