THE FAUNA OF THE SALCOMBE ESTUARY. 161 



Salstone, North-East Mud (harder parts). List of Species. 



PORIFERA. 



Hymeniacidoii sauguineuin. Cominon where suitable stones for its attachment 

 are found. 



ACTINOZOA. 



Sagartia bellis. Common in places where stones suitable for its attachment lie at 

 some distance (from one to four or five inches) below the surface of 

 the mud. 



POLYCH.ETA. 



Nereis longissima. A few in fine mud. 



Audouinia tentaculata. Common at higher tidal levels, 



Notomastus latericeus. Very common and large. 



Clymene sp. A number of specimens. 



Chsetopterus variopedatus. One. 



Melinna adriatica. Common ; exceedingly abundant in the finest mud. 



Myxicola iufuudiljulum. Common. 



CRUSTACEA. 

 Carcinus nuenas. 



MOLLUSCA. 



Lutraria elliptica. One. 



Tapes pullastra. Common. 



Cardium edule. Common at or near the surface of the mud. 



Aplysia punctata. Only one seen. 



TUNICATA. 



Ascidiella aspersa. Only one or two seen. 

 Morchellium argus. Common where stones are present. 



Salstone, North-East Mud (finest parts). List of Species. 



POLYCHiETA. 



Myrianida maculata. One, budding. In the finest mud. 

 Notomastus latericeus. Large and numerous. 

 Melinna adriatica. Extremely numerous. 



2. MUD-FLAT BETWEEN GARSTOiNT POINT AND THE SALSTONE, 

 ON THE WESTERN SIDE OF THE KINGSBRIDGE ESTUARY. 



[Shore collecting : August 29th, 1900, tide 14 ft. 5 in.] 



Near low-water mark the sloping edge of the bank was composed of 



stiff clayey mud, in which a characteristic fauna was found, consisting 



of a small number of species, most of which, however, were present in 



considerable abundance. 



POLYCH^TA. 



Nereis cultrifera. By no means so plentiful as N. longissima. 



„ longissima. Six specimens. 

 Nephthys Hombergii. Common. 



