File:Forel 1892f.pdf

Forel, A. 1892f. Critique de: Peter Cameron. Hemenoptera [sic], Formicidae; Extracted from supplementary appendix to Travels amongst the Great Andes of the Equator by Edw. Whymper. London 1891. Ann. Soc. Entomol. Belg. 36: 255-256