160] 



The Classification of Lower Organisms 



5. 



Fig. 30. — Rhizoflagellata : a, Bodo sp. x 1,000. b, c, Cercomonas longicauda 

 as identified by Wenyon (1910) in material from a cholera patient; d, the same as 

 identified by Hovasse (1937) in swamp water, e-h, Cryptobia spp.; e-g, cell and 

 division stages of a species from the conger eel after Martin (1910); h, a species 

 from siphonophores after Keysselitz (1904) x 1,000. i, Phytomonas Donovani after 

 Franga (1914). j-p, Trypanosoma Lewisi; j, k, forms from the rat after Minchin 

 (1909); 1-p, forms from the flea Ceratophyllus fasciatus after Minchin & Thomp- 

 son (1915). q. Division stage of Trypanosoma Brucii after Kiihn & Schuckmann 

 (1911). r, Chaetoproteus [Mastigamoeba aspera) after Schulze (1875) x 100. 

 X 2,000 except as noted. 



