64 



ZOOLOGY 



give off oxygen and produce starch and other food- stuffs, some 

 of which must make their way by diffusion into the protoplasm 

 of the Radiolarian. 



APPENDIX TO THE RHIZOPODA. 



Chlamydomyxa and Labyrinthula. . 



Chlamydomyxa (Fig. 48), of which two species have been described, has been 

 found living on Bog-mosses [Sphagnum) in Ireland and in Germany and 



Fig. 48.— Chlamydomyxa labyrinthuloides. A, active phase; c.w. cell-wall;/, frag- 

 ment of Alga ingested as food; sp. spindles in course of pseudopod,; B, resting-stage — 

 numerous individuals in the cells of a fragment of Sphagaum ; a, specimen completely enclosed 

 in cell ; 6 and c, specimens which have emerged through the ruptured cell-wall ; C, specimen 

 multiplying by budding; 1), by binary fission ; K, by internal fission. K may represent a 

 stage in spore-formation. (A after Archer, B— K after tieddes.) 



Switzerland. It may occur either in the active or in the resting condition. In 

 the latter (B, a, b, c) it consists of a mass of protoplasm with a number of 

 nuclei surrounded by a laminated wall of cellulose (p. 14). In the protoplasm are 



