236 
Genus Succinea. — Shell oval or oblong; aperture iarge^ 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.* 
EERATA. 
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, 26th 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,” read quadrulus, Raf. 
Plate 46, for “36,” read 46. 
*[N. E., &c.— Ed.] 
