186 NEEB. 



3. The coarse structure, size, and peculiar arrangement of the chro- 

 mosomes, which for the greater part lie at right angles to the red-violet 

 band-like basic substance. 



4. The coarse, yellow-brown pigment distributed in a small group, for 

 the most part excentriealty situated and quite similar to that of the 

 crescent bodies. 



5. The absence of a mixed infection, so that only a simple tropical 

 infection can be present. 



Whereas fig. 4, with its spindle-shaped chromatic band, presents the 

 initial stage of the parthenogenesis of the tertian macrogamete, and fig. 5, 

 the completed segmentation, I wish to call attention to fig. 3, which 

 shows the band-like chromatic mass in which an early division is already 

 to be observed, analogous to the process illustrated in fig. 4. This form 

 I consider as the earlier stage of the parthenogenesis of the tropical 

 macrogamete, whereas figs. 1 and 2 represent the almost finished sporulat- 

 ing stages of the same metamorphosis. Moreover, fig. 1 in the lower 

 left-hand quarter probably shows the Rcstkorper. 



I do not conceal the fact that the form illustrated in fig. 3 was con- 

 sidered at Hamburg to resemble a young crescent body; nevertheless, I 

 consider myself bound to adhere to the opinion which I have set forth 

 in this paper, an opinion which has been arrived at only after a careful 

 and exact comparison of this form with the young crescent bodies in the 

 same blood slide, which latter have a totally different appearance. 



