422 
5. Pauropus helveticus n. sp. 
Fig. 5 a. Head of a specimen witli eight pairs of legs, X 230. 
— 5 b. Posterior part of the body of a specimen with eight pairs of 
legs, X 115. 
— 5 c. Anal segment of another specimen with eight pairs of legs, seen 
from below, X 300. 
— 5 d. Left leg of the last pair of a specimen with eight pairs of legs, 
from in front, X 185. 
— 5e. Anal segment (with the hind portion of the last segment of the 
trank) of a specimen with six pairs of legs, X 360. 
6. Pauropus Mortensenii n. sp.; male. 
Fig. 6 a. Head, X 287. 
— 6 b. Right leg of the last pair, seen from in front, X 226. 
Plate V. 
1. Pauropus Mortensenii n. sp.; male (continued). 
Fig. la. Posterior part of the body, X 155. 
— Ib. Anal segment with the terminal part of the preceding segment, 
seen from above, X 310. 
— 1 c. Left copulatory organ, seen from in front, X 310. 
2. Pauropus vulgaris n. sp. 
9 | 
Fig. 2 a. Head of a female, X 320. 
— 2 b. Tactile seta of the third pair of a male, X 444. 
— 2 c. Posterior part of the body of a male, X 123. 
— 2d. Anal segment with the hind portion of the preceding segment 
of a male, seen from above, X 310. 
— 2e. Anal segment of a male, seen from the right side, X 318. 
— 2f. Right leg of the last pair of a male, seen from in front, x 200. 
— 2 g. Copulatory organ, seen from the outer side, x 286. 
3. Pauropus gracilis n. sp.; male. 
Fig. 3 a. Head, x 286. 
— 3 b. Posterior part of the body, X 174. 
— 3 c. Tactile seta of the third pair, X 444. 
— 3d. Anal segment, from above, x 370. 
— 3e. Anal plate and the styli, seen from below, x 462. 
— 3f. Left leg of the last pair, seen from in front, X 281. 
4. Pauropus pygmæus n. sp. 
fig. 4a. Head of a female. X 310; many of the hairs are wanting. 
— 4 b. Posterior part of the body of a female, X 170. 
— 4 c. Tactile seta of the third pair of a male, x 360. 
-- 4d. Anal segment of the male, seen from above, x 385. 
— 4e. Left leg of the last pair of a female, x 320. 
