236 



Genus Succinea^— Shell oval or oblong; aperture large, ob- 

 lique; columella narrowed. 



Animal terrestrial, larger than its shell ; tentacula four, inferior 

 pair smaller ; eyes placed at the tip of the superior tentacula ; 

 operculum none.* 



ERRATA. 



Page 5, 3d line, for " 1818," read 1819. 



15, 2d line, for " moltilineata, " read multilineata. 



72, 1st line, for "June," read July. 



87, 18th line, for "June," read July. 



98, 1st line for "June," read July. 



149, 26tli line, for " 1836," read 1830. 



160, 33d line, for "vol." read part. 



216, 21st line, for "pi. 5," read pi. 57. 



Plate 53, for "rugosus, Barnes," J'ead quadruliis. Raf. 



Plate 46, for "36," read 46. 



*[N. E., &c.— Ed.] 



