36 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



or slightly eniarginate from the abruptly angled lateral corners (fig. 

 19, a) ; the labrum of the female of the usual narrowed polydesmid 

 type. 



Fig. 19. — Aetheandra multiplex, a, head and antenna of male, anterior view; 

 b, segments i to 4 of male, dorsal view ; c, preanal scale ; d, gonopods ; e, sternum 

 and second male leg, anterior view ; /, sternum and third male leg, anterior view. 



First segment subsemicircular, broadly depressed along the middle ; 

 surface with 20 erect thickened setae. 



Second segment longer than any other ; the keels produced forward, 

 lateral margins each with 3 thickened setae, the dorsal surface of the 



