(Amblyomma, Haemaphysalis).

NUTTALL, G. H. F. (1912) Notes on ticks. 2. (1) New species (2) Ixodes putus: descrip tion of the hitherto unknown larval stage. Parasitology, 5(1):50 60.

(1913A) Note on coloration in ticks. I Ibid, 6(1):49-51.

(1913B) Observations on the biology of Ixodidae. Part I. Ibid, 6(1):68118.

(1913C) Notes on ticks. 3. On four new species of Ixodes. Ibid, 6(2):113-138.

(1913D) Rhipicephalus appendiculatus: variation in size and structure due to nutrition. Ibid, 6(2):195– 203.

(1914A) Tick abnormalities. Ibid, 7(3):250257. (1914B) Penetration of Ixodes beneath the skin. Ibid, 7(3):258259.

(1915) Observations on the biology of Ixodidae. Part 2. Ibid, 7(4):408456.

(1916) Notes on ticks.

4. Relating to the genus Ixodes and including a description of three new species and two new varieties. Ibid, 8(3):294-337.

(1919) Observations on the biology of the Ixodidae. Part 3. Dealing with the behaviour of the sexes in Amblyomma hebraeum, Hyalomma aegyptium and Rhipicephalus bursa when upon the host. Ibid, 11(3-4):393–404.

L6.

(1920A) On coloration in ticks. 2. Ibid, 12(1):

(1920B) Regeneration of the mouthparts and legs

in ticks. Argas persicus, Amblyomma hebraeum and Hyalomma aegyptium.

Ibid, 12(1):7-26.

NUTTALL, G. H. F. (1921) A note on the external characters which serve to differentiate the sexes. Parasitology, 13(4):

345-347.

(1925) Acarina (Ixodidae), in: Parasitologia Mauritanica. Materiaux pour la fauna parasitologique en Mauritanie. Bull. Com. A.O.F., §(1):100_101.

NUTTALL, G. H. F. & MERRIMAN, G. (1911) The process of copulation in Ornithodorus moubata. Parasitology, 4(1):39-45.

Idem, pp: 318323 in: Nuttall et al, Ticks. A Monograph of Ixodidae (1911).

NUTTALL, G. H. F. & ROBINSON, L. E. (1915) Bibliography of the
Ixodidae II, in: Nuttall et al, Ticks.

of the Ixodoidea. 32 pp.

A Monograph

NUTTALL, G. H. F. & STRICKLAND, C. (1909) On the presence of an anticoagulin in the salivary glands and intestines of Argas persicus. Parasitology, 1(4):302-310 (1908).

NUTTALL, G. H. F. & WARBURTON, C. (1908) On a new genus of the Ixodoidea together with a description of eleven new species of ticks. Proc. Camb. phil. Soc. 14(4):392_ 416 (1907).

(1911) Ixodidae. Part 2,

Section I. Classification. Section II. The genus
Ixodes. pp. (i)-xix, 105-348, in:Nuttall et al, Ticks.
A Monograph of the Ixodoidea.

(1915) The genus Haemaphysalis. Part 3, pp. (i)-xiii, 349-550, in: Nuttall et al, Ticks. A Monograph of the Ixodoidea.

(1916) Ticks of the Belgian

Congo and the diseases they convey. Bull. ent. Res.,
6(4):313-352.

NUTTALL, G. H. F., COOPER, W. F. & SMEDLEY, R. D. (1906) The buccal apparatus of a tick (Haemaphysalis punctata C. and F.). Rep. Brit. Ass. (75. Meet. S. Afr., 1905), pp. 439-441.

NUTTALL, G. H. F., COOPER, W. F. & ROBINSON, L. E. (1908A) The

structure and biology of Haemaphysalis punctata Canes trini and Fanzago. 1. Parasitology, 1(2):152181.

(1908B) On

the structure of Haller's organ in the Ixodoidea.
Ibid, 1(3):238242.

(1908) On

the structure of the spiracles of a tick, Haemaphys alis punctata, Canestrini and Fanzago. Ibid, 14):347-351.

