—No.  1  Tender.—

SlUca 64.92

Alumina  25.53

Ferric  Oxide 2.14

Ume 33

Alkalis    50

Water  and  Organic  Matter 6.71

100.13
—No.  2  Tender.—

Silica   51.11

Alumina  34.60

Ferric  Oxide 3.75

Lime 56

Alkalis    03

Water  and  Organic  Matter 9.95

100.00
—No.  3  Tender.—

Silica   61.10

Alumina  28.75

Ferric  Oxide 1.43

Lime   27

Alkalis

Water  and  Organic  Matter 8.55

100.10

From  what  is  said  in  regard  to  them,  I  judge  that  tbe
strong  clays  are  considered  much  better  than  the  tender  clays.
These  analyses  are  of  value  for  comparison  only.
