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SUMMARY OF CURRENT RESEARCHES RELATING TO 
New Sporozoon from Limnodrilus.* — Herr Al. Mrazek describes 
an interesting new parasite from Limnodrilus clapnredianus ft. One of 
its most remarkable features is that the ectoplasm is thickly beset with 
short processes like cilia, resembling those known to occur in Myxidium 
Lieberhuhni and Chloromyxum leydigii. In many ways it suggests Sar- 
cosporidia ; but these are hitherto known only in Vertebrate hosts, 
and are always cell-parasites to start with, whereas the form under 
discussion may occur floating freely in the body-cavity. The name 
proposed is Myxocystis ciliata g. et sp. n. 
* SB. Bohm. Ges., 1897, No. viii. 5 pp. (1 pi.). 
