"and evoked a barely visible wraith of Trilby"
'Artist's Workshop' by Waliszewski (1917)
Public Domain'Artist's Workshop' by Waliszewski (1917) - Credit: Zygmunt Waliszewski

This is a reference to George du Maurier's 1894 bestselling novel Trilby. The heroine, Trilby O'Ferrall, is an artist's model in Paris.