NUTTALL, G. H. F., ROBINSON, L.E. & COOPER, W. F. (1911) Biblio_ graphy of the Ixodoidea, in: Nuttall et al, Ticks. A Monograph of the Ixodoidea. 68 pp.

NUTTALL, G. H. F., WARBURTON, C., COOPER, W. F. & ROBINSON, L.E.
(1908-1926) Ticks. A Monograph of the Ixodoidea.
Parts 14. Cambridge. (Quoted in text as: Nuttall

et al followed by year of publication of individual
part. Part 4 is Robinson 1926).

O'FARRELL, W. R. (1913A) Preliminary note on a new flagellate, Crithidia hyalommae, sp. nov., found in the tick Hyalomma aegyptium (Linnaeus 1758). J. trop. Med. (Hyg.), 16(6): 245 246.

(1913B) Hereditary infection, with special reference to its occurrence, in Hyalomma aegyptium infected with Crithidia hyalommae. Ann. trop. Med. Ann. trop. Med. Parasit., 7(4):545-562.

OLD, J. E. S. (1909) Contribution to the study of trypanosomiasis and to the geographical distribution of the blood sucking insects. J. trop. Med. (Hyg.), 12(2):15-22. J. trop. vet. Sci., 4(3):395–4167.

Idem:

OLENEV, N. O. (1926) On the distribution of Argas persicus Oken, in SSSR. (In Russian). Vet. Truzh., 2(12):13-14.

(1927) Sur la classification et la distribution geographique des Ixodides. (In Russian; French sum mary). C.R. Acad. Sci. U.R.S.S., A(14):219-224.

(1928A) Biological observations on the Persian tick (Argas persicus persicus, F.-W.). (In Russian). Pl. Prot. Leningr., 5(1):5-14.

(1928B) Sur la classification et la distribution géographique des Ixodides. II. (In Russian, species diagnosis and title in French). C.R. Acad. Sci. U.R.S.S., A(2):29-34.

(1929A) The study of the Ixodoidea of our country. In Russian). Vestnik. Sovreum. Vet., (80-81) 5(78):

191-193.

(19298) Contributions à la connaissance des Ixodides de la faune paléarctique. (In Russian, French summary). Annu. Mus. Zool. Acad. St. Pétersb., 30(2):305–314.

OLENEV, N. O. (1930) Résultats scientifiques des travaux des expé ditions de 1928 et 1929 pour l'étude des parasites des animaux domestiques au Kazakstan. (In Russian). C.R. Acad. Sci. U.R.S.S., A(22):604-610.

(1931A) The parasitic ticks, Ixodoidea, of the fauna of the USSR. (In Russian). Tab. anal. Faune U.R.S.S., 4: 125 pp.

(1931B) Contribution to the classification and geographical distribution of the ticks (Ixodoidea). V. (In Russian). Mag. Parasit., Moscow, 2:249–261.

(1931C) Zie Zecken (Ixodoidea) der Fauna Russlands. . Parasitenk., 4(1):126139.

(1934) Les limites septentrionales de la distribu tion des tiques Ixodoidea sur les continents du globe terrestre. (In Russian. French summary). Bull. Acad. Sci. U.R.S.S., (2-3):367-388.

(1950) New data on the effect of poisons from higher plants on ticks and insects. (In Russian). C.R. Acad. Sci. U.R.S.S., n.s., 75(1):149-151.

OLIVIER, J. (1924) Notes sur la fièvre récurrente. Ann. Soc. belge Med. trop., 3(3):365-376.

OMER COOPER, J. & WHITNALL, A. B. M. (1945) An arsenic-resistant tick (Boophilus decoloratus). Nature, Lond. (3963), 156:450 451.

OPPERMANN, E. (1935) Die Entstehung des Riesenspermien von Argas columbarum (Shaw) (reflexus F.). Z. mikr.- anat. Forsch., 37(4):538560.

ORDMAN, D. (1939) An outbreak of African relapsing fever in the Cape Province. S. Afr. med. J., 13(13):491–498.

(1941) The occurrence of relapsing fever and the geographical distribution of Ornithodorus moubata in South Africa. With an account of investigations carried out in the northern and eastern Transvaal. Ibid, 15(19): 383-388.