[435] Stizenberger 1895.

[436] Zukal 1895, p. 1355.

[437] Wainio 1909.

[438] Schwendener 1863, p. 169.

[439] Jatta 1889, p. 48.

[440] Zukal 1895, p. 1357.

[441] Rosendahl 1907.

[442] Zukal 1895.

[443] Reinke 1895, p. 183.

[444] Darbishire 1901.