1892.] NEW YORK ACADEMY OP SCIENCES. ' 163 



Wash and dye in separate bath ^-1 hour 80°-100° 4.0-60 gms. 

 dye-wood; add 2-6 percent. Chalk. Brighter reds by adding to 

 mordanting bath 1 per cent. SnCIj and same amount old Fustic. 



Cam-wood. 



Glaret-hrown.—^o. 1 (10120), 40 per cent. Nq 2 (10121), 80 

 per cent. 



0.5-2.0 gm. 'K.S^v^O^ dye in separate bath 4.0-8.0 gms. dye- 

 wood ; or, 



Boil wool 1-2 hours in bath of 4.0-8.0 gms. of dye-wood, to a 

 verv" full brownish-red color ; then in same, or, better, separate 

 bath of 0.2 gm. K^Cr^O, ^ hour. 



Pink.— 1^0. 3 (10122) 10 per cent. No, 4 (10123), 40 per cent. 

 No. 5 (10124), 80 per cent. 



Boil with 1.0 gm. wood 1-2 hours and dye in 1.0 gm. Al2(SOj3 

 in separate bath. 



40 per cent., red ; 80 per cent., deep red. 



No. 1 (10125) SnCl,. 



SnClj 0.100 gm. 



Tartar 1.000 " 



(HCl) q. s. 



Boil for H hours ; take out, wash, and dye in a separate bath 



Wood 5.00 gms. 



Boil for 1 hour. tJse distilled water. 



o' 



No. 2 (10125) CuSO,. 



Boil in a bath of the wood for 1 hour. 



Wood 5.000 gms. 



CaCOj 0.100 gm. 



Take out, v/ash, and sadden with 



CuSO, 0.800 " 



Boil for ^ hour. 



No. 3. FeSO,. 



The same as No. 2, but use FeSO^ . , 0.500 gm. 



Sapan-wood. 



No. 10135, 10136. Sn. 



SnCl, ...... 0.100 gm. 



Tartar 1.600 gms. 



Boil for 1^ hours ; take out, wash, and dye in a bath of 



Wood ...... 5.00 gms. 



No lime-salts must be present. Use distilled water. 



