[328] Reuvens, "Die Myoxidae oder Schläfer," Leyden, 1890, allows but one genus, Myoxus, the other genera adopted here being termed subgenera.

[329] To which a sixth, the "Yellow-necked Mouse," Mus flavicollis, may perhaps be added.

[330] For anatomy see Windle, Proc. Zool. Soc. 1887, p. 53.

[331] Proc. Zool. Soc. 1889, p. 247.

[332] Trans. Zool. Soc. xiv. 1898, p. 377.

[333] Nouv. Arch. Mus. iii. 1867, p. 81.

[334] Popular Natural History of Animals, London, 1898.

[335] Proc. Zool. Soc. 1863, p. 95.

[336] See O. Thomas, "On some Mammals from Central Peru," Proc. Zool. Soc. 1893, p. 333.

[337] "Notes on the Rodent genus Heterocephalus," Proc. Zool. Soc. 1885, p. 845.