328 _ GUERNSEY. 
Surirella ovalis, Breb. 
Grande Mare bog pools, common. Abundant in a roadside 
rivulet near Lilyvale, Catel. Pool near Fort Doyle, occasional. 
Surirella ovata, Kutz. 
Plentiful in the brackish pool at Pulias, also in a quarry marsh at 
Bordeaux, and in Saints Bay Valley. 
Surirella fastuosa, Ehr. 
More or less common in all shore gatherings. 
Surirella lata, Sm. 
Common. The unconstricted form plentiful at Moulin Huet. 
Podocystis americana, Bail. 
‘Two valves only, seen in’ different slides. Locality: Cobo 
rocks, at extreme low water, on corallines attached to the rock. The 
gathering was a very mixed one.’ (Rylands.) 
Cymatopleura Solea, Sm. 
Frequent in Saints Bay Valley, and in a marsh at Vazon. 
Sparingly in a rivulet near Lilyvale, Catel. Usually the short, broad 
form. 
EUNOTIEAE. 
Epithemia turgida, Kutz. 
Common in the Grande Mare pools. Saints Bay and Moulin 
Huet streams, scarce. Two specimens in the Cobo peat deposit. 
Epithemia Westermanni, Kutz. 
Common at Grande Mare and in the marsh at the eastern side 
of Lancresse. Frequent in gelatinous drippings at the foot of the 
cliffs at Petit Port. 
Epithemia granulata, Kutz. 
Epithemia gibba, Kutz. 
Abundant in some of the pools at Grande Mare. 
Epithemia ventricosa, Kutz. 
Epithemia marina, Donk. 
Cobo, rock scrapings at extreme low-water mark, two specimens. 
Epithemia musculus, Kutz. 
Brackish pool at Pulias, sparingly. Cobo peat deposit, frequent. 
Epithemia constricta, Sm. 
