770 



GLOBIDIUM 



that it differed sufficiently from other members of the genera Sarcocystis and 

 Gastrocystis (Globidium) to justify the creation of a new genus, Besnoitia. 

 It is evidently very similar to the members of the genus Glohidium, in 

 which it seems better to retain it at present as G. hesnoiti. 



,, «'.'f'-"';:'.'--'.""''r^"':V*<2VsT^.iOT»» 



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Fig. 331.— Globidium gilruthi from the Mucosa of the Stomach of Sheep 

 AND Goats. (After Chatton, 1910.) 



1. Section (if mucosa showing cyst ( Xca. 100). 



'2. Section of portion of immature cyst more highly magnified ( Xca. 250). 

 3. Section of portion of mature cyst filled with spores ( Xca. 500). 

 4-fi. Method of development of spores from multinucleated cytoplasmic bodies ( Xca. 500). 

 7. Individual spores ( Xca. 2,000). 



Gilruth and Bull (1912) described a series of parasites which they found 

 in the intestinal mucosa of the kangaroo, wallaby, and wombat of Australia. 

 In the kangaroo {Macropus sp.) there were large and small cysts, which 

 they supposed belonged to different organisms. The larger was named 



