PROTOZOA. 



GYMNOMYXA. 



LOBOSA. 



i. Amoeba. Examine alive, then irrigate with . J p.c. solution of osmic acid. Wash with water 

 and stain by irrigating with picrocarmine. When the nucleus becomes bright red wash again with 

 water. Then run in dilute glycerine and finally strong glycerine, sealing with gold size. 



2. Arcella. sh. shell; a. aperture of shell; n, n. nuclei; f.v. contractile vacuole;/*. pseudopodia; 

 / b. food particles ; g. v. gas vacuoles. 



