151 



Animal, grey. 



The animals usually copulate in August, and fix their 

 spawn in globules containing many eggs on stones^ 



Common throughout great Britain. Inhabiting clear 

 water, whether rivers or streams, mostly on stones ; 

 more rarely found in ponds. 



The Nottinghamshire localities are a clear brook at 

 Attenborough (rare); a brook at Highfield House; an- 

 other on Oxton bogs ; in the river Leen at Bulwell ; the 

 Trent at Beeston (rare) ; a well in the grounds at New- 

 stead Abbey (small). 



Other localities are, Penzance, poor (Millett), Bristol 

 (iVliller), Wiltshire (Montagu), Folkstone (Brown), Lon- 

 don (Gray), on water plants in the river at Norwich, 

 rather scarce (Bridgeman), river Eythrope Stone, Buck- 

 inghamshire (Reade), the Wharf, Richmond, York- 

 shire (Winstanley), Chaigeley, poor, (Winstanley), 

 Thornley, at the foot of Longridge Fell, very small (the 

 Author), Kendal (Gough), Newcastle (Alder). 



Scotland (Fleming), Ireland (Thompson), Isle of Man 

 (Forbes), Germany (Pfeifler), Sweden (Nilson). 



Difficult to keep alive in confinement. 



Ancylus oblongus [The oblong lake Limpet.]. 



Light foot. 



Figure 112. 



112. 



Described by Lightfoot in the year 1786, in the «'PAt7. 

 Trans." 



