Book,  Paragraph

 1   v,  11|      variant seasons is not so prolific. And, indeed, we must bear
 2   v,  12|    creature is extraordinarily prolific, for the number of individuals
 3   v,  27|     smooth spider is much less prolific than the phalangium or hairy
 4  VI,  1 |     the higher breeds are less prolific than the inferior ones.
 5  VI,  1 |    spring-time. Some birds are prolific, and prolific in either
 6  VI,  1 |        birds are prolific, and prolific in either of two ways-either
 7  VI,  1 | kestrel: this bird is the most prolific of birds of prey; as many
 8  VI,  17|       ordinary fishes the most prolific is the sprat; of cartilaginous
 9  VI,  17|    cartilaginous fish are less prolific than other fish owing to
10  VI,  37|        make no way against the prolific qualities of the animal
11  IX,  43|       underground, and is very prolific; its nest is much bigger