THE FAUNA OF THE SALCOMBE ESTUARY. 159 



Littorina jittoraHs- 1 Common at liiglier levels, on Fucus. 



Scalaria communis. One on the gravel at the south end. 



Bulla hydatis. Five were found on the surface of the muddy gravel on the west 



shore, and seven or eight on a patch of coarse sand at the extreme 



south. 



Octopus vulgaris. Three found in holes between rocks covered with stones and 



shells. 



TUNICATA. 



Botryllus violaceus. Only a few small pieces seen. 



Ascidiella aspersa. Very common and large, either attached to stones or lying 



free uj^on the surface. 

 Phallusia mammillata. Several found. 

 Clavelina lepadiformis. Very common, attached to stones. 

 Didemnum sp. Not uncommon. 

 Aniaroucium Nordmanni. Found along with Morchellium argiis, but much less 



numerous. 

 Morchellium argus. Very common. 



PISCES. 



Centronotus gunnellus. One found on the south end, inside an emjjty Buccinum 

 shell. 



Salstone, South-East Shore. List of Species. 



FORAMINIFERA. 



A sample of sand taken on the south-east shore, just above low water (16 ft. 

 tide), was found to contain 78 Foraminifera in 13 c.grms. All were identified. 

 Rotalia beccarii .... 

 Polystomella crisjja (a few specimens of P. striato-jjun 



included) .... 



Miliolina seminulum 

 Truncatulina lobatula 



Bolivina dilatata ... 



Miliolina bicornis, M. agglutinans, Nonionina depressula, Textularia gramen, and 

 T. agglutinans were also present. Some of the specimens of Rotalia beccarii are of 

 very considerable dimensions. Nearly all are large. [R. H. Worth.] 



PORIFERA. 



Hymeniacidon sanguineum. Very abundant. 

 Suberites domuncula. 



HYDROZOA. 



Hydractinia echinata. On shell inhabited by Eupagurus Bernluirdus. 



ACTINOZOA. 



Sagartia bellis. Extremely abundant in places. 



„ parasitica. On shell inhabited hy Eupagurus Bernhardus. 



ECHINODERMA. 

 Amphiura elegans. One or two. 

 Ophiothrix fragilis. One or two. 



