THE H^MOPLAGELLATES. 



233 



The Haemoflagellates : a Review of Present 



Knowledge relating to the Trypanosomes 



and allied forms. 



{Continued from page 231.) 



By 



H. ITI. l^Voodcock, D.Sc.CLoiKl.). 



With Text-figures. 



CONTENTS. 



8. Multiplication 



9. Comparative account of the life-cycle 



10. The " Leishman-Donovan-Wriglit " bodies 



11. Phylogeny and evolution 



12. Systematic enumeration 



13. Appendix. — The question of the Spirochtetj 



14. Bibliography . . . . . 



PAGE 



233 



242 

 254 

 267 

 283 

 311 

 322 



Section VIII. Multiplication. 



Binary longitudinal division is^ probably, of universal 

 occurrence, and appears to be the usual method of multipli- 

 cation,^ at any rate, in the Trjpanosome phase. T. lewisi, 



' Certain authors (e. g. Eabinowitsch and Kemj^ner, and Voges) have 

 described stages in T. lewisi and T. equinum, which they consider as 

 indicative of transverse division, but it is very unlikely that these represent 

 normal dividing forms ; none of the more recent investigators of the same 

 (or other) parasites have observed such a method, and, in short, these stages 

 are to be placed in the category of involution forms showing irregular 

 segmentation, to which reference has just been made. 



VOL. 50, PART 2. — NEW SERIES. 17 



