1. Further References will be found in some of the memoirs cited.
2. Sur la structure et le mode de multiplication des Flagelles du genre Herpetomonas, Kent;Leger L.;4C. R. Acad. Sci., Paris,',1902
3. Notes sur les Pediculid 6s, II;Neumann L. G.;`Archives de Parasitologie,',1911
4. Porter Annie (1909). 44 The Life-cycle of Alimentary Tract of Nepa cinerea4Parasitology 5vol. 2 pp. 367-391.
5. Porter Annie (1911). " The Structure and Life-history of pulicis n. sp. Parasitic in the Alimentary Tract of the Human Flea Pulex `Parasitology 5vol. 4 pp. 237-254. 1 plate.