570 BIOLOGY OF THE PROTOZOA 



Family 3. Mrazekiidae L6ger and Hesse. 



2. Spores straight, tubular; basal part of 



thread runs through cell, thread coils 



around it Genus Mrazekia Leger and Hesse 



Spores slightly bent, no thickened basal 

 thread Genus Oosporea Flu 



3. Spores spirally bent Genus Spiroglugea 



Leger and Hesse 

 Spores bent U-shape Genus Toxospora Kudo 



Sub-order 2. Dicnidea Leger and Hesse. 

 One family — Telomyxidae; one genus — Telormjxa Leger and Hesse 



Class III. ACNIDOSPORIDIA Cepede. 



Here (provisionally) are Sarcosporidia with one genus Sarcocystis and 



Haplosporidia about which there is still some doubt as to their Sporo- 



zoan nature and affinities. The following list of genera without definite 



taxonomic position is given for completeness : 

 Amphiacantha Caullery and Mesnil, parasitic in Gregarine Lecudina. 

 Amphiamblis Caullery and Mesnil, parasite in gregarine of worm Capi- 



tella. 

 Anurosporidium Caullery and Chappellier, parasite of Trematode in 



Donax sp. 

 Bertramia Caullery and Mesnil, a body cavity parasite of worms and 



rotifers. 

 Caulleryetta Dogiel, parasitic in the gregarine Selenidium in Travisia 



forbesi. 

 Dermocystidium Perez, cyst-forming parasite in fish and amphibia. 

 Haplosporidium Caullery and Mesnil, different species parasitic in marine 



annelids, fresh water oligochaetes, nemerteans and Chiton. 

 Helicosporidmm Keilin, spiral parasite in insects. 



Icthyophonus Plehn and Mulsow, plasmodium-like, causes tumors in fish. 

 Ichthyosporidium Caullery and Mesnil, forms tumors in fish. 

 Lymphocystis Woodcock, forms globular masses in fish. 

 Lymphosporidium Calkins, in fish and oligochaete worms. 

 Metschnikovella Caullery and Mesnil, several species parasitic in greg- 



arines. 

 Rhinosporidium Ridewood and Fantham, causes nasal tumors in man 



(India). 

 Urosporidiwn Caullery and Mesnil, body cavity parasites of Syllis gracilis. 



