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 appendagto. , 

 (No foot-like ( 



Form of 



body 

 constant 



self-division 

 complete 



Gymnica 



illoricated or shell-less Monadina. 

 loricated or shelled Cryptomonadina. 



Volvocina. 



Vibrionia. 

 u-ymntw \ _,___ t | unnareraiiy j 



\ (filiform) I loricated Closterina. 



/ | Form of ( illoricated Astasiaea. 



( body 



\ variable ( loricated Dinobryina. 



/illoricated Amoebaea. 



Foot-like pro- 

 cesses ( compound foot-like process from one ) ArcelUna 



variable. "] . . ^ , aperture > 



Sj Pseudopoda lori cated J 



simple foothke process from one or \ Ti a - nin _: R 

 V V from each aperture j 



Hairy [illoricated Cyclinida. 



\ ^* r (loricated Peridinaea. 



/ One receiving /in ricated ... Vorticellina. 



and discharging 

 orifice only for J 



-3 nutrition. loricat ed Ophrydina. 



Anopistnia ^ 



... Enchelia. 

 ... Colepina. 



a ( / mouth furnished with proboscis, tail) , , ,. 



T*fttsr iu ri M < absent ] 



Allotreta ( mouth anterior, tail present Ophryocercina. 



Aspidiscina. 



/ locomotive organs cilii Kolpodea. 



Orifices J 1 ( various ... ... Oxytrichina. 



abdominal. 



Catotreta ^ lorica ted Euplota. 



