N. H. SWELLENGREBBL 
459 
Figs. 95-105. Case No. 5. 
Figs. 95-98. Production of blastocysts from Limax amoebae by formation of a 
central vacuole. 
Figs. 99-101, 104. Dark staining patches in the sphere. 
Fig. 102. Linear cytoplasm. 
Fig. 103. Form resembling a stage of sporalation as described by AlexeiefF. 
Fig. 105. Division. 
REFERENCES. 
AiEXEiEFF (1911). C. R. Soc. de biol. Lxxr. 296. 
Bensen (1910). Arch. f. Protistenk. xxin. 96. 
Bohne and Prowazek (1908). Ibid. xn. 1. 
Bbumpt (1912). Bull. Soc. pathol. exot. v. 725. 
Chatton and Laluno Bonaire (1912). Ibid. v. 135. 
James (1915). Ann. Trop. Med. and Parasitol. vni. 133. 
Kuenen and Swellengrebel (1913). Gentralbl.f. Bakteriol. Abt. I. Orig. lxxi. 278. 
Low (1916). Joum. Trop. Med. and Hygiene, xix. 29. 
Mathis (8. vi. 1913). Bull. Soc. med. chirurg. de VIndochine, rv. No. 7. 
P6rez (1907). C. R. Soc. de biol. n xm . 445. 
Prowazek (1911). Arch. f. Protistenk. xxm. 96. 
Scott Macite (1915). Ann. Trop. Med. and Parasitol. ix. 507. 
Wenyon (1910). Parasitology, m. 210. 
