THE FAUNA OF LIVERPOOI,. 



Gemcs ZUA. 

 ZUA LUBRICA. 



A common shell, found iindfii- stones, amongst damp moss and decanng leaves. 



Genus SUCCIXEA. 



SUCCINEA PUTRIS. • 



Abundant along the brooks and damp ditches adjoining, crawls generally over 

 surface leaves, more rarely immersed. The variety Pfeifferi, foi-merly a 

 species, found upon nettles in a damp ditch near the Ford stream. 



Family LIMN^AD^. 

 Genus PHYSA. 

 Physa Fontinalis. 



Common in ponds and ditches. 



PhYSA HYPNORUil. 



Common in ditches where there is generally a slight run of water. 



Genus PLANORBIS. 

 Planorbis Albus. 



General in ponds and ditches. 

 Planorbis Glaber. 



Was abundant in 1850, in a ditch near Leasowe. — Mes/srs. Cameron and Marratt. 

 The district ha\iug been flooded by the inroad of salt water during the 

 stormy weather at the latter part of that year, when the embankment was 

 broken through, this species has disappeared. 

 Planorbis Nautileus. 



In ponds about Upton, at the Great Meols, and in many other situations. 

 Planorbis CARix.\Trs. 



Veiy common. 

 Planorbis Vortex. 



Very common everywhere. 

 Planorbis Spirorbis. 



Abundant where it occurs, but more local than the last. In ponds between 

 Upton and Woodchurch. 

 Planorbis Contortus. 



In deep ditches between Leasowe and Great Meols. In ponds abundantly 

 between Runcorn Gap and Warrington. 

 Planorbis Nitidus. 



Abundant. Local. 

 Planorbis Lacustris. 



Formerly in a pond near Windsor. Doubtful in a pond at Oxton along with 

 " Planorbis Nitidus." 



Genm LIMN^.US. 

 LimnjEus Pereger. 



All the varieties in different ponds and ditches. 

 LTMN.f;us Auricularius. 



Ponds at Upton. Also at Upper Tranmere. — Mr. Warrington. 

 o 49 



