[345] Schwendener 1860, 1863 and 1868.

[346] Zukal 1895, p. 1305.

[347] Hue 1906.

[348] Heber Howe 1912.

[349] Hue 1911.

[350] Schwendener 1863, p. 180.

[351] Darbishire 1897.

[352] Rosendahl 1907.

[353] [See p. 96.]

[354] [See p. 133.]