ERRATA’ AND ADDENDA. 
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DESCRIPTIVE REMARKS. 
Page iii. Cancel Preface and substitute that dated July, 1870. 
” 
xix. Line 1, and “ Explanation of the Plates,” p. 14, Plate vi., fig. 2, Nebwli- 
pora favosa, is now Monticulipora favulosa, 
» Line 4, erase Stenopora and the brackets to Fuvosites, on line 5, and read 
Favosites fibrosus. 
xxi, Line 7, and “Explanation of the Plates,” p. 19, fig. 2, for L. plumbeca 
and Obolella plumbea, read Obolus plumbeus. 
,, Line 21, for Ribieria read Ribeiria. This fossil is now considered to be 
a Crustacean. 
xxyil. Line 6 from bottom, for Astreidé read Astreide. 
xxix, Line 22 from bottom, for Plgaster read Palgaster. 
» Line 18 from bottom, for Ophuira read Ophiura. 
»  Line8 from bottom, for Dyctyonema read Dictyonema. 
xxxil. Line 1, for septe read septa. 
XXXvii., xxxviii.,and xxxix. The Woodcuts numbered figs. 1, 2, and 3, should 
read 11, 12, and 13. 
xxxvii. Description of fig. 11 B, for ePdicle read Pedicle. 
xly. Last line and p. 61, Expln. of Pl. xx., fig. 9, for depressa read rhombor- 
dalis. 
xlvi. Line 23, for has read have. 
xlvii. Line 13, for ata read striatella. 
¥ Line 14, for cymbeformis read eyimbeformis. 
xlix. Line 12, and Explanation of Pl. xxvii., fig. 6, Pteraspis truncatus 
is now Scaphaspis truncatus. rf 
» Line 21, Plectrodus “ jaws and teeth,” formerly considered as belonging 
to a ganoid fish, is now shown by Harley to be the prickly processes 
of the Cephalic shield of a Crustacea. 
1. Line 3 of Table, for Celenterata read Celenterata. 
liv. Line 24, for Lepidodenriod read Lepidodendroid. 
lx. Last line of foot note, for Palwontographical read Paleontographical. 
lvii. Description of fig. 15, a should be inserted before Pygopterus, and 5 
before Clupea. 
lx. Line 4, for state read slate. 
Ixiv. Line 9 from bottom, for Caemarthen read Caermarthen. 
lxix. Line 16 from bottom, for jig. 1 read jg. 11. 
Ixx. Line 10, for Anthyris read Athyris. 
Ixxi. Description of fig. 16, a should be inserted before Atlanta, and c 
before Bellerophon. 
Ixxii. Description of fig. 17, @ should be inserted before Creseis, ) before 
Cleodora, and c before Conularia. 
Ixxvii. Line 21, for Marecuniensis read Manciniensis. 
