92 The Philippine Journal of Science 



(18) Stiles, Ch. W. Notes on parasites. Journ. Comp. Med. & Vet. Sci. 



(1892), 13, 517; Bull. Soc. zool. France (1891), 16, 163. 



(19) Swellengrebel, N. H. Zur Kenntnis der Entwicklungsgeschichte 



von Isospora bigemina (Stiles). Arch. f. Protistenk. (1913), 32, 379. 



(20) Wenyon, C. M. Another human coccidium from the Mediterranean 



war area. Lancet (1915), 2, 1404. 



(21) Idem. The common intestinal protozoa of man. Ibid. (1915), 2, 1173. 



(22) Idem. The development of the oocyst of the human coccidium: An 



addendum. Ibid. (1915), 2, 1296. 



(23) Wenyon, C. M., and O'Connor, F. W. An inquiry into some problems 



affecting the spread and incidence of intestinal protozoal infections 

 of British troops and natives in Egypt, etc. Journ. Roy. Army Med. 

 Corps (1917), 28, 686. 



(24) Idem. The carriage of cysts of Entamoeba histolytica and other intes- 



tinal protozoa and eggs of parasitic worms by housefiies with some 

 notes on the resistance of cysts to disinfectants and other agents. 

 Ibid. (1917), 28, 522. 



(25) Woodcock, H. M. Brit. Med. Journ., Nov. 13, 1915. Cited by Wenyon 



(No. 21). 



