INTESTINAL PROTOZOA OF TKKMITi 5. 215 



furnishes the wood which they digest. Of course Streblomastix 

 stri\- may use both the- products assimilated by the termite and 

 the products present in the termite's intestine as a result of the 

 diyv-tion of wood by other protozoa, which products have not 

 i a --i mi laird by the termite. Those individuals of Tricho- 

 nympha campanula containing the greatest quantity of wood 

 i i heir bodii 'he most distinct glycogen read ion. 



The n MI lion i- mm h more pronounced in the posterior half of 

 i he liody where iiv : he ingested wood remains. Another 



lorn i, 'in monas because this organism 



in undulating meml-raiir. a\o-tyle and three flagella and is 

 not the -aim- or-aiii-m as / .itits tcrmitidis which Kofoid 



and v\r/\ [919 d< 1 from Termopsis angusticollis of 



I iforni i-sts wood particles but does not give 



the i) except in a very few instances. As a matter 



"t lac i, .ilx.iit one indhidual in a hundred examined will give a 



n reaction. This organism probably does not make 

 u-r oi ilit \\ii..d j)articles, but, perhaps, ingests them while feed- 

 ing on barter!. i, since it has a cytostome, an organelle which 

 Tritium y: />;<!, l>;nen yntpha, Streblomastix, Pyrsonytnpha, and 

 nio-t i 't tin oilu-r genera of termite protozoa, do not possess. 



\m : . tin- pi.>io/oa harl>ored by l\ termes flavipes, 



Trichonympha agilis and Pyrsonytnpha vertens ingest wood parti- 

 ami ^i\c- a vK'cogen reaction. Several of the species of 

 Dinenympha d" not ingest WOCK! particles or give a glycogen re- 

 action. \\la-n thr-e termites (Termopsis and Rcticulitcrmes) are 

 \\.i.id -taiAed. the protozoa mpha campanula, T. 



\'m /)//</, etc.) that ijve tin i reaction always 



die ott in-t. S. nnetime> ; all>- all of these forms are dead 



U-ii'iv ,tii\ diminution in the oilier form- o ( rurs. Pyrsonytnpha 

 is piol>aM\ of '<reat value t" its ho-t (i\\in^ to its peculiar habit 

 of attaching it-elf to the chitin<ms la\ er investing the inner 

 surface of the inte-tiiie. Individual- of this genus, instead of 

 pa--iiu out of the inte-tine with tin- lV<v- when they die, remain 

 attached to it ! ter drath, and iluis the food which they 



ha\e prepared for their ho-t i- kept in the intestine until the 

 ho>t ha> an oj)|)ort unit y to u-e it. The attachment is, perhap.-, 

 al>o ([uite useful to the proto/nnn. -ince this organism is not 

 provided with mimnou- ila^ella as is Trichonympha and by 



