VI 
TABLE OF CONTENTS. 
DESCRIPTIONS OF SPECIES (Continued): page. 
Protobalanus . 209, 210 
Pal.®ocreusia . 210,211 
Strobilepis .212-215 
Turrilepas .215-220 
SUPPLEMENTARY. 221,222 
TABULAR ARRANGEMENT OF GENERA AND SPECIES.... 223-230 
INDEX. 231-236 
PLXTES AND EXPLANATIONS.i-xxxvi 
Page 1, line 9, read Plate XXV, figs. 1, 2. 
Page 7, line 6, read Plate II, figs. 1-12 ; Plate IV, figs. 1-7; Plate V, figs. 1-14. 
Page 19, line 15, for 55, read 65. 
Page 25, line 2, for occitamis, read occitanicm. 
Page 31, line 9, for 26, read 29. 
Page 32, line 4, for spinifera, read .sinniferus. 
Page 32, line 18, for Conrad, read Ch'een. 
Page 31, line 10, for XII, read XIII. 
Page 45, lines 31 and 32, for species, read variety. 
Page 49, line 5, for 1832, read 1835. 
Page 59, line 9, insert 9 between 3-6 and 10. 
Page 62, line 2, add Plate X, fig. 14. 
Page 62, line 21, read Dalmanitbs (Ciiasmops) anchiops, var. sobrinus, n. var. 
Page 63, line 5, for Asaplius laticostatus, I'ead Catymene anchiops. 
Page 68, line 2, for XI b, read XI a. 
Page 75, line 22, for there, I'ead hei-e. 
Page 158, line 23, foi- Claypoll, read Claypole. 
Page 160, line 16, for Hall, read Wright. 
Page 223, line 12, for Phacopidiae, read Phacopidie. 
Explanation of Plate xxxv, fig. 22, for Goniatites sinuosus, read Goniatites complanaUis. 
