running through the middle of fome filaments, and In others the bands of gra . 

 nules are divided in like manner into three or four feparate compartments. 



C atro-purpurea is very clofely allied with C. fufco-purpurea, but in that 

 fpecies there is only a fingle band of granules in each joint. 



In drying it adheres to both Glafs and Paper. 



A. C. atro-purpurea, natural fize. 



B. Ditto, magnified 2. 



C. Ditto, ditto i. 



