60 
and provided with a knob in their proximal end; distally they are 
somewhat expanded and end with an acute tip. Their length makes 
30 (jb. Supplementary organ and masculine papillæ are lacking. 
Female: a — 57, ft — 8, y = 50. 
- Male: a — 75, ft = 8, y = 75. 
Seuratiella. 
In my paper “Marine freliving Nematodes from Danish waters“ 
1 established a new genus, named Seuratia after the French Ne- 
matologist Se urat. Seurat was kind enough to inform me that 
the name Seuratia was already preempted and proposed to alter 
the name into Seuratiella. I am glad to be able to follow his 
proposition now as a new species of the named genus was found 
in the material from the Skaw. 
Seuratiella pellucida n. sp. 
PI. II, ligs. 4, 7, 8. 
Only a single specimen is present, a male the length of which 
makes 1,2 mm. The body is rather siender and of about the same 
width througout its whole length. The head is truncate and the 
foremost part of the body tapers from about at the level of the 
excretory pore towards the front. 
The cuticle is — as in the earlier described species of this 
genus — transversally striated and provided with a system of mi- 
nute points, arranged in transverse rows. As in Seuratiella gracilis 
these points are hardly visible under high magnifying powers (Apochr. 
2 mm). On the head is found a ring of rather stout setæ, some¬ 
what longer than those known in species from the Limfjord. The 
lateral organ is of the same spiral-shape as in 5. gracilis but in- 
considerably smaller. While in the latter the diameter of the spiral 
makes 6 p it only measures c. 5 in 5. pellucida. I shall remark 
that the specimen of 5. gracilis is of the same length as the spec¬ 
imen of S 1 , pellucida , namely 1,2 mm. 
The buccal cavity is deeper and not as wide as in 5. gracilis , 
a feature which is plainly seen when comparing the respective 
figures of the front part of the two species. No trace of teeth is 
found. As in 5. gracilis an eye-spot is seen a short distance be- 
