Parapiratus vanheurni n. sp.
Zoologische Mededelingen , Volume 7 - Issue 8 p. 113- 114
During the last expedition in New Guinea (1920), Mr. van Heurn, a zealous naturalist, at a height of 2900 m. (Doormanpad) in cavities of Hydnophytum found some specimens of Peripatus, which were conspicuously colored. There are six ♀ and one ♂. The living animal has a pale blue colour and on its dorsum is provided with a double row of irregular, quadrangular spots of a violet red coloration. In one specimen also at the base of the legs a row of such spots is visible. Like as in Paraperipatus lorentzi 1) there is a ventral median line of longitudinal whitish spots; these spots, situated between each pair of legs, are usually divided into a smaller, roundish anterior one and a posterior one, which is somewhat sagittate. Over the middle of the dorsum there runs a fine, whitish line; the pads of the legs are ochraceous. The primary papillae have their basal part yellowish colored, whereas the tip is darker; only those lying within the circumference of the dorsal spots are yellowish over their whole surface. One specimen, 60 mm. long, found at the height of 1400 m. in rotten wood, during life was very dark violet, except the white spots in the median ventral line; the legs were somewhat paler and the underside of the feet dark ochraceous. The male specimen, measuring 24 mm. in length, is dark brown with a double row of indistinct, red spots in the median dorsal area, whereas laterally near the base of each leg there occur a couple of punctiform white spots; its ventral side has a marbled appearance by the presence of whitish, primary papillae. This ♂ specimen has 22 pairs of legs; however the last pair is somewhat rudimentary for it lacks the foot and only its basal part is present. In the ♀ the number of pairs of legs
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Horst, R. (1922). Parapiratus vanheurni n. sp. Zoologische Mededelingen, 7(8), 113–114.