Terrestrial nematodes from Jan Mayen Author Allgén, C. A. text Annals and Magazine of Natural History 1953 12 6 665 688 journal article 10.1080/00222935308654469 10811051 Monhystera vulgaris de Man. de Man, 1884 , pp. 39-40, pl. iii, figs. 10, 10 a-b. Dimensions.-Body-length=l. 580 mm ., max. width =0.0 5 0 mm., o e s o p h a g u s=0.2 9 2 mm ., tail=0.2 9 0 mm., α = 31.6, β= 5.41, y=5.45. I n the uterus were found t w o r o u n d e d shell-eggs immediately in front o f the vulva.