367] STUDIES ON MYXOSPORJDIA—KUDO 129 



with a small triangular intercapsular appendix. Polar capsules pyriform 

 and of same size. Sutural edge exhibits folds (7 to 9). 



Thelohan's dimensions: length 10 to 12)Lt, breadth 9 to ll/x, length of 

 polar capsule 5/i. 



Cepede gave the following dimensions in vivo: length lO/x, breadth 

 9/x, thickness 6/t, length of polar capsule 5/ix. 



Wegener's form. Usually oval, often almost spherical. Length 10 to 

 11/x, breadth 8 to 9/i, diameter of spherical form 9^, polar capsule 4 to 

 5/i by 2 to 2>n. 



MYXOBOLUS PIRIFORMIS Thelohan 



Habitat: Branchiae, spleen, kidney of Tinea tinea L., Cohitis fos silts L. 

 and subcutaneous connective tissue, spleen, liver, connective tissue of the 

 intestine of Leuciscus sp.; France, Germany (Pregel), Switzerland. 



Vegetative form: Small, long thread-like cysts. Color white. Poly- 

 sporous. 



Wegener's form: average size, length 1mm., breadth 0.09 to 0.1mm 



Spore: Elongated oval; flattened. Anterior end highly attenuated 

 and slightly bent to one side. One pyriform polar capsule at this end. 

 Dimensions: length 16 to 18/i, breadth 7 to 8/i, length of polar filament 

 30/x. 



Wegener gives the following dimensions: length 18/x, breadth 7. 5/i, 

 polar capsule 7. 5/i by 3. 5/i. 



MYXOBOLUS UNICAPSULATUS Gurley 

 [Figs. 365 to 366] 



1841 Miiller 1841 : 487 



1893 Myxobolus unicapsulatus Gurley 1893 : 414 



1894 Myxobolus unicapsulatus Gurley 1894 : 210-211 



Habitat: In the skin of Labeo niloticus For.; Nile. 



Vegetative form: Cysts very small pustules in the skin of the head. 



