708 PROCEEDINGS UF THE NATIONAL MUSEUM. vouxxi. 



is developed into a promineut, flattened process at the base of each leg 

 as in Astrodesmu.s luridun. 



Sternum of sixth segment of male with a subtrilobate process. 



Sternum of fifteeutli segment of male with a rounded triangular 

 process from between the anterior pair of legs. 



Legs of males moderately crassate; dorsal surface of second joint 

 strongly inflated. 



Anterior male legs with a distinct fleshy sole at the apex of the last 

 joint. 



Coxfe of second male legs with a subconic process distinctly notched 

 on its ventral face. 



Cox* of second legs of female i^roduced into subconic, divaricate 

 processes as long as the second joint. 



Sternum of third segment of female extended ventrally into a thin 

 rim, which is broadly and deeply excavate in the middle to accomodate 

 the coxjc of the second legs. 



Copulatory legs scarcely trigonal, compressed nearly to base; node 

 constricted at base, with a small spine on each side at the base of the 

 flagellum, which is at base pressed against the basal part of the copu- 

 latory leg and is then carved cephalad and obliquely mesad, crossing 

 its fellow. 



The affinities of this genus are evidently with Gomjyhodesmm in the 

 shape of the body and the form of the first segment, but it is distinct 

 in the possession of the transverse ridges of the sterna and the process 

 of the fifteenth segment. The copulatory legs are also strikingly dif- 

 ferent, not only from Gomphodesmns but from the other related genera, 

 in that the flagella are not abruptly bent but make a simple curve 

 obliquely cephalad, so that a lateral view gives a subelliptic outline. 



From Astrodesmiis, some species of which are strongly suggested by 

 the processes of the sternum of the eighth, segment as well as those of 

 the sixth and fiffteenth, it difl^'ers in the much more convex dorsum, 

 narrower carin*, and the narrowed and j^roduced corners of the first 

 segment, to say nothing of the differences displayed by the copulatory 

 legs and the member of the olfactory cones. 



TYMBODESMUS FIGLINUS, new species. 



(Plate LVII, ligs. 3«-3c.; 



? Eurtjdesmua mossambicus Porat, Biliang K. Sv. Vet., Akad. Handl., 1894, 20, 

 IV, Xo. 5, p. 30; not Peters, Reise nach Mossambique, 1862, V, p. 533. 



Vertex without hairs, smooth and even; sulcus distinct, narrow, the 

 suture deeply colored; obliquely transverse sulci indistinct. 



Clypeus with a minute setiferous punctation on each side, somewhat 

 below and slightly mesad from the antennal socket: a row of about 4 

 similar widely separated punctatious, located nearer to the labral 

 margin than to the antennal sockets. 



