The Coccidia / Clarence A. Speer -- Lumen dwelling Protozoa / Louis S. Diamond -- Leishmania / K.P. Chang and Wallace R. Fish -- Plasmodium / James B. Jensen -- African Trypanosomes / George C. Hill and Hiroyuki Hirumi -- Cultivation and in vitro studies of Baḅesia / Michael G. Levy and Miodrag Ristic -- Theileria / C.G.D. Brown.