THE OPAI.INID CH.IATE INFUSORIANS. 



61 



PROTOOPALINA XENOPODOS, new species. 



7'2//^6— United States National Museum Cat. No. 16628. 



Host. — Xenopus calcaratus Buchholz and Peters, six infections 

 from the Congo, Africa. The type infection is from American Mu- 

 seum of Natural Histor}^ .specimen No. 9750, 43 mm. long, female with 



Fig. 35. — I'rotoopawna africana, X 460 diameters: *, is a cell which after fission 



HAS NOT QUITE REACHED AGAIN THE VSUAL CONDITION, WHICH IS SHOWN IN d; IS A 

 DAUGHTER CELL. 



eggs, from Medje, Belgian Congo, June 6, 1910; American Museum 

 Congo Expedition collectors. 



Measurements: A, of an ordinary individual from the type infec- 

 tion {fiff. 36, h) ; B, of an elongated, slender individual (fig. 36, c) ; 

 C, of sJiorter forms characteristic of one infection {fig. 36, d) — 



