Alaimus primitivus de Man.

de Man, 1884, p. 30, pl. l, fig. 1.

D i m ensions.-Body-length:1. 0 mm., max. width = - 0.023 mm., oesophagus = 0.265 mm., α. =43. 48, ß =3. 77. *

* a, ß, and y are the well-known ratios by de Man. a: body-length: max. width, ß: body-length: length of the (esophagus and y: bodylength: length of the tail. V: the distance of the female sex opening (vulva) from the anterior end of the body in percentage of its total length.

Unfortunately the position of the anus and the vulva could not be exactly determined.

The female organs are short, with reflexed ovary.