EEEATA. 



Page 133, line 12 from top, for " C. decussatus" read " C. decussata." 



264, line 13 from top, for " trunculus" read "vittatus" 



,, 280, line 6 from bottom, for " variatal" read " varietal." 



,, 349, line 11 from top, for " striatula" read "gallma." 



357, line 13 from top, for "elliptica, var. oblonga" read " oblonga" 



390, line 2 from top, for " Hypothyris " read " Rhynchonella" 



402, line 17 from top, the word "types " should not be in italics. 



