1892.] 



ARACHNIDA FROM ALGERIA AND TUNISIA. 



27 



Geophilus ferrugineus, Koch. 

 Hammam Meskoutine. 



DIPLOPODA. 



Fam. Glomerid^. 



Glomeris fusco-marmorata, Lucas. 



Algiers, Hammam R'irha. 



This species appears at most to be but a variety of the S.-European 

 G. conspersa. 



Glomeris flavo-maculata, Luc. 



Hammam R'irha. 



Tliis species also is most probably but a variety of the European 

 G. connexa. 



Fam. POLYDESMID^. 



Brachydesmus insculptus, sp. n. 



Colour pale brown or ochraceous. Moderately robust. Antennae 

 much longer than the width of the body. The first tergite sub- 



a. Brachydesmus insculptus, sp. n. ; 8th tergite from above. 



b. „ „ „ copulatory foot, external yiew. 



c. „ „ „ „ „ internal view. 



carinate, marked with two transverse depressions, between which 

 run two or three longitudinal grooves with an anterior row of 6 small 

 tubercles, the posterior large tubercles very distinct; the rest of the 

 tergites with the sculpturing very strongly marked, the grooves 

 sharply defining the tubercles; the anterior angle of the keels 

 obtuse but subdentate at the apex, the posterior angle acute and 

 produced ; the side margin of the pore-bearing keels tridentate, of 

 the others bidentate (not including the anterior and posterior angles). 

 Legs short and robust. Copulatory feet strong and falciform, nar- 

 rower before the apex, which is curved ; below the apex on the 

 inside and on the outside there is a single process, and there are 



