427] STUDIES ON MYXOSPORIDIA— KUDO 189 



6( 5) Openings of polar capsules on side; polar capsules rounded pyriform; spore 

 smaller; length 9.5 to ILSyu, breadth 6.5 to 7m 



Zschokkella nova Klokacewa 1914 {122) 



Genus MYXOSOMA Thelohan 1892 

 1( 2) Spore: shell thickened at anterior end; length 12 to \2>n, breadth 7 to S/z, polar 

 capsule 6 to In by 2 to 3^. Cysts polymorphous 



Myxosoma dujardini Thelohan 1892 (124) 



2( 1) Spore: shell of uniform thickness and with seven to ten folds on suturaledge; 

 length 14m, breadth 8m, thickness 6m, polar capsule 8m by 2m. Cysts spherical 

 up to 360m in largest diameter 



Myxosoma Junduli Kudo 1918 (125) 



Ambiguous form 



Myxosoma lobalum Nemeczek 1911 (124) 



Genus LENTOSPORA Plehn 1905 



1(8) Spore circular in front view 2 



2( 3) Vegetative form produces cysts. Spore: length and breadth 6.3 to 7m, thick- 

 ness 4.2 to 4.9m 



Lentospora dermatobia Ishii 1916 (127) 



3( 2) Vegetative form does not produce cysts or cysts unobserved 4 



4( 5) Spore small; trophozoites found in the blood vessel of the brain. Spore 5 to 5.5m 

 in diameter. 



Lentospora encephalina Mulsow 191 1 (126) 



5( 4) Spore large, greater than 7 . 5m in average diameter 6 



6( 7) Spore slightly pointed at anterior end ; length 8 to 10m, breadth 7 to 8m, thickness 

 5 to 6m 



Lentospora acuta Fujita 1912 (127) 



7(6) Anterior end of spore rounded; diameter 6 to 10m 



Lentospora cerebralis Plehn 1905 (125) 



8( 1) Spore oval in front view 9 



9(10) Spore symmetrically built; length 12m, breadth 9.5m, thickness 6m 



Lentospora mtiltiplicata Reuss 1906 (126) 



10( 9) Spore asymmetrically built; length 10 to 11m, breadth 6.5 to 7m 



Lentospora asymmetrica Parisi 1912 .(126) 



Genus MYXOBOLUS Butschli 1882 



1(18) Spore with one polar capsule 2 



2( 9) Breadth of spore equal to or more than half of length 3 



3(6) Breadth of spore equal to half of length 4 



4( 5) Spore larger; often calabash-shaped; anterior end drawn out into a rounded tip; 

 shell thickened at tip; length 15m, breadth 7 to 8m, thickness 5 to 6m 



Myxobolus toyamai Kudo 1915 (131) 



5( 4) Spore smaller; anterior end pointed; shell of uniform thickness; length 9 to 10m, 

 breadth 4.5 to 5.5m, thickness Zfi 



Myxobolus oculi-leucisci Trojan 1909 (1^) 



6( 3) Breadth of spore more than two-thirds of length 7 



7(8) Polar capsule small and obhque in position 



Myxobolus unicapsulatus Gurley 1893 (129) 



8( 7) Polar capsule long and median in position; spore broader; length 13 . 2 to 13 . 6m, 

 breadth 10.1 to 10. 3m 



Myxobolus sent Southwell et Prashad 1918 (132) 



Numbers enclosed in parentheses refer to the page of the article on which is found the description of the species 

 named. 



