124 Old Primrose So he went to the lending library, and asked for a natural history book. ‘‘What subject do you want ?” asked the librarian. Old Primrose was too artful to divulge his great secret like that. He wasn’t going to say “ Butterfly” and give himself away ; so he said “ Butter.” “There isn’t anything about butter in the natural history,” said the librarian. Then old Primrose tried ‘buttons’; but that wouldn't do either. However, they gave him the volume with “B” in it, which was what he required. Very eagerly he trotted home and looked out ‘‘butterflies”—and it referred him to “moths”; so he doddered back to the lib- rary, and pretended the subject he wanted was ‘‘mottled soap.” “No ‘mottled soap’ in the natural his- tory,” said the librarian; but he was tired of old Primose, and gave him the volume containing the M’s. Then the old man set to work to study the subject deeply, and discovered that