367] • STUDIES ON MYXOSPORIDIA— 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 12ju, breadth 9 to llju, length of 

 polar capsule 5iu- 



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

 9m, thickness 6^, length of polar capsule 5^- 



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

 Um, breadth 8 to 9m, diameter of spherical form 9m, polar capsule 4 to 

 5m by 2 to ZiJL. 



MYXOBOLUS PIRIFORMIS Thelohan 

 [Figs. 363 to 364] 



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

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

 intestine of Leueiseus 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 18m, breadth 7 to 8m, length of polar filament 



30m. 



Wegener gives the following dimensions: length 18m, breadth 7.5m, 



polar capsule 7.5m by 3.5m- 



MYXOBOLUS UNICAPSULATUS Gurley 

 [Figs. 365 to 366] 



1841 Miiller 1841 : 487 



1893 Myxobolus unicapsulalus Gurley 1893 : 414 



1894 Myxobolus unicapsulalus Gurley 1894 : 210-211 



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



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



