Errata.
Page [96], 3d line from top, for 25c lilac read 24 cents.
Page [102] in lines 5, 6, 7 and 8 from bottom in last column for F2 G2 H2 I2 read F4 G4 H4 I4.
Page [103] in lines 16 to 20 in second column for S2 T2 U2 V2 W2 read S3, T3, U3, V3, W3.
Page [104] 5th line from bottom, omit u in "prolongued."
Page [143], 9th line from top for "follows" read "above."
Page [144], last line supply "test of" in the blank.
Page [196], 4th line from top for (") read "cochineal."
Page [196], 6th line from top, for "12 cents" read "15 cents."