. Bulletin of the Natural History Museum Zoology. FRESHWATER NEMATODES FROM LOCH NESS 9 Male, (n = 1). L = 960 pm; a = ; b = ; c = ; c' = ; gubernaculum = pm; spicules = urn; tail = 188 pm. Similar to female; body slightly sinuous and curved distally, also narrowed in region of cloaca - possibly an artefact as the body is slightly twisted in this region. Bursa 38 urn long, with crenate borders; cloacal lips protruding. Tail tip finely rounded. Distribution and habitat. and freshwater habitats. Cosmopolitan, found in damp soils REMARKS. This species was recently redescrib
. Bulletin of the Natural History Museum Zoology. FRESHWATER NEMATODES FROM LOCH NESS 9 Male, (n = 1). L = 960 pm; a = ; b = ; c = ; c' = ; gubernaculum = pm; spicules = urn; tail = 188 pm. Similar to female; body slightly sinuous and curved distally, also narrowed in region of cloaca - possibly an artefact as the body is slightly twisted in this region. Bursa 38 urn long, with crenate borders; cloacal lips protruding. Tail tip finely rounded. Distribution and habitat. and freshwater habitats. Cosmopolitan, found in damp soils REMARKS. This species was recently redescribed by Brzeski (1997) and these specimens fall well within the range of measurements presented for F. thornei. The height of the head is perhaps slightly lower, but this is not thought to be of any significance. Filenchus sp. 1 Fig. 9 Material examined. Foyers Plateau: 159 m; core 99. Deep North Basin: 211 m; core 22, 1 9. Horizon. Core 14, (1-2 cm; 3-4 cm). Females, (n = 3). L = 531 pm (439-615); a = (—); b = (); c = (); c' = (); V = (57-60); V = (); tail/V-a = (); tail = 157 urn (). Head urn wide at base with two annules. Amphids sinuous. Annules about urn wide at mid-body. Lateral field (only evident in two specimens) with four lateral lines, the inner two being very faint and close to outers. Spear indistinct, slender, urn long with small rounded knobs about urn wide. Excretory pore 64 urn. (56-73) from anterior. Oesophagus 85 pm () long; median bulb with poorly developed valves at (35^) of oesopha- geal length. Anterior genital branch 163 pm (115-198) long. Spermatheca offset, pm () long. Postuterine sac pm () long. Vagina pm long, gently inclined anteriorly with thickened walls. Tail terminus pointed to finely rounded. Remarks. The specific identity of these females is uncertain. They show affinities with F. facu
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