[955] Stahl 1904.

[956] Lindsay 1859, 1869, 1871.

[957] Zopf 1896.

[958] Zopf 1898.

[959] Moreau 1916³.

[960] Vouaux 1912, etc.

[961] Bitter 1904.

[962] Zukal 1893.

[963] Lister 1911.

[964] Zopf 1897.