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 Alaimus elegans de Man. (Fig. 1.) de M a n 1921 , p. 5, ph 1, fig. 1-1d. Dimensions.—Body-length= l.899 mm., max. width =0.0 1 8 mm., oesophagus ~0.4 1 8 mm ., tail:0.1 4 8 mm ., v u l v a:0. 0 2 5 mm ., ~ ~109.5, β =4.5 4, γ = 12.83, V =5 3.9 8 per cent. Alaimus elegans de Man. α, anterior end, 1/12, ok. 3, x 600. b, tail obj. 7, ok. 3, x 360. c, region of the female organs obj. 7, ok. 3, x3 6 0. r i This species agrees precisely with de Man's (1921) description o f A. elegans , the length of the b o d y being twice as long as in A. primitivus a n d is distinctly narrower.