A METHOD BY WHICH A PROTOZOOX INGESTS WOOD. 285 



run almost parallel, widening out slightly posteriorly, for approxi- 

 mately three fourths the body length (Fig. .4). Posterior to 

 their termination, there is a hyaline, much less differentiated 

 region, void of fibers, flagella and myonemes. This region flows 

 backwards and forwards (Fig. 8) with much freedom of movement 



w.fref 



..in n. 







*.,.. ;.'/... 



*, i. 



: 



'! V -T-'-<' . 



< . v ^ ^. 



. * - 



.'.- 





l-i". I I Miatic figure of Trichonympha campanu'. -ions of 



-li.i\\ ih -tru. nd at different levels. S im tin- 



ill tlu-ii ri'ws of 1 .1; l>encath are suco-ivfly tin- 'l'lic|ii<- I. 



myonemes. In the eiv tin- longitudinal 



inyux-i 



AM n . .lar layer; ant. ft.. ant< i 



Igranuk centroblepharoplast; /..< inpi.i-iii; .->/./.. -iit|(i|; 



. hrtfnh.. heterochromosome; lot. ft., lafi.il 



long, my., lon^it inlin.il myonemes; n., nucleus; obi. /., ohliqur i. per., 



opercuhim; p,-r.. i>cnpl.. ft., posterior zone of Main-lla; 



riili;i -. tr. my.. : --mes. X 3OO. ami leg) 



anil S\v. 



when compared to the rest of the body. It, in fai-t, 

 exten.l- |H.>tfriorly more than twice the di>tanci- -ho\vii in l-'ig. 8. 

 At tinu-s i;ri\it masses of wood particK seen ailhfrini; \<> tla- 



outer (and probably sticky) surface of the body in thi> rr;Jon. 

 They enter the body when the posterior end im agnates. 



