WIED, MAXIMILIAN ZU 1826. Beiträge zur Naturgeschichte von Brazilien, vol. 2, Mammalia, 600 pp., 6 pls., Weimar. WINGE, HERLUF 1888. Jordfundne og nulevende Gnavere (Rodentia) fra Lagoa Santa, Minas Gerais, Brasilien. E Museo Lundii Afhandlinger, 1(3):1-178, pls. 1-8. 1941. The interrelationships of the mammalian genera. Translated from Danish by E. Deichmarm and G. M. Allen. København, 3 vols. (vol. 1, xii + 418), 3 pls., 1941; vol. 2, 376 pp., 1941; vol. 3, 308 pp., 1942. _Transmitted, December 1, 1947._ 22-3343 Transcriber's notes: - inconsistent use of m (for meter/s) throughout the whole book. e.g.: 100 m or 120 m, etc. - 'TABLE 1.--Measurements (in millimeters) of adults of _Proechimys_' left in its (remaining) width ( > col. 75) for best possible overview. End of the Project Gutenberg EBook of Speciation in the Brazilian Spiny Rats, by João Moojen