New Species of North American SiphonapteraPublished in Bulletin of the Brooklyn Entomological Society, in 1919, in volume 14, pages 49-62Concerning the subspecies of Sarcophaga dux ThomsonPublished in Bulletin of the Brooklyn Entomological Society, in 1919, in volume 14, pages 41-46
Concerning the subspecies of Sarcophaga dux ThomsonPublished in Bulletin of the Brooklyn Entomological Society, in 1919, in volume 14, pages 41-46