chief aim is toobtain a delicate, light and flexible tube which shall notcoUapse. This is effected by means of a strong spiralfibre wound inside the membrane composing the tube, as 54 MICROSCOPIC OBJECTS. seen in fig. 3 (p. 55), which is a magnified drawing of a por-tion taken from the part b. This…
Microscopy
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.