Book,  Paragraph

 1   v,  13|    species is the turtle-dove. Pigeons breed and hatch at all seasons,
 2  VI,  2 | sometimes after laying-whereas pigeons trail their rumps on the
 3  VI,  2 |        somewhat lesser period. Pigeons have the faculty of holding
 4  VI,  2 |      phenomenon is observed in pigeons with regard to pairing:
 5  VI,  3 |       observed especially with pigeons.~Twin eggs have two yolks.
 6 VIII,  3|   caught while drinking. These pigeons bring their young ones with
 7  IX,  7 |     over the side of the nest.~Pigeons exhibit other phenomena
 8  IX,  7 |       in age. Turtle-doves and pigeons that are blinded by fanciers
 9  IX,  7 |     female; but in the case of pigeons some assert that the male
10  IX,  36|        the wing. They say that pigeons can distinguish the various