Book,  Paragraph

 1   I,  1 | which it is alleged that the difficulty in detaching it from its
 2 III,  2 |    manifested is the extreme difficulty experienced in the way of
 3 III,  21|       as it causes increased difficulty in parturition. However,
 4   v,  18| effort, as though there were difficulty in the process. The female
 5   v,  31|     and there is exceptional difficulty in getting the skin rid
 6  VI,  4 |      as to be overtaken with difficulty. (The ring-dove, according
 7 VII,  4 |  forth many children without difficulty, and where the children
 8 VII,  6 |      women who conceive with difficulty, but if they do conceive,
 9 VIII,  2|     the surface, they find a difficulty in sinking again.~Crustaceans
10  IX,  17| acanthis finds its food with difficulty; its plumage is poor, but
11  IX,  32| clumsy in its movements, has difficulty in procuring its food, preys
12  IX,  32|      young; for owing to the difficulty in procuring food day by
13  IX,  32|      places by reason of the difficulty it experiences in soaring
14  IX,  36|  their food with very little difficulty, and flutter along the ground.
15  IX,  40|    ascertained, owing to the difficulty of the observation, whether