CORRIGENDA. 
Page 65, line 24, substitute “ Sconce” for “ Headon Hill.” 
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70 
78 
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13 ” ” 
15 . ie 
” 2 
” ”? 
In the head-lines to sheets 17, 18, and 19 (p. 129 e¢ seq.), for “ Pulmonata”’ read “ Prosobranchiata.”’ 
Page 126, line 10, for ‘‘ Cypraea” read “‘ Cypreee.” 
14, for “figs. 3 a—d”’ read “ figs. 4 a—e.” 
27, for * Basiugstoke”’ read “Cuffel, near Basingstoke.”’ 
28, for “(t. 25)” read “ (t. 5).” 
30, after the word “size” insert “axis 1 in. and +4,ths; 
133 
134 
155 
155 
158 
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14, for “figs. 4 a—e 
” read “figs. 4 a—d.” 
160, last line but one, after “axis” insert ‘‘2 inches nearly,” 
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bo iS wmnwnwnd Ww 
ies) 
290 
295 
300, last line, add “ Highceliff.” 
and 54th.” 
, line 33, for “figs. 2 a—b” read “figs. 3 a—b.” 
3 from bottom, add ‘‘ Nuneham”’ to the list of localities. 
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13, dele ‘* Barton.”’ 
last line, add “ Brook.” 
rst line, for “fig. 13 a, 6” read “fig. 15 a, 6.” 
, line 25, for ‘‘ Hampstead Railway Tunnel’’ substitute “ Potter’s Bar.” 
, last line, add “‘ Highgate, Potter’s Bar, and Southampton.” 
, line 17, add “ Hornsey.” 
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16, for ‘‘ fig. 8 a—e” 
8, add “ Highgate.” 
read “fig. 6 a—e.” 
diameter -°,ths of an inch.” 
and after “diameter” 
insert “1 in, 
