INDEX. 129 
PAGE TABLE 
PECTEN ineequicostatus set 32... ... XMXXIII, figs. 1, 1a. 
—  Michelensis st i 34... =... ~=X XXIII) fig. 3. 
— rigidus... ‘iss ee: SH cy dng SM, THE ANG 
—  Rushdonensis Se ae 38) re can MONOD oat Aloe. 
—  subspinosus =F doot lates key. 2b Fire, Tet 
— Wollastonensis ... fad OB Bde pg 2 O-O.GIUG TEE, OE GE GLO 
PERNA foliacea Aa “st ye Bi} eee bro OO, SHE Sh GAC 
— mpytiloides ... ane Be Poe cs 2.0.0: Sif BE 
— obliqua a ie i) WU cc) app PRONCXULVE en DOO Ores 
PHOLADOMYA deltoidea __.. Ene 86. ... XLII, figs. 4, 4a. 
—_— lyrata ae 87. XDI feshossia: 
— ovulum ah Sat ee PREG heer Srelisics 
— Phillipsi ie = gen oon OI aie, Os AG 
PLACUNOPSIS semistriatus _.. oy 30 : .. XXXIII, figs. 9, 9a. 
Sowersya triangularis aes 66 ... ... XXKXV, figs. 3, 3a, 6. 
— Woodwardi .... ad (YA ban one IE Pr / Ch 2, 
TaNcreEpt1a gibbosa 3 ba 68 ee ee OMX fie 7/5 Vie TI 
oe mactreeoides _.. Ade (lhe eae eho CON Onis EE 
— similis ... es Hae G8) Fen eee OV fie Oe 
THRACIA amygdaloidea Bee 80) es ee MUI eae 
TRIGONIA arata.... ae ee BO ee eee XC fies 2s 
— Bathonica ir ad OY) oop con TR 
—  Cassiope ae ca A) ee oon SOONG i, 1100), 
— clythia ae AS NON sey) ceed CONXVIE ies 27 XS fiest Dy orcs 
— _compta D0 5a BX np en THES Le 
— elongata a ee 48... ... XXXIX, figs. 6,64. 
—  NScarburgensis ... io AS Gog con 0-0-0) Unites TI, 
—  tripartita et ae OS ee eae Xi fie 4) 
— tubereulosa a Pe CE eon, con OAUSITES i, 
LONDON: PRINTED BY J. E. ADLARD, BARTHOLOMEW CLOSE, E.C. 
