North y\mcrican Jiilidm. '37 



width of body, densely pilose. Male : Mandibulary stipes strongly 

 produced beneath. First pair of legs large, uncinate, the inner sur- 

 face with numerous tubercles, pilose. Ventral margin of the seventh 

 segment not much produced. Genitalia exposed ; anterior plate thick, 

 rounded, the end somewhat clavate and scooped out, very pilose ; 

 lK)sterior plate stronglj^ twisted and rolled, the apex divided into three 

 plates, the anterior lanceolate, not serrated, the others broad and thin, 

 with the edg«s strongly toothed. Flagellum not detected. Length 

 of body, 20-38 mm.; width, 1.5-2 mm. 



ilahitat, Pennsylvania, Virginia and Indiana. 



I have examined numerous specimens of this species from 

 BJoomingtcn, Indiana. Jttlus moiitanus Cope, is identical with 

 this species. 



Specimens not adult range as follows : 









Pairs 





Length. 



Width. 



Segments, 



of feet. 



Ocelli. 



24 mm. 



1.6 mm. 



60 



100 



40-7 



19 mm. 



1 mm. 



47 



93 



35-7 



12 mm. 



.8 mm. 



4T) 



83 



27-6 



15. PAKAJULUS CANADENSIS (Newport), 



Jalus canadensis l^^ewpoYt, Ann. & Mag. Nat. Hist., 267, 1844. 



Dark brown, almost black, sides with a series of yellow, conglomerated 

 spots ; feet very pale, antennae scarcely paler. Rather slender, not 

 smooth, shining, nor pilose. Vertex rough, a slight median sulcus, 

 setigerous foveolse present. Antennae short, about equaling width of 

 body. Eyes distinct, triangular ; ocelli rather flat, 43-50, arranged 

 in 6-8 series. Segments, 56-57. First segment with sides striate. 

 Other segments moderately striate, numerous tailed-like punctations 

 above. Last segment produced into a large, strong, round, decurved 

 spine, sparsely pilose ; anal valves scarcely marginate, pilose ; anal 

 scale triangular, pilose. Repugnatorial pore large, not touching the 

 transverse sutm-e, which is broadly but not deeply emarginate. Pairs 

 of feet, 86-93, stout, not equaling the width of body, sparsely pilose. 

 Length of body, 18-25 mm.; Avidth, 1.3-1.5 mm. 



Hahitdt, Canada and Northeastern United States. 



I have examined two females of this species from Ludingron, 

 Michigan^ collected bv Mi, N. B. Pierce. 



