122 ELECTRON-MICROSCOPIC STRUCTURE OF PROTOZOA 



Text-figure 7. Diagrammatic sketch of Chlamydomonas. ce, 

 chloroplast envelope ; d, lamellar discs of chloroplast — note 

 discontinuous arrangement ; e, eyespot granules within chloroplast ; 

 er, endoplasmic reticulum; f, flagellum; g, Golgi body, m, mito- 

 chondrion; n, nucleus; p, vacuoles containing metaphosphate ; 

 py, pyrenoid; s, starch plates. From Sager, 1959. 



stratified zone of moderate density. At the anterior end of the 

 cell is a small papilla from opposite sides of which the two flagella 

 emerge to pass through tunnels in the cell wall. Within the cell, 

 the two kinetosomes are attached to one another basally, so that 

 they form a wide V when sectioned in their common plane. In 

 C. moeivusn, the distal end of each kinetosome is marked by a 



