CORRECTIONS AND OBSERVATIONS. 
Page 5, last line, for Oxford, read Kimmeridge. 
6,etseq. Oss. Ancliffe is otherwise called Hanckley, it is in the 
parish of Westwood in Wiltshire. 
17, line 19 et passim, for Lyas, read Lias. 
34, to EMARGINULA scalaris, add fig. 4. 
Al, line 15 et passim, for Melanea, read Melania. 
51, line 18, for carinatus, read carinata. 
63, add a comma after ANCYLUS. 
69, line 5, after numerous, add granulated, 
line 9, add the striz become smooth by age. 
93, line 1, for levigatus, read Selliguinus. Add Syn, A. Selliguinus ? 
Cuvier & Brongniart Env. de Paris,394 t. 7. f. 1. 
Oxs.—Onur fossil is between A. Selliguinus and A. Beudanti of 
Brongniart: the latter is not uncommon at Folkstone, and 
varies much,—may they not all be one species ? 
102, last line but 1, 
108, last line but 2, 
157, line 1, for priscus, read prisca, 
166, line 1, for tetrammata, read tetrammatus. 
185, last line but 1, dele lower beds of. é 
Oss.—It appears that the Baculites Faujasii is from the upper 
Chalk. 
191, line 5 from the bottom, for renders, read render. 
193, line 13, for Trachelepodous, read Trachelipodous. 
215, line 4 from the bottom, for priscus, read prisca. 
226, for TURRITELLA concava, read TURRITELLA excavata, and add 
Syn. Cerithium excavatum, Cuvier & Brongniart, Env. de 
Paris, 399, t. 9. f. 10. 
Oxs.— We had published this as a Turritella before we observed 
that Brongniart had given it as a Cerithium: we retain our 
generic name, which Brongniart seems inclined to think may 
be right. 
k for Brambury, read Braambury, 
