REFERENCES
- Flu, P. C. (1908). Ueber die Flagellaten im Darm von Melopbagus ovinus. Archiv für Protistenkunde, XII, pp. 147–153. One plate.
- Mackinnon, D. L. (1909). Note on two New Flagellate Parasites in Fleas—Herpetomonas ctenophthalmi, n. sp., and Crithidia hystrichopsyllae, n. sp. Parasitology, II, pp. 288–296. One plate.
- O'Farrell, W. R. (1913). Preliminary note on a New Flagellate, Crithidia byalommae, sp. nov., found in the tick Hyalomma aegyptium, Linnaeus, 1758. Journal of Tropical Medicine and Hygiene, Vol. XVI, pp. 245–246.
- Patton, W. S. (1908). The Life-Cycle of a species of Crithidia parasitic in the Intestinal Tract of Gerris fossarum, Fabr. Archiv für Protistenkunde, XII, pp. 131–146. One plate.
- Patton, W. S. (1909). The Life-Cycle of a species of Crithidia parasitic in the Intestinal Tracts of Tabanus bilarius and Tatanus, sp. Archiv für Protistenkunde, XV, pp. 333–362. One plate.
- Patton, W. S. (1909). A Critical Review of our Present Knowledge of the Haemoflagellates and Allied Forms. Parasitology, I, pp. 91–143.
- Patton, W. S., and Strickland, C. (1908). A Critical Review of the Relation of Bloodsucking Invertebrates to the Life-Cycles of the Trypanosomes of the Vertebrates, etc. Parasitology, I, pp. 322–346.
- Pfeiffer, E. (1905). Ueber trypanosomenahnliche Flagellaten im Darm von Melopbagus ovinus. Zeitschrift für Hygiene und Infektionskrankheiten, I, pp. 324–29. One plate.
- Porter, Annie (1909). The Morphology and Life-History of Crithidia gerridis, as found in the British Water-Bug, Gerris paludum. Parasitology, II, pp. 348–366. One plate.
- Porter, Annie (1910). The Structure and Life-History of Crithidia melophagia (Flu), an Endoparasite of the sheep-ked, Melophagus ovinus. Quarterly Journal of Microscopical Science, Vol. LV, pp. 189–224. Two plates.
- Sambon, L. W. (1903). Sleeping Sickness in the light of recent knowledge. Journal of Tropical Medicine, Vol. V, p. 207, Col. 1, paragraph under Fig. 4.
- Swingle, L. D. (1909). A Study on the Life-History of a Flagellate (Crithidia melophagi, n. sp.) in the Alimentary Tract of the sheep-tick (Melophagus ovinus). Journal of Infectious Diseases, VI, pp. 98–121. Three plates.