
Beatrice Whistler looking at her birds dates from 1894.

Beatrice Whistler looking at her birds, The Hunterian
The drawing is catalogued in MacDonald 1995 (cat. rais.) [more] (cat. no. 1398) dated '1893/5'.

Beatrice Whistler looking at her birds, The Hunterian
The garden behind Whistler's House, 110 Rue du Bac, Paris.

Beatrice Whistler looking at her birds, The Hunterian
Beatrice Philip (Mrs E. W. Godwin, Mrs J. McN. Whistler) (1857-1896).

Beatrice Whistler looking at her birds, The Hunterian
This was intended as a lithograph but never completed or transferred to a lithographic stone for printing.
This is a sheet of papier végétal paper, obtained from the Paris printer Lemercier & Cie. The drawing is on the gummed side, ready for transfer to a lithographic stone. 1
It was not, as far as is known, exhibited in Whistler's lifetime.
1: Spink 1998 [more], vol. 1 (cat. no. XII), pp. 509-11.