86 



DESCRIPTION OF 



[Polygastrica. 



The Polygastric animalcules comprehend twenty-two 

 families, whose relations to each other may be seen in the 

 following table : — 



Body 



destitute 



of appendages. 



(No foot-like 



processes). 



Gymnica 



FoiTD of 



body 

 constant 



self-division 

 complete 



self-division 

 incomplete, 



hence 



formed in 



clusters 



iUoricated or shell-less Monadina. 

 loricated or shelled Crj^itomonadina. 



self-dividing on all | Voi,.ocina. 

 sides (globular) ) 



" self-dividing I iiioricated Vibrionia. 

 unilaterally 



Foi-m of 

 ( body 

 \ variable 



\ (filiform) L loricated Closterina. 



iUoricated Astasiaea. 



loricated Dinobryina. 



Foot-like jiro- 



cesses 



variable. 



Pseudopoda 



Hairy 

 k Epitricha 



/ One receiving 



and discharging 



orifice only for 



nutrition . 



Anopisthia 



Two ditto ori- 

 fices, one at 



each extremity. 

 Enantitrcta 



Orifices situated 

 oblique. 

 Allotreta 



Orifices 

 abdominal. 

 Catotreta 



f iUoricated Amoebaea. 



loricated 



com 



aperture 



ipound foot-like process from one ) » -rpllina 

 jerture i 



simple footlike process from one or 1 -, ... . 

 from each aperture | ^aciuana. 



j^ iUoricated CycUnida. 



( loricated Peridinaea. 



i iUoricated VorticeUina. 



loricated Ophrydina. 



(iUoricated Enchelia. 

 loricated Colepina. 



/ f mouth furnished with proboscis, tail ) „ , ,. 



(iUoricated/ ^'^-^ • [Tracheima. 



\ mouth anterior, tail present Ophryocercina. 



loricated Aspidiscina. 



locomotive organs cilii Kolpodea. 



various Oxytrichina. 



loricated Euplota. 



iUoricated 



