Proc. Camb. Phil. Soc. x. 1900, p. 236; Trans. Zool. Soc. xvi. Pt. ii. 1901, p. 115.
Amer. Nat. xxxiii. 1899, p. 721; Science (2), ix. 1899, p. 314.
Budgett, Trans. Zool. Soc. xv. Pt. vii. 1901, p. 330.
Trans. Zool. Soc. xvi. Pt. ii. 1901, p. 118; also footnote on p. 317.
p. [290].