CORRIGENDA. 



Page 2, line \,for " lAchinales" read " lAclienales." 

 6, „ 'iZ,for " Marsilacece," read " Marsileaceiz." 



31, J, Itfor "like the first," read " like that of the first." 



32, „ 16,/or " PoLYC^LlA," read "PoLycffiLlA." 

 , — „ 23, for " Folycmlia," read " Polyccelia." 



,68, „ 7 from\)ottoai, for " Cleiothi/ris," read" Athyris." 



, — bottom Hne, for " Delthyris," read " Trigonotreta."_ 



, 69, line 6 from bottom, omit " {caput-serpentis) and in Gryphus." 



, — „ — „ for " mtretts," read " vitrea." 



, — „ — „ for "it is somewhat ring-ahaped," read "it is 



short, and somewhat ring-shaped." 

 , — „ 4 „ insert " long," after " attached " 



, — „ 2 „ for " doTsata" read " truncata." 



,70, „ 2 from top, for " Fachyrhynchns roseus," read " Bovckardia 



rosea" 

 , — „ 20, „ omit " Delthyris and." 



, — „ 23, „ for " Delthyris," read " Trigonotreta." 



, 72, „ 11 from bottom, /or "Boysii," read "Soissyi." 

 ,75, „ 15 „ insert " sma." after " ciicnmaiance." 



, 77, „ 20 from top, insert "similar to those," after "^arteries (j)." 

 , 81, first line in Table, "Lingula" ought to be in italics. 

 ,— line 20 „ /or "Dicselosio," reai "Diccelosia." 



, — „ 31 „ oraii " DeWyris (elevata), Dalman." 



, — „ 43 „ for " Pectunculus," read " Pectunculoides." 



,82, „ 4 from top,/or "Sub-kingdom," r«a<i " Sub-class." 

 , 93, last line in foot-note 4, for " a character of which," read " a character 



the existence of which." 

 , 94, line 8 from top,/or " the name of which," reai "my name for which." 

 , — ,, 5 from bottom, for " same," read " small." 

 , 95, „ 7 „ for " were either free," read " that they were 



either free." 

 „ 2 „ /or "prove," rea<i "proves." 



, 97, „ 17 from top,/or " species," read " specimens." 

 , — „ 19 „ omit " to be," and " with." 

 ,99, „ 8 from top, /or "constitute," read "constitutes." 



Page 99, List of locahties, omit " and Tynemouth." 



„ 102, line 2 from top, itisert " Whitley " after " Dalton-le-Dale." 



„ 104, foot-note 6, for " 1" read " all." 



„ 106, hne 24 from top, for " Dicielosia, read " Dicaihsia," 



„ 128, „ 15 „ for " incurving," read " incurved." 



,,129, „ 19 „ do. do. 



„ 142, „ 7 „ for "pectunculus " read "pectunculoides." 



„ — „ 11 „ omit sentence " It appears to be, &c." 



,,145, „ 18 from top,/or "crural base," r«a(i "crural processes." 



„ 147, „ 2 „ for " is," read " appears to be." 



„ — „ 29 „ insert " Kutorga" after "PLICA," and omit 



" Kutorga." 

 „ 150, „ 15 from bottom,/or "with," read "from." 

 „ 164, last line in footnote 3, for " Janeia" read " Solemya." 

 „ 177, line 20 from top, rnnit " or tertiary." Mem. Solemya Mediterranea 



occurs in the Tertiary deposits of Italy. 

 „ — „ W,, for " The recent 5otemi/ffi, and the Palseozoic Jan«a are, &c." 

 read " Solemya is the only gepus, Stc." 



Pages 178 and 179, for "/aneia" read " Solemya." 



Page 178, omit diagnosis of Janeia. 

 „ 212, bottom Une, for " laminae," read " Mnes." 



„ 213, Une;2 from top, omit " and distinctly separated from each other." 

 „ — „ 17, for " and still an inhabitant," read " and is stiU an in- 

 habitant." 

 „ 219, hne 17, place the name "Phillips" close after " NAUTILUS." 



Letterpress to Plate VI, second page, Une 1, for " Palaechinus," read 

 " ArchEeocidaris." The same correction in fine 4. 



— PI. XIV, first page, Une 15, omit " adductor." 



PI. XVII, line 7, insert " Pleurotomaxia antrina," after 



figure "6." 



— „ „ 13, for " Frieislebeni," read "Freiesle- 



beni." 



— „ „ 25,i«ser<"Freieslebem,"af/!erfignTe"20." 



— PI. XXVin, Une 4, for " granulosus," read " granu- 



latus." 



