¹ See our Bibliography of the Ixodoidea, Cambridge, 1911; Lounsbury's papers are referred to by the numbers (1–5) respectively in these notes.

² The part played in pathology is excluded.

¹ Hadwen, and Nuttall, (1913) Parasitology, VI. 299–301, observed deaths in guinea-pigs to which larvae and nymphs of Dermacentor venustus were applied. Arãgao (1912, pp. 96et seq.) also noted fatal effects following the infestation of toads and snakes with Amblyomma agamum. In the absence of any parasites in the blood in any of these cases the deaths may, provisionally, be attributed to toxic secretions emanating from the ticks.Google Scholar

* Ricketts' papers are cited in Ticks Bibliographies I and II, q.v.

¹ Hunter and Bishopp.

² Maver.

^1–3 The data enclosed in brackets are cited from (1) Hunter and Bishopp, (2) Maver and (3) Hadwen.

¹ Fontainebleau (Dépt. Seine-et-Marne); Dépt. Indre; Dépt. Vienne; Compiègne (Dépt. Oise); Chantilly (Dépt. Oise).

¹ See the paper which follows (p. 457).

¹ Christophers, 1907 a, p. 4.Google Scholar

² Christophers, 1907 b, pp. 40–43.Google Scholar

³ Patton and Cragg, 1913, p. 642.Google Scholar