Page 196 - My FlipBook
P. 196
h6
Photomicrograph« U-^VdJS? ^ v L^ - ET&ffifTg
F.c, U5.
ass.^ ,v"S".. vjg- HirT^r^s ^n«
.
light, but is dark by transmitted l.ght In 1Id r.v m . ^^ ni( , s h )s rred
fallen out. however, and microorganisms have not been admitted
