Bcr. d. Sen ckrn b. natnrf: (ics. 1899. 



Tnf.Vl. 



not. Or. 



s 



# 



^-^^ 



^^^^ 



s 



i 



\ 



^ 



^> 



.- . "X 



'-' \ 



Trypanosoma und Pyrosoma bigeminum. 



