198 



H. M. WOODCOCK. 



distinct centrosome (a.c), which, as above-mentioned, dis- 

 appears during the formation of the flagellum in the other 

 trypaniform types. Posteriorly, the locomotor apparatus also 

 terminates in a centrosome (p.c) just in front of the last 

 trophonuclear chromosome. This centrosome is connected 



~~^.c. 



Fig. 14. — A. Structure of a microgaraete. B. Schematic ground- 

 plan of the same, t =■ trophonucleus (ah-eady reduced) ; k := 

 kinetonucleus ; h.c. = kinetonuclear centrosome ; asp- = second 

 axial spindle ; a.sp^ = third do. (flagellar border of undulating mem- 

 brane) ; a.c. = anterior centrosome of same ; js.c. = posterior do. ; 

 m =: myoneme; t (below) = tail-like prolongation of the body 

 posteriorly. (After Schaudinn.) 



with that of the kinetonucleus by a thread {a.sj).") repre- 

 senting the second axial spindle (see above, p. 185). (The 

 mutual relations of the different nuclear constituents are 

 perhaps, more easily apprehended from the schematic ground- 

 plan) . 



(3) Megagametocytes (female Trypanosomes). — 



