.a end into the entoplasm and of ten, on 

 ;count of ition of tne entoplas: irre^ul-ir positions. On 



ion,as a defense to the attach. foe or I 



01 otion v . . 1* acetic acid) th>- trlchoc^sts with extreme 



loot out and ta*e the form of fine and Ion, thre^d-li,. <;. 



=3 of shootln^ out the trlchocjists t" -vlth e> .+ 



there has loan no SUCCP inner in 



e trichocysts it. 



, !ns a 3 11. alar str ct founl in 



)ns ! otion ^circulation). fh"> ct f .ior, t . ffei it 



es Ait ,11 i i j on constant!./ ;n one direction. In 



there is included, Lde food i toJ i /all., of 



. >jf ractiv > gran : 



t i o t : ~ito i ism there occur . ! 1 or^s- 



i ae or irre.uiailij outlined Lo.ii^s,the s >- II .cretoa., i_ ^ir-:. 



occur in var^in .^aantities and not In 3 11 .^ocir , eriain, on the 

 '.e or,. : rolallj, the : f 1 In. In li^ht 



issin throu^n them the excret.r -mules h ! - ray 01 ? n- 



i-Lro*n color, and in reflected lijht,th^> ar^ n ? t and ar- 



,in . ihey refract li.ht doutly and consist of acid lorlc- 



fon.?>^ i the food vacuolas in tiie fr. 



. s.i.ali Drains or crjst^ls , i th? ".^c ratlin kj -us of 



Articles, tnej f-il into the em t . . 



lai tuo contractile vd^^ol s,ir- iissolved in tho entoplasin and in a 



* 



sboivea iotm ( as acia salt ^A.. ( . -/,.)) : ire thio-a ojt tractile 



- T *- 



Ipicuoles. 



In one species l^.tusaria) in tne entoplasm there occur 1; i tn it 



^ptioticall^ one-celled al^ae, lorel. . ^t 



so numerous and so lill tho Lody,th^t the nntr , olrus,fr 



Icuoi'-s and other things enclosed are _,jitp invisillp. ^ochlorpll? n 'ccur 

 LJ no .r>ans in all specimens) in P.lusa ria , . ^1 1^ in othr dm 



calcium (Co.. . J 



