BRISTOL LAND AND FEESH-WATER MOLLTJSCA. 275 



Var. i. Henslowaua. Sheppard, 



Leigh Woods (E. W., J. & F. H.), Kennet Canal 

 (W. W. S.) 



Yar, iii. pallida. G. Jeff. 



Kennet Canal (W. W. S.) 



Var. iv. cinerea. Alder. 



Kennet Canal (^y. W. S.) 



3. P. pusillum. Gmelin, 



Bedminster (W. AV. S.) 



Var. obtiisalis. C. Pfeiffer. 



Kennet Canal (W. W.S) 



4. P. nitidum. Jenyns. 



Horfield (AY. W. S.) 



Family II. — Unioi^idje. 



Genus 1. Unio. Philipsson. 



1. U. tumidus. Philipsson. 



In the river at Stapleton (T. G. P., W. W. S.), Kennet 

 Canal (AY. W. S.) 



Var. i. radiata G. Jeff. 



Stapleton (W. AV. S.), ('0 Kennet Canal. 

 Yar. ii. ovalis. Montague. 



Avon(W. A\^. S.) 



2. U. pictorum. Linne. 



In the Avon at Stapleton (T. G. P.) 1863 (A\^. W. S.), 

 (*') Kennet and Avon Canal (AY. AY. S.) 



Genus 2. Anodonta. Lamai-ck. 



1. A. cygnea. Linne. 



In the river at Stapleton (F. G. P.) 1862 (A^. W, S.), 

 (^^) Kennet and Avon Canal (AV. A\^. S.) 



2. A. anatina. Linn*^. 



(^^) Kennet and Avon Canal (AV\ A\^. S,) 



