CORRIGENDA. 
Page 2, line 1, for “ Lichinales,” read “ Lichenales.” 
»» 22, for “ Marsilacee,” read “ Marsileacee.” 
» 1, for “like the first,” read “like that of the first.”” 
» 22, ,, 16, for “Potycmita,” read “PoLyca@ia.” 
>» 23, for “ Polycela,” read “ Polycelia.” 
» 7 from bottom, for “ Cleiothyris,”’ read “ Athyris.” 
— bottom line, for “ Delthyris,” read “ Trigonotreta.” 
», 69, line 6 from bottom, omit “ (caput-serpentis) and in Gryphus.” 
for “vitreus,” read “vitrea.” 
for “it is somewhat ring-shaped,” read “it is 
short, and somewhat ring-shaped.” 
” » » 
» » ce 
rn 4 3 insert “long,” after “attached ” 
ye mp 2 i for “dorsata,” read “ truncata.” 
» 70, ,, 2 from top, for “ Pachyrhynchus voseus,” read “ Bouchardia 
rosea.” 
HS yy BD? vy omit “ Delthyris and.” 
> 95> 28, . for “ Delthyris,” read “ Trigonotreta.” 
» 72, ,, 11 from bottom, for “ Roysit,” read “ Roissyi.” 
5 fy 95 HS a insert “and” after “ circumstance.” 
» 20 from top, ézsert “similar to those,” after “arteries (j).” 
», 81, first line in Table, “Lingula” ought to be in italics. 
» — line 20 >» Jor “Dicelosio,” read “ Diccelosia.”” 
ast Ses Re omit “ Delthyris (elevata), Dalman.” 
>= » 48 » for “ Pectunculus,” read “ Pectunculoides.” 
, 82, ,, 4 from top, for “SuB-KineDom,” read “ SuB-cLAss.” 
19) 
» 93, last line in foot-note 4, for “a character of which,” read “a character 
the existence of which.” 
», 94, line 8 from top, for “ the name of which,” ead “my name for which.” 
— 5 from bottom, for “ same,” sead “small.” 
» » 
AEDS By for “were either free,’ read “that they were 
either free.” ; 
y= 9 2 SD for “prove,” xead “ proves.” 
» 97, ,, 17 from top, for “species,” read “ specimens.” 
— , 19 Bs omit “to be,” and “ with.” 
» 99, ,, S8from top, for “ constitute,” read “ constitutes.” 
Page 99, List of localities, omi¢ “and Tynemouth.” 
>, 102, line 2 from top, insert “ Whitley ” after “ Dalton-le-Dale.” 
» 104, foot-note 6, for “1” read “all.” 
,, 106, line 24 from top, for “ Dicelosia, read “ Dicelosia.” 
>» 128, 5, 15 a for “incurving,” read “incurved.” 
sO Oh bac. do. do. 
OE ee a me for “ pectunculus,” read “ pectunculoides.” 
tamer ta) Re omét sentence “It appears to be, &e.” 
» 145, ,, 18 from top, for “crural base,” read “ crural processes.” 
MA abe Pi for “is,” read “appears to be.” 
me by RY. 5 inseré “ Kutorga,’ after “PLICA,” and omit 
“ Kutorga.” 
», 150, ,, 15 from bottom, for “with,” read “from.” 
,, 164, last line in footnote 3, for “Janeia,” read “ Solemya.” 
,, 177, line 20 from top, omit “or tertiary.” Mem. Solemya Mediterranea 
occurs in the Tertiary deposits of Italy. 
» — » 22, for “The recent Solemya, and the Paleeozoic Janeia are, &c.”’ 
read ‘ Solemya is the only genus, &e.” 
Pages 178 and 179, for “Janeia” read “ Solemya.” 
Page 178, omit diagnosis of Janeia. 
212, bottom line, for “ lamine,” ead “lines.” 
213, line’2 from top, omit “and distinctly separated from each other.” 
— ,, 1%, for “and still an inhabitant,’ read “and is still an in- 
habitant.” 
» 219, line 17, place the name “Phillips” close after “NAUTILUS.” 
Letterpress to Plate VI,’ second page, line 1,~for “ Palechinus,” read 
“ Archeeocidaris.” The same correction in line 4. 
_ Pl. XIV, first page, line 15, omit “adductor.” 
Pl. XVII, line 7, insert “ Pleurotomaria antrina,” after 
figure “6.” 
,, 13, for “Frieislebeni,” read “ Freiesle- 
beni.” 
— e »» 25, imsert “Freieslebeni,” after figure “20.” 
_— Pl. XXVIU, line 4, for “granulosus,” read “ granu- 
latus.” 
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