68 



Miss M. Kobertson. Notes on the [Sept. 28, 



(blepharoplast of Minchin) plays the role of centrosome in the division of the 

 kiaetonucleus. It must also be noted that the division is not really longi- 

 tudinal but practically transverse, the plane of division being at right angles 

 to the long axis of the parent individual (fig. 10). Division is often unequal. 



Magnification 2500. 



Multiplication proceeds until the whole of the middle and hinder and part 

 of the anterior intestine is filled with parasites. Very slender long forms are 

 developed about this period (8th to 18th day or thereabouts) and these 

 gradually pass forward into the proventriculus. This slender type (fig. 13) is 

 essentially the proventricular form and is the culmination of the development 



