The American Spider Genera Spintharus and Thwaitesia (Araneae Theridiidae)
Published in Psyche: A Journal of Entomology, in 1963, in volume 70, issue 4, pages 223-234
Date published:1963
Published in Psyche: A Journal of Entomology, in 1963, in volume 70, issue 4, pages 223-234
Date published:1963