347] • STUDIES ON MYXOSPORIDIA— KUDO 109 



MYXIDIUM SPHAERICUM Thelohan 

 [Fig. 252] 



1895 Myxidium sphericum (corr. 



sphaericum) Thelohan 1895 : 341-342 



Habitat: Gall-bladder of Belone acus {Belone belone L.); Banyuls, 

 Le Vivier-sur-Mer. 



Vegetative form: Trophozoites spherical or subspherical, not exceeding 

 20 to 22ju in diameter with lobose pseudopodia formed from the entire 

 surface. Endoplasm granular, contains small refractive granules. Dis- 

 porous. 



Spore: Form similar to M . incurvatiim, but much greater. Coiled polar 

 filament distinctly visible in fresh spore. Dimensions: length 15 to 20jU, 

 width 7 to 8/1, length of polar filament 60/i (KOH). 



MYXIDIUM HISTOPHILUM Thelohan 

 [Fig. 253] 

 1895 Myxidium histophilum Thelohan 1895 : 341 



Habitat: Connective tissue of kidney and ovary of Leuciscus phoxinus 

 L. (Phoxinus laevis Ag.) ; France. 



Vegetative form: Small mass. 



Spore: Fusiform, being compressed at the middle part. Shell with 

 longitudinal striations. Length of the spore 15/i. 



MYXIDIUM sp. Gurley 

 [Fig. 254] 



1851 Leydig 1851 : 226, 234 



1852 Leuckart 1852 : 436 

 1894 Myxidium ? sp. incert. Gurley 1894 : 290 

 1899 Myxidium sp. Labbe 1899 : 92 



Habitat: Gall-duct of Raja batis L. 

 Vegetative form: No description. 

 Spore: Not described. One figure. 



MYXIDIUM DANILEWSKYI Laveran 

 [Figs. 255 to 257] 



1887 DanUewsky 1887 : 35 



1897 Myxidium danilewskyi Laveran 1897 : 725-726 



1898 Myxidium danilewskyi Laveran 1898 : 27-30 



Habitat: Kidney of Emys orbicularis L.; France. 



Vegetative form: Form elongated, circular in cross-section, tapering 

 toward the ends. Body of greenish color, occupying the lumen of the renal 

 tubules of the kidney. Body bent along the cavity of the tubule. Endo- 



