Papers from the Hopkins Stanford Galapagos Expedition; 1898-1899. VII. Entomological Results (6). Arachnida. With field notes by Robert E. SnodgrassPublished in Proc. Wash. Acad. Sci, in 1902, in volume 4, pages 49-86Papers from the Hopkins Stanford Galapagos expedition, 1898-1899. X. Entomological results (8). Mallophaga from birdsPublished in Proc. Wash. Acad. Sci, in 1902, in volume 4, pages 457-499
Papers from the Hopkins Stanford Galapagos expedition, 1898-1899. X. Entomological results (8). Mallophaga from birdsPublished in Proc. Wash. Acad. Sci, in 1902, in volume 4, pages 457-499