UNIONID&. 6] 
Avon and Kennet Canal; Cundall, Forbes and Hanley, 
Watson, and others. 
Avon, near Bristol; Turton’s Conchylia, described under 
Mysca solida. 
‘We have found them in the Avon, many miles above 
and below its conflux with the Froome: at Bath they 
are thrown up in great abundance after floods, and 
commonly used for putting colours in” ; Montagu. 
“Twenty years ago, after a flood, I met with it about 
two miles from Bath, cast in large quantities on a river- 
side meadow, but I have seen none since”; Clark. 
River Brue, near Street; B. B. Woodward. 
Naturalised in the Weston Rhine and the Lox Yeo; 
F. A. Knight. The specimens were brought from 
Langport. 
South. . 
Canal, Taunton, five specimens; W. Gyngell. 
Var. ovalis, Montagu. 
River Avon; W. Stoddart. 
Bath; Cundall. 
“This very strong variety is not uncommon in the Avon 
that runs through the north of Wiltshire and Somerset- 
shire, inhabiting the deeper parts of the river”; Turton, 
described under Mysca ovata. 
Var. radiata, Colbeau. 
Avon and Kennet Canal; Cundall. 
Avon, near Bath; Clark. 
ANODONTA CYGNH/HA, Linneé. 
Frequent in the rivers and the majority of the larger ponds. 
The largest of our fresh-water bivalves, often attaiming six to 
’ seven inches in length. 
North. 
Fine specimens from the Bath Canal; Bath Mus. Coll. 
IKKennet and Avon Canal and Kenn Moor, ete.; Cundall. 
. Nailsea Moor and Yatton; Bristol Mus. Coll. 
* Shanks Pond, Cucklington; W. Herridge. 
Kennet and Avon Canal, near Bath; H. Watson. 
South. 
Yeovil; J. Ponsonby. 
Canal, Taunton, a rather peculiar broad straight variety ; 
W. Gyngell. 
