_Deep Blue._--Dye with 1-1/2 lb. Oxydiamine black A, 2 lb. Diamine deep blue R, 3 lb. soda and 20 lb. Glauber's salt at the boil for one hour. _Blue._--Dye with 6 oz. Diamine blue 3 B, 1-1/2 oz. Diamine sky blue F F, 3 lb. soda and 10 lb. Glauber's salt. _Navy._--Dye with 4 lb. Diamine new blue R, 3 lb. soda and 20 lb. Glauber's salt at the boil for one hour. _Dark Navy._--Dye with 1-3/4 lb. Diamineral blue R, 3 lb. soda and 20 lb. Glauber's salt at the boil for one hour. _Sky Blue._--Prepare the dye-bath with 6 oz. Diamine sky blue F F, 3 lb. soda and 10 lb. Glauber's salt, working at the boil for one hour. _Dark Blue._--Use in the dye-bath 3 lb. Diamine blue R W, 2 lb. soda and 20 lb. Glauber's salt, working at the boil for one hour. _Dark Blue._--Prepare the dye-bath with 3 lb. Triamine black B T, and 15 lb. Glauber's salt; work at the boil to shade. _Blue._--Use 2 lb. Direct indigo blue and 15 lb. Glauber's salt; work at the boil. _Bright Blue._--Use in the dye-bath 3 lb. Titan como S N, 2 lb. acetic acid and 20 lb. salt, working at the boil for one hour. _Turquoise Blue._--Dye with 1 lb. Diamine sky blue, 1 oz. Diamine fast yellow B, 2 lb. soda and 10 lb. Glauber's salt, working at the boil to shade. _Dark Navy._--Use 4 lb. Titan navy R, and 20 lb. salt at the boil for one hour. _Green Blue._--Dye with 1 lb. Dianil blue G, 2-1/2 oz. Dianil yellow G, 1 lb. soda and 20 lb. salt at the boil for one hour. Many more formulae could have been given, but the above will perhaps suffice; they include all the best of the direct blues. Paler tints of blue may be got by using from 1 to 2 per cent. of any of these blues and also of the many direct blacks now on the market. The direct blues as a rule have a good degree of fastness to light. _Lilac._--Prepare a dye-bath with 1/4 lb. Hessian brown 2 M, 1 oz. Azo mauve A M, 1 lb. soap, 2 lb. soda, 10 lb. salt. Work at the boil for one hour, then lift, wash and dry. _Plum._--Dye with 3 lb. Oxydiamine violet G, 3 lb. soda and 20 lb. salt. _Dark Plum._--Use in the dye-bath 3 lb. Oxydiamine violet B, 3 lb. soda and 20 lb. Glauber's salt, working at the boil. _Violet._--Make the dye-bath with 3/4 lb. Oxydiamine violet B, 1 lb. soda and 10 lb. Glauber's salt, and dye at the boil to shade. _Violet._--Dye with 12 oz. Dianil blue 4 R, 2 oz. Dianil blue B and 10 lb. salt at the boil. _Lilac._--Dye with 1-1/2 oz. Diamine rose G D, 3/4 oz. Diamine sky blue F F, 1 lb. soda and 10 lb. Glauber's salt at the boil to shade. _Red Violet._--Make the dye-bath with 1/2 lb. Diamine violet N, 1/2 oz. Diamine brilliant blue G, 1 lb. soda and 10 lb. Glauber's salt, working at the boil. _Red Violet._--Dye with 1 lb. Diamine violet N, 1 lb. soda and 10 lb. Glauber's salt. _Bright Red Lilac._--Dye with 1-3/4 lb. Erika B N, 4 oz. Chicago blue 4 R, 3 lb. soda and 20 lb. Glauber's salt at the boil.