[44] Arch. f. Protistenk., xxxiv, p. 1.
[45] Bull. Soc. Med. Chirurg. Indo-Chine, v, p. 55.
[46] Arch. f. Protistenkunde, Suppl. i, p. 169.
[47] Lancet, 1859, ii, p. 503.
[48] Annals Trop. Med. and Parasitology, vi, p. 245.
[49] Arch. f. Protistenk. xxii, p. 370.
[50] Geneesk. Tijdschr. v. Nederl. Ind., lii, p. 659; Med. v. d. Burg. Geneesk. d. Nederl. Ind., iii, p. 1.
[51] Mem. Inst. Osw. Cruz., ii, p. 64.
[52] Bull. Soc. Med. Chir. Indo-Chine, i, p. 471.
[53] Gruby’s generic name is generally accepted. Still others have been used, e.g., Undulina, Ray Lankester, Globularia Wedl, Paramecioides Grassi, Trypanomonas Danilewsky, Hæmatomonas Mitrophanow.