I 



Page 108 Cuma (angulifera) and Rapana (p. 109) are Purpurse. 

 115 Cithara, Schum. belongs to Jam. Conida. 



127 line 15 add Syn. Polyphemopsis, Portlock. 



128 " 2 for " Triphoris," read " Triforis." 



"9 for " eidos, facies" read " ides, patronymic termination.' 



129 Fastigiella; Fossil, Eocene. Paris (Cerithium rugosum. Lam.) 

 131 /or " Paehystoma, Gray" read " Chilostoma, Desh." 



132 Remove Aclis to the Pyramidellida. 



line 3 from bottom, (and PL IX. fig. 4) for " A. perforata, Mont, 



MS." read " A. supranitida, Wood." 



135 line 4 erase " Nina, Gray." 



"6 for " many-whirled" read " few- whirled." 



136 (and PI. IX. fig. 24) for " Litiopa bombix" read " L. bombyx." 

 142 Navicella inhabits freshwaters, adhering to stones and plants. 

 145 line 30 for " Maclurea, Les." read " Straparollus, D'Orb." 



154 line 6 from bottom, for " Pattison" read " R- Patterson,." 



155 Metoptoma is a sub-genus of Pileopsis, not Patella. 

 Exp. Plates. PI. V. fig. 5, fcr " California" read " W. Indies." 



fig. 7, for " China" read " W. Indies." 

 VII. fig. 15, for " Philippines" read " Tahiti." 

 XII. fig. 13,/or "Australian Ids." read " Tahiti." 



fig. 43, for " Sby. Philippines" read " Gray, i 



Jamaica. 



Page 165 (rtandina; the Lusitanian Bulimus Algirus belongs to this genus. 

 168 line 15 insert " devour" before "animal substances." 

 16 for " Megaloma" read ' c Lomastoma." 

 3 from bottom, erase " ^Etheria has a large foot." 

 25 erase " Aucella, Keyserling ;" it is a pearly shell, distinct 

 from Monotis of Minister. 



