[1145] Fink 1902, etc.

[1146] Arnold 1891.

[1147] Mayfield 1916.

[1148] Paulson and Thompson 1913.

[1149] Lesdain 1910².

[1150] Lettau 1911.

[1151] Fink 1903.

[1152] Wheldon and Wilson 1907.

[1153] Arnold 1892, p. 34.

[1154] Wheldon and Wilson 1915.