1874. Butler. Notes on the impression of Palæontina oolitica in the Jermyn Street Museum. Geol. Mag. [2], I, 446-449, pl. 19.
Defends the lepidopterous character of Palæontina and gives new illustrations of the same.
1874. Smith. Discovery of Remains of Plants and Insects. Nature, XI, 88.
Enumerates fossils found at Gurnet Bay, and specifies among them “butterflies.”
Sehn wir daher durch das Fenster,
In das alte Schattenreich,
Sehen wir da statt Gespenster,
Wesen, die den jetz’gen gleich;