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[495] Arch. f. Ent.-Mech., i., 1895; ii., 1896.
[496] Arch. f. mikr. Anat., xliii., 1893.
[497] Arch. f. Ent.-Mech., iii., 1896.
[498] Arch. f. Ent.-Mech., i., 1895.
[499] Anat. Anz., x., 1895.
[500] Arch. f. Ent.-Mech., iv. 1897.
[501] Arch. f. Ent.-Mech., ii., 1896.
[502] Arch. f. Ent.-Mech., iii., 1896.
[503] Journ. exper. Zool., i., 1904.