. The practical study of malaria and other blood parasites. Malaria; Mosquitoes; Trypanosoma; Blood. 344 The Ixodidae are divided into two sub-families— 1. RhipicephaUnae.—Palpi not longer than broad, rostrum short. Anterior portion of body emarginate to receive the rostrum. 2. Ixodinae.—Palpi longer than broad, ros- trum long. Anterior portion of body straight or emarginate. The RhipicephaUnae are the most important from our standpoint, as to the genus Rhipicephalus belong most of the ticks that are known to trans- mit parasites. The various genera are Rhipice- phalus, [Boophilus], Haemaphysa
. The practical study of malaria and other blood parasites. Malaria; Mosquitoes; Trypanosoma; Blood. 344 The Ixodidae are divided into two sub-families— 1. RhipicephaUnae.—Palpi not longer than broad, rostrum short. Anterior portion of body emarginate to receive the rostrum. 2. Ixodinae.—Palpi longer than broad, ros- trum long. Anterior portion of body straight or emarginate. The RhipicephaUnae are the most important from our standpoint, as to the genus Rhipicephalus belong most of the ticks that are known to trans- mit parasites. The various genera are Rhipice- phalus, [Boophilus], Haemaphysalis, and Derma- Fig. 78. Tick under surface, shewing Anatomy and parts used for classification. {Aftev Salmon and Stiles) Genus Rhipicephalus Eyes present. Base of rostrum hexagonal (dorsally), forming on each side a projecting angle. Palpi short and broad. Stigmata, comma- shaped ; clypei, two pairs in the male. Coxae i, two large teeth. The genus includes nearly thirty species. Some of these, including the carriers of piroplasma, we may classify in the following way :—. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stephens, John William Watson, 1865-; Christophers, S. R. (Samuel Rickard), 1873-; Liverpool School of Tropical Medicine. London, Pub. for the Univ. Press of Liverpool by Williams & Norgate
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