231 
spicules are rather short, slender and slightly curved; no acces- 
sory piece. : 
As for the female the following measurements have been 
taken on a specimen which de Man has had the kindness to 
examine; the results of my measurements differ a little from those 
of de Man; this difference is probably caused by the considerable 
bending of the "animal prepared rendering exact measuring dif- 
ficuli. I have found it correct to give my own results here. 
The above mentioned deviations are insignificant. 
Zeiss Okularmikrom. Å: Qé. 2. 
? Length 250 =— 4 mm. c' Length 238 = 3,8 mm. 
Oes. 35. Oes. 33. 
Vulva 172. Tail c. 4. 
Pal 5 Width 5. 
Width 5. 
. — 50, 2=7, y = 50. 
SrTNg 
De Man's formula | 3 aq væ 47, fm 1, p == 60. 
Eurystoma terricola de Man. 
1907: de an; KE: SE BYS EPE 
This nice form has been collected in several specimens at 
Lynæs, near the bank of the Isefjord, partly on the roots of 
Salicornia and Atriplex partly among horse-manure, lying on the 
beach. After de Man it occurs in ,la terre humide aux bords des 
fossés d'eau saumåtre å Vile de Walcheren". 
Enoplus communis Bastian. 
1865. Bastian, p. 148. Pl. XIL fig. 164—166. 
1866. Schneider, p. 57. T. IV. fig. 9—13 (E. cochleatus). 
1874. Bitschli, p. 40. fig. 55 a—b. 
Lynæs, on roots of plants in the edge of the water by Ise- 
fjord; Dragør, near the Badehotel. 
