وو

for (MnSO4) read (MnSO).

32, 21 from top, for 94 read 64.
39, 5

bottom of text, dele have.

48, in the table, for HC read H ̧¤. And for H.Si read H ̧Si.
53, 3 from top, for (HgCl),, (HgCl2).

58,3

for H2O » Hạt.

"

63, in table, for → read 2.

دو

233, 17 "
239, 18

254, 18

bottom read, Sp. Gr. of Vapour, 5873; Observed, 5′939; of
liquid at 32°, 1'5237: Boiling-pt. 138°.

289, last line of table, for H,,,H,, read н ̧¤, 2 H2O.

344, 10 from top, for red read black.

POS

Ba 2 P.

3 PCI,S.