[1024] Heinecke, Münch. med. Wochenschr., 1901.

[1025] Buy, “Histoire naturelle et médicale des Ixodes,” “Thèse de Lyon,” 1906.

[1026] Jelgenum, Med. Weekblad v. Noord- en Zuid-Nederland, 1901, i, No. 24.

[1027] [This is produced by a distinct species, vide pp. 519–20.—F. V. T.]

[1028] Nagelschmidt, Med. Klin., 1907, xxxv.

[1029] Sachs, Deutsch. med. Wochenschr., 1900.

[1030] Sack, “Handb. d. Hautkrankh.,” v. Mraček.

[1031] Juliusberg, Therap. Monatsh., 1901.

[1032] Pfeiffenberger, Klin. therap. Wochenschr., 1900.

[1033] Rille, “Die Heilkunde,” 1900.