403] STUDIES ON MYXOSPORIDIA—KUDO 165 



HENNEGUYA ZSCHOKKEI (Gurley) Doflein 



[Fig. 513] 



Habitat: Subcutaneous and superficial intermuscular tissue of Core- 

 gonusfera, C. schinzii Fatio, C. hiemalis Jur. and muscular tissue and bran- 

 chia of C. wartmanni nobilis and C. exiguus albellus; Neuchateler See, Zurich 

 See, Genfer-see, Thuner-see, Vierwaldstatter-see. 



Vegetative form: Zschokke writes as follows: Cysts rounded or oval 

 surrounded by a compact membrane with many nuclei. The largest 

 32mm. by 16mm. Protoplasm granular. Polysporous. 



Spore : Rounded oval in front view ; broad elliptical in side view. Anter- 

 ior end rounded; posterior end tapering, forming tail. Sutural ridge 

 distinct. Tail is either bifurcated along the entire length or a single form, 

 no intermediate form being observed. Dimensions: total length 55m, 

 length of the body lOju, breadth 7m, length of tail 4 to 5 times the length 

 of the spore-body, length of polar filament 6 to 10 times that of the body 

 of the spore. 



Remarks: Zschokke thinks that Henneguya kolesnikovi, H. zschokkei 

 and H. sp. Gurley are one and the same species, for which he proposed 

 the name Myxobolus bicaudatus. 



HENNEGUYA sp. (Gurley) Labbe 

 [Fig. 514] 

 1886 Benecke 1886 : 211 



1894 Myxobolus sp. inc. Gurley 1894 : 244 



1899 Henneguya sp. Labb6 1899 : 104 



1904 Henneguya sp. Hofer 1904 : 51 



Habitat: Integument (?) of Leuciscus rutilus L. The parasites formed 

 boil-like enlargement in the skin. 

 Vegetative form: Not described. 

 Spore: Not described. 



HENNEGUYA sp. (Gurley) Labbe 

 1874 Claparede 1874 : 114 



1894 Myxobolus sp. inc. Gurley 1894 : 253 



1898 Myxobolus bicaudatus (part) Zschokke 1898 : 602-607, 64&- 



655, 699-703 



1899 Henneguya sp. Labbg 1899 : 104 

 Habitat: Branchial-arches of Coregonus /era; Genfer-see. 



