t4 University of Michigan 



Sand Hill Forest; Aug. 19, 1914; F. M. Gaige. Two 

 females, in rotten wood. 



Labba Creek. First Timber Landing, Clay Jungle ; Aug. 

 12, 1914; F. M. Gaige. One female, under a rotten log. 



Holotype, M. C. Z., 5,059. 



Stemmiulus labbanus, sp. nov. 



PI. 8, Figs. 53-55 ; PI. 0, Figs. 56-60 



Body brown to blackish along dorsum, without any pale 

 median longitudinal line ; paler, light brown to dilute chestnut 

 over sides and below^ ; a paler, sometimes more or less bluish, 

 annulus about the caudal border of each segment. Collum 

 and first tergites typically areolate with light in a dusky net- 

 work. Head similarly areolate over vertex and below anten- 

 nae, blackish in a cross-band between antennae. Antennae 

 blackish. Legs fulvous. 



A single ocellus on a triangular dark spot on each side. 



Gnathochilarium of male as shown in PI. 8, Fig. 53. 



Collum with lower margin convex, the anterior angle widely 

 rounded and the posterior one subrectangular. A long mar- 

 gining sulcus below and up the anterior margin to the level 

 of the ocellus, and above this a single short one across poste- 

 rior portion of plate only. 



Striation of segments of trunk in general as usual. Pos- 

 terior margin of metazonites deeply serrate below, the serra- 

 tion becoming minute in going dorsad and above absent. 



Last tergite with setigerous papillae 3+3 as usual. 



Gonopods of male as shown in PI. 9, Figs. 59 and 60. 



First, second and third legs of male as shown in PI. 8, Figs. 

 54 and 55, and PI. 9, Figs. 56-58. 



Number of segments of male, 52 to 53 ; of female, 49 to 54. 



