[84] Proc. Roy. Soc., B, lxxxvii, p. 516.

[85] Annals Trop. Med. and Parasitol., vi, pp. 103, 331.

[86] Proc. Roy. Soc., B, lxxxvi, p. 187.

[87] Mem. Inst. Oswaldo Cruz., i, p. 159.

[88] Brazil Medico, Nov. 15, 1910. Longer account in Mem. Inst. Oswaldo Cruz, iii, pp. 219–275. See Sleep. Sick. Bull., Nos. 35 and 40.

[89] Mem. Inst. Oswaldo Cruz, iii, p. 276.

[90] Rev. Med. S. Paulo (1912), xv, p. 337.

[91] “Protozoa,” p. 294.

[92] C. R. Acad. Sci., clv, p. 658.

[93] Parasitology, iii, p. 360.