\"Surely,\" he agreed. \"But in the face of it, how can I give up watching Dr. Portal.\"
\"Well, now the situation is somewhat altered,\" she said. \"Dr. Portal has engaged me to solve this mystery. That's pretty strong evidence of his good faith in the matter. If I assure you that I mean to devote my whole time to the case, are you willing to call off your dogs? You and I will still be working together, of course.\"
\"Sure,
\"Surely,\" he agreed. \"But in the face of it, how can I give up watching Dr. Portal.\"
\"Well, now the situation is somewhat altered,\" she said. \"Dr. Portal has engaged me to solve this mystery. That's pretty strong evidence of his good faith in the matter. If I assure you that I mean to devote my whole time to the case, are you willing to call off your dogs? You and I will still be working together, of course.\"
\"Sure,
