[64] Annals Trop. Med. and Parasitol., vi, p. 331.

[65] Proc. Roy. Soc., B, lxxxv, pp. 156, 483.

[66] Annals Trop. Med. and Parasitol., vii, p. 339; viii, p. 379.

[67] Proc. Roy. Soc., B, lxxxiii, p. 28.

[68] Stephens and Fantham (1912–13), Proc. Roy. Soc., B, lxxxv, p. 223, and Annals Trop. Med. and Parasitol., vii, p. 27.

[69] Annals Trop. Med. and Parasitol., i, p. 441.

[70] Proc. Roy. Soc., B, lxxxiii, p. 212.

[71] Proc. Roy. Soc., B, lxxxii, p. 411.

[72] Annals Trop. Med. and Parasitol., iv, p. 417.

[73] Proc. Roy. Soc., B, lxxxv, p. 423.