[565] Darbishire 1900.

[566] Baur 1904.

[567] Lindau 1888.

[568] Darbishire 1900.

[569] [See also p. 180.]

[570] Nienburg 1908.

[571] Wainio I. 1890.

[572] Darbishire 1900.

[573] Baur 1901.

[574] Baur 1904.