Place a prepared slide of Paratuecium under the microscope and focus it under low power (5x x 5x) and observe the following:

i) It has a cigar-shaped or slipper-shaped body, hence coriimonly called slipper animalcule (=little animal).

ii) Now focus it under high power (I Ox x 40x):Ttle entire body is covered with pqllicle, which shows rows of tiny depressions.

iii) Look carefully at these depressions. From each such depressioii arises a ciliunl.