ERRATA. 



Page cvi, No. 171, for Solarium amphiterinum read Solarium amphiterynum,. 



Page ex, No. 61, for Cythere (Antigona) staminea read Cytherea (Antigona) 

 staminea. 



Page cxi, column 39, omit at depth of 776 feet. 



Page cxvi. No. 2, for Milleaster incurstans read Milleaster incrustans. 



Page 6, line 21, omit acute in " series of acute two." 



Page 7, lines 21, 24, for 1869 read iS67; for vol. xxi read voZ. icia;. 



Page 8, last line, for 1000 read 1890. 



Page 9, line 2, for Zarachis read Zarhachis. 



Page 10; line 17, for Ixacanthus read Zarhachis ; and for generally read 

 firenertcaZ/i/. 



Page 16, lines 16, 37, for 6i-^ read 6io. 



Page 16, line 22, for 1% read IV3. 



Page 19, line 14, for 61/, read 6i5. 



Page 19, line 26, for J/.5 lines read l/.S lines. 



Page 20, line 16, for 1869 read 1868. 



Page 20, line 23, insert " The specific description is as follows." 



Page 23, line 25, after groove insert of the centrum. 



Page 28, line 14, for front read point. 



Page 29, line 19, for fang read the crown. 



Page 44, line 31, for Plate XXIII, Figs. 1, la, lb, read Plate XXIII, Figs. 

 1, 2. 



Page 57, lines 2, 3, strike out from " of " to " diameter " inclusive. 



Page 65, line 28, after on insert " each side." 



Page 65, line 29, for structure read sculpture. 



Page 66, line 27, for of the crown read round the crown. 



Page 66, line 31, read " of much of the convex face, is marked by a minute 

 decussating or chevroned sculpture." 



Page 69, line 3, for left anterior read left posterior. 



Page 69, line 11, add " icith the neural arch is still indicated by suture in 

 the specimen. The posterior convex head of the body." 



Page 72, line 18, for slight wavy ribs read slightly wavy ribs. 



Page 79, line before last, insert " Oxyrhina desorii Woodward, 1889, Cat. 

 Fos. Fishes, Brit. Mus., pt. 1, p. 383." 



Page 80, line 18, insert the following: "Oxyrhina hastalis Woodward, 1889, 

 Cat. Fos. Fishes, Brit. Mus., pt. 1, p. 386." 



Page 87, line 28, add " Galeocerdo contortus Woodward, 1889, Cat. Fos. 

 Fishes, Brit. Mus., pt. 1, p. 443." 



Page 89, line 5, add " Galeocerdo aduncus Woodward, 1889, Cat. Fos. Fishes, 

 Brit. Mus., pt. 1, p. 445." 



Page 90, line 24, add " Hemipristis serra Woodward, 1889, Cat. Fos. Fishes, 

 Brit. Mus., pt. 1, p. 450." 



Page 99, line 10, for Yorktown. Pa., read Yorktown, Va. 



Page 121, line 31, for Cythere cornuta read Cythereis cornuta. 



Page 415, line 29, add " Plate CXVIII, Fig. 11." 



