The Cambridge natural history,

Vols. 1, 2, 5-7, 9 reprinted 1922; v. 3, 1927; and vols. 4, 8, 10, 1923.

Acarologists of the world: a directory.

Issued by the National Institutes of Health, Rocky Mountain Laboratory, Hamilton, Mont. and the Department of Zoology, University of Oklahoma.

Notas sobre Ixodidas Brazileiros. Notas sur les Ixodidés du Brésil,

Text in French and Portuguese in parallel columns.

The genera Boophilus, Rhipicephalus, and Haemaphysalis (ixodiadae) of the new world,

Mode of access: Internet.

Zur Anatomie und Histologie von Ixodes reduvius /

"Abdruck aus den Zoologischen jahrbüchern. Hrsg. von prof. dr. J. W. Spengel ... Abteilung für Anatomie und Ontogenie der Tiere. 25. Bd., Hft. 4, 1908".

The Cambridge natural history,

--VI. Insects, pt. II. Hymenoptera continued (Tubilifera and Aculeata), Coleoptera, Strepsiptera, Lepidotera, Diptera, Aphaniptera, Thysanoptera, Hemiptera, Anoplura. By David Sharp. 1901.--VII. Hemichordata, by S.F. Harmer. Ascidians and Amphioxus, by W.A. Herdman. Fishes (exclusive of th systematic account of Teleostei) by T.W. Bridge. Fishes (systematic account of Teleostei) by G.A. Bonlenger. 1904.--VIII. Amphibia and reptiles, by Hans Gadow. 1901.--IX. Birds, by A.H. Evans. 1900--X. Mammalia, by F.E. Beddard. 1902.