608 APPENDICES. 



One or more motionless filaments were occasionally observed attached 

 to these bodies. Gaule subsequently observed the same bodies, and 

 regarded them as resulting from the metamorphosis of the cells of 

 the frog's blood. Gaule's observations were refuted by Lankester in 

 1882, the parasitic nature insisted upon, and the organism named 

 Drepanidium ranarum. Lankester suggested that they were 

 probably the young stage of a sporozoon allied to Sarcocystis or to 

 Coccidium 



