FURTHER RECORDS OF FREE-LIVING NEMATODES 283
Family Leptolaimidae
*Haliplectus dorsalis Cobb in Chitwood, 1956
Sample 1. This species was found originally in a salt marsh
in Massachusetts, U.S.A. New British and European
record.
Haliplectus wheeleri Coles, 1965
Sample 1. Described recently from Skippers Island (see
Coles, 1965a).
Family Tripyloididae
*Tripyloides gracilis (Ditlevsen, 1919)
Samples 1, 2 and 3 (fairly common in all the samples). New
British record.
Family Linhomoeidae
*Eleutherolaimus stenosoma (de Man, 1907)
Sample 3. New British record.
Metalinhomoeus typicus de Man, 1907
Sample 3.
Terschellingia communis de Man, 1888
Sample 3.
*Terschellingia longicaudata de Man, 1907
Sample 2. New British record.
Family Sphaerolaimidae
Sphaerolaimus gracilis de Man, 1876
Samples 1 and 3.
Sphaerolaimus hirsutus Bastian, 1865
Sample 2.
Family Monhysteridae
Theristus acer Bastian, 1865
Sample 3 (fairly common in the sample).
Theristus normandicus de Man, 1890
Samples 2 and 3 (common in both samples).
Theristus oxycerca (de Man, 1888)
Samples 2 and 3 (common in both samples).
Theristus setosus (Butschli, 1874)
Sample 3.
Family Rhabditidae
Rhabditis marina Bastian, 1865
Sample 1. Only one specimen found. Although this
species was originally found in sand from tide-pools, it is,
like all other species of this genus, typical of localities with a
high bacterial flora. Rhabditis marina is exceedingly
abundant in rotting sea weed. (See Inglis and Coles, 1961.)