242 JOURNAL OF CONCHOLOGY, VOL. 9, NO. 8, OCTOBER, 1899. 



lately been 'planted' by Mr. Stutchbury, of Bristol, in some waters 

 near that place. So prolific a species once planted is hardly likely 

 to have become extinct." 



Norman made this observation in the year i860 • since then his 

 supposition has been amply verified, for the species has spread from 

 Bristol to Bath, where it is now very abundant. 



ESTUARINE OR MARINE PULMONOBRANCHS. 



Assiminea grayana Leach. — Avonmouth (Cundall). 



MelampilS bidentatus Mont. — " Banks of the Avon near Pill" 

 (Cundall). 



M. bidentatus Mont. var. alba Turt. — " Banks of the Avon near 

 Pill " (Cundall). 



M. myosotis Drap. — " Banks of the Avon near Pill " (Cundall). 



M. myosotis Drap. var. ringens Turt.— "Banks of the Avon 

 near Pill " (Cundall). 



Hydrobia ventrosa Mont. — " Avonmouth, Shirehampton, and 

 Cook's Folly " (Cundall) ; " in marvellous abundance in a ditch near 

 the Pill, Clevedon " (Norman). 



H. ulva Penn. — "River mouths on the Somerset coast" (Norman). 



SPECIES ERRONEOUSLY RECORDED FOR 

 SOMERSETSHIRE. 



Helix pomatia L. — Stapleton (Norman). Stapleton is in Glou- 

 cestershire. 



Bulimus goodalli Miller (= Stenogyra goodalli Mull.). — 

 " This species described by Miller from specimens taken in pine 

 beds at the Clifton Nurseries, has continued to abound in that 

 locality up to the present time " (Norman). Clifton is in Glou- 

 cestershire. 



Testacella scutulum Sowb.— Recorded for Taunton by error, 

 instead of Testacella maugei Fer. 1 



Anodonta cygnea var. incrassata Shepp. — (x<\s Mytilus avon- 

 ensis). Bath and Bristol Avon, by error for the Salisbury and Hants. 

 Avon (Montagu, Test. Brit., p. 172). 



BIBLIOGRAPHY. 



'22. Miller, J. S., A.L.S. — List of the Freshwater and Land Shells 

 occurring in the environs of Bristol, with observations, Ann. of Philos., 

 n.s., vol. 3, 1822. 



1 Naiztralist, vol. 3, 1853, p. 179. 



