1. Dorsum of abdomen ochraceous buff or buff;

1. Chapter 1 2. 3. _Polycladida_ 212 3. Introduction 617 4. introduction of the eggs of tapeworms. 5. 1878. 8vo. Supplement, including the years 1878–1888, Hanov., 1888. 6. 1890. Genova, 1894. 8vo. 7. 1912. Paris: Masson and Co. 8. 1913. Christian Literature Society of India: London, Madras, and 9. 1. _Bodo_, Stein, 1878, without a kinetic nucleus and undulating 10. 2. _Prowazekia_, Hartmann and Chagas, 1910, with a kinetic 11. 3. _Trypanoplasma_, Laveran and Mesnil, 1901, with a kinetic 12. 1. The infection begins with _elementary bodies_ or _elementary 13. 2. Inside the host cell the elementary body grows in size, and becomes 14. 3. A reaction on the part of the host cell results, for nucleolar, 15. 4. The body next breaks up into a number of smaller bodies known as 16. 227. _c.v._, caudal vesicle or bladder (small); _sec. c._, secondary 17. 1889. Stiles, in a work recently published, states that there were 18. 1912. The symptoms are unlike spotted fever. For full details of this 19. 1. Dorsum of abdomen ochraceous buff or buff; 20. 2. Third joint of antennæ pale (cream buff to 21. 3. Dorsal surface of abdomen dark sepia brown; 22. 1. Hind tarsi entirely dark; small slender 23. 2. Last two joints of front and middle tarsi 24. 3. Third joint of antennæ with a distinct fringe 25. 1. Third joint of antennæ fringed with fine hair 26. 2. Longest hairs in fringe on front margin of 27. 3. Pleuræ drab-grey or isabella-coloured, hind 28. 1. Dorsum of thorax with four sharply defined 29. part I) to be largely concerned in the spread of amœbic dysentery in 30. INTRODUCTION. 31. 4. They do not always produce such striking symptoms as occurred in 32. 2. Aufl., 1866.