184. In what coin is its financial value estimated?
185. What is the water-wheel paradox?
186. I am a word of four letters: in me may be found, 1 a verb, 2 an animal, 3 a viscid liquid, 4 a science, 5 a conjunction, 6 a preposition.
PLANTS, FLOWERS, ETC.
187. Part of every animal and part of every vegetable.
188. A beast of burden and a poison.
189. A sweet substance and a cluster.
190. A weapon and part of the body.
191. A household article and what often forms part of it.