ERRATA. 



PARTS I., II. 



In Chronological List, page 71, insert in 1858, 



McCrady, J., Proe. Elliot Soc. N. H. of Charleston, S. C, I. p. 283, 1858, 

 Ravenelia. 

 In I860, 



Ebray, Etud. Pal sur le Dept. de la Nievre, p. 56, 1860, 

 Orbigniana. 

 Page 77, 3d line from bottom, for Ravenellia read Bavenellia (Liitk.) non McCr. 1858. 

 128, 9th line from bottom, for Evechinus Verrill read Evechinus Verrill. 

 131, insert 4th line from bottom, Goniocidaris tubaria ! Lutk. 1864. Bid. 

 139, 3d line from top, for Lovenia Agass. read Lovenia Des. 1847 in Agass. 

 143, 21st line from bottom, for Mespilia Agass. read Mespilia Des. 1846 in Agass. 

 164, 25th line from bottom, for Stronyylocentrotus lividus read Strongylocentrotus Hindus. 

 194, 19th line from bottom, insert Orbigniana Ebrat, 1860. 

 197, loth line from top, for Ravenellia Lutk. 1864 read Ravenelia McCr. 1858. 



Ravenellia (Liitk.) 1864, non McCr. 

 213, 19th line from bottom, for Goniocidaris canalicuta read canalieulata. 



216, 20th line from top, for Echinus elcgans Dcb. O. Kor. read Echinus (hr/ans (Dub. o. Kor.) 



217, 6th line from bottom, for Scaphechinus mirabilis A. Ag. read mirabilis Barn. 



219, 4th line from top, for EUSPATANGINA A. Ag. read SPATANGINA Gray. 

 242, to list of genera in Plate D add Echixothris. 



" " " ' " E " Metalia. 



254, 18th line from bottom, insert Orthocidaris (A. Ag.) 1863, non Cotteau, 1862. 



267, 17th li::e from bottom, for ! Coelopleurus floridanus A. Ag. 1869, read 1872. 



286, 2d line from top, for ! Gonocidaris maculatus read maculata. 



297, 17th line from bottom, for Toxopneustes Agass. 1836. Prod, read Agass. 1841, Mon. 



Scut, Int. 

 308, 4th line from top, for Clypeaster Lamk. 1816, read Clypeaster Lamk. 1801. 



311, 13th line from top, for ! Clypeaster rosaceus Lamk. 1816, read Lamk. 1801. 



344, 2d line from top, for Spatangidae Agass. 1841, read Agass. 1836. 



347, under original name Homolampas add Lissonotus (A. Ag.) 1869, non ScHON. 



365, 2d line from top, insert Moera (Mich.) 1855, non Leach nee Hdebn. 



