ZOOPHYTES. 
vibratile cilia .p 1 ^ orm ’ tPe Protozoai-es are furnished with 
animals inhabiting thtT ‘"a"! ° f locomotion belonging to the lower 
naked, sometime.” covered^H "r TLeil ' bodieS are sometimes 
cuirass. They are divided t a Slllc e°us, chalky, or membranous 
Infusoria. ' ° Wo great classes, the Rhizopoda and 
class ehizopoda. 
include under the name of Rhizopods, or 
«*), those of the shnplest « ^ ^ ; ^footed ani- 
% the absence of distinct di^estC™ T’ be cWt erised 
ciba, as well as by the soft°parts of Vlties ’ andthe Presence of vibratile 
prolongations or filaments which ad 'f * , tlgSUCS ‘ This tissue emits 
simple, sometimes branching. OccaTionallv^ eXtensiou ’ sometimes 
aments withdraw themselves towards ft “ W ° 866 tbfiSe branching 
and gradually melt into its subs W in T ** ^ Appear- 
Xldnal to absorb and detour itllf tbat tbe 
■ ome ot the superior animals, as the wolf d ’ “ . exce P tl0 nal cases, 
Pods go much farther: they devour then i ^ ° ther > the rhizo- 
Tbe rhizopods are found both ? ST*? S ° t0 ^ ! 
^ parasites, on the body of worms and ofh Tlle y bve, 
class is divided into many orders W P J n artlculated animals. The 
run AMIBA2. 
7 6 “ tat or aea w ZT1 f « '*■* h„e remai J f or 
belong to this order. They are the ^ ^ Smgular beings which 
being reduced to a mere drop 0 f T Slmplest or ganisms in creation, 
«f a gelatinous substance ^2 ^ a re 
, 6 quantity of matter which fonm! /Timetable organization, 
becomes incredibly diaphanous, and so t™ “ S ° mfinitesimal - that it 
i i the microscope, traverses it in all p dU8parent that tbe eye, armed 
° the nature of the liquid 1 1 p7’ S ° tbat * is Pessary 
' Rd lntro fnce the phenomenon of refractim “ i M “ SUS P e ^ion, 
11 W "“ *> «** to „v ‘ W 
' 1 18 tlie f °™ these creatures 
