Fig. 5a. 
— 5b. 
Fig. 6a. 
Fig. 1a. 
422 
5. Pauropus helveticus n. sp. 
Head of a imen with eight pairs of legs, >X 230. 
Posterior part of the body of a specimen with eight pairs of 
legs, X 115. 
Anal segment of another specimen with sight pairs of legs, seen 
from below, X 
. Left leg of the lak see of a specimen with eight pairs ”of legs, 
from in front, X 1 
Anal segment (with ges hind portion of the last ner of the 
trunk) of a specimen with six pairs of legs, X 
6. Pauropus Mortensenii n. sp.; male, 
Head, x 287. ; 
Right leg of the last pair, seen from in front, x 226. 
Plate V. 
1. Pauropus Mortensenii n. sk ; male (continued). 
Posterior part of the body, X 
Anal segment with the ler så of'the preeeding segment, 
seen from above 10. 
e, x å 
. Left copulatory organ, seen from in front, 310. 
2. Pauropus vulgaris n. sp. 
Head of a female, x 320. 
Taetile seta of the third pair of a male, > 444. 
Posterior part of the body of a male, X 123. 
d. Anal segment with the - hind portion of the preceding segment 
of a male, seen from above, X 310. 
.… Anal segment of a male, seen from the igit side, x 318. 
Right leg of the last pair of a male, seen from in front, > 200. 
. Copulatory organ, seen from the outer side, X 286. 
S. Sersn gracilis n, sp.; male. 
Head, x 286. 
……Posterior part. of the krede 
Tactile seta of the third pair; >> 444. 
Anal segment, from. above, x 370. 
Anal; plate and the styli, seen from below, ><.462. 
Left leg of the last pair, seen from in bi: »x:281; 
4. Pauropus pygmæus:n: sp. 
w… Head of a female. > 310;:måny of the hairs are wanting. 
Posterior part of the body of a female, x:170…. 
Tactile seta of the third pair of a male; >» 360. 
segment of the male, seen. from 'above, 385, 
, Left leg of the: last; pair of a: female, >< 320. 
