Americana 



VOL. III. 



BROOKLYN, SUGUST, 1887. 



NO. 5. 



NEW NORTH AMERICAN MYRIAPODS. 



By Charles H. Bollman". 



The types of the fctllowing new species are deposited in the Museum 

 of the University of Indiana. 



Subgenus PARAJULUS. 



I. Parajulus rugosus sp. nov. 



Brown, segments banded with dark gray po,tciiorly, black dorsal line and lateral 

 row of spots distinct, vertex black, feet banded with brown. Moderately slender, rough, 

 not pilose. Vertex wrinkled, median sulcus plain, setigerou^ foveokT; present. Eyes 

 distinct, triangidar, almost trapezoidal ; ocelli 50 - 55, arranged ni 8 or 9 rows. Seg- 

 ments 51 — 54. Sides of first segment only niarginate, other segments moderately 

 striate beneath, with punctations and sho.t lin;s abovj. Last segment produced 

 into a sharp, robust spine, projecting beyond the anal valves, which are scarcely 

 marginate, anal scale large, obtuse, very sparsely piloie. Repugnatorial pore large, 

 not touching the transverse suture, which is bent. Pairs of feet 96 — 104, exceeding 

 the width of body. Male: mandibulary stripes strongly jiroduced beneath at the 

 anterior angle. Coxre of the second pair of feet produced as in ivtprjssus. Genitalia ; 

 anterior part of first plate shorter than posterior part, round, slightly bent outwards, 

 pilose ; posterior part flat, angularly spatulate, presenting the broad side outwards ; 

 anterior division of posterior plate curving, up around in front of anterior, end bifid, 

 slightly margined beneath ; posterior part lanceolate, slender, about as long as 

 anterior division. 



Length of body, q 35 mm., width 2.2 mm.; Q 40 mm., width 3 mm. 



Hab. - Monongahala City, Washington Co., Pennsylvania. 



In the plan of the male genitaha this species is related to elliplicus, 

 but differs greatly from that species especially in the form of the posterior 

 plate. 



This species is described from two males and two females, collected 

 by Mr. Albert Gregg. 



EufoMOLOGiCA Americana. Vol. hi. 13 August, 1887. 



