64 H. J. HANSEN. 



§§. The cerci with a small number of setas on the lower 

 side long and protruding, while all the other are short. 



6. S. texana, n, sp. 



j3. The last pair of legs with two long protruding dorsal 

 set£e on the metatarsus^ and three in the anterior dorsal row 

 on the tarsus. The cerci of middle length or rather shorty 

 with at most a rather moderate number of setae. 



§. The second scutum with the antero-lateral seta3 a little 

 shorter to a little longer than the processes. 



t. The second scutum has the distance between its processes 

 considerably longer than their length ; the distance between 

 the processes of the third scutum twice as long as their 

 length . . . . 7. S. vulgaris, u. sp. 



tt. The second scutum has the distance between its pro- 

 cesses from a little to considerably shorter than their length; 

 the processes of the third scutum at most nearly one half 

 longer than their length. 



■^. The cerci with long seta) only on the lower part of the 

 outer side. The auteunti3 with the secondary whorl complete 

 on more than half of the joints. Rather larger American 

 species . . . . 8. S. neotropica, n. sp. 



-x-^_ The cerci with some long seta) spread on the whole 

 outer surface. The antenna) with the secondary whorl com- 

 pl(;te only on the joints of their distal third. Small species 

 from Further India . . 9. S. simplex, n. sp. 



§§. The second scutum with the antero-lateral set^e not 

 half as long as its processes . 10. S. pusilla, n, sp. 



h. The last pair of legs with only one long protruding- 

 dorsal seta on the metatarsus, and two similar setic in the 

 anterior row on the tarsus. The terminal area of the cerci 

 looks outwards . . . 11. S. brevipes, n. sp. 



B. Most of the seta) on the antenna3 plumose and very 

 thick (the terminal area on the cerci looks outwards). 



12. S. antennata, n. sp. 



