COBRIGENDA. 

 FOR PART LXIV. 

 Page 24, " Hiisca," see pages xlv and 278. 



Page 40, line 4 from the bottom, for " MopscUa," read " Mopsea." 

 Page 93, line 14 from the bottom, for " fig. 30," read " page 30." 

 Page 118, line 9, for " 2)ur]mracea," read " furfuracca." 

 Page 124, line 7 from the bottom, for " Muricella iimhrnfAcoidcs, Stnder," read " Muricdla umhrati- 



coidcs (Studer)." 

 Page 124, line 6 from the bottom, for "Muricella" read " Muricea." 

 Page 137, for lines 6 and 7, read " Non Plexaura Jiexuosa, Lamoui'oux, Valenciennes (" de la 



Havane "), Comptes rendus, t. 41, p. 12, 1855." 

 Page 144, line 7 from the bottom, " ramosissima," should be in roman type. 

 Page 162, line 4 from the bottom, for " Sidierw," read " Solenocaulon." 



Pages 173-192 were 'printed oj^ before Plates XL. and XLI. were drawn, and the followin;/ 

 corrections arc therefore necessary : — 

 Page 173, ffjv " fig. 5," read " figs. 4«, 4&." 

 Page 174, line 14, eifter " var. A." add " fig. 4a." 

 Page 174, line 16, after " var. B." ccdd " fig. 45." 

 Page 174, line 20, for " fig. 6," read " fig. 5." 

 Page 175, line 9, for " fig 7," read " fig. 6." 

 Page 176, line 1, insert " PI. XL. fig. 7." 



Page 176, line 3 from the bottom, /w "fig. 8," read "figs. 10, lOfl, 106." 

 Page 177, line 10 from the bottom, /or "PL XL. fig. 9," read "PI. XLI. fig. 1." 

 Page 178, line 18, for " PI. XL. fig. 10," read " PI. XLL fig. 3." 

 Page 179, line 5, for "fig 11," read " fig. 8," and line 32, /or "fig. 12," read "fig. 9." 

 Page 180, line 27, /or " fig. 1," read " fig. 2." 

 Page 182, line 13, for " fig. 2," read " fig. 4." 

 Page 183, line 23, /or "fig. 3," read "fig. 5." 

 Page 184, line 14, for " fig 4," read " fig. 6." 



