[71] T.M. 7, p. 74.
[72] Bull. Imp. Univ. Odessa 85, p. 1, and T.M. 7, p. 67.
[73] P.T. 187 A, p. 345.
[74] P.R.S. 76 A, p. 181.
[75] Bull. Soc. Imp. des Naturalistes de Moskau, 1893, no. 4, p. 381, and T.M. 1, p. 50.
[76] Forsch. zur deut. Landes- u. Volkskunde, 1898, Bd. xi, 1, and T.M. 3, p. 77.
[77] P.R.S. 76 A, p. 507.
[78] Adams, Scientific Papers, II. p. 446.
[79] B.A. Report for 1898, p. 109.
[80] Abhand. der bayer, Akad. der Wiss., 1895, vol. 19.