Mr. Blake for one day to himself, and turn my attention to the girl he had addressed, especially as she was tall and thin and bore herself with something like grace.Barely bestowing a glance upon him, then, as he passed, in a vain attempt to read the sombre expression of his inscrutable face grown five years older in the last five days, I shuffled after the girl now flitting before me down Broome Street. As I did so, I noticed her dress to its minutest details, somewhat surprised to find how ragged and uncouth it was. That Mr. Blake should stop a girl wherever seen, clad in a black alpaca frock, a striped shawl and a Bowery hat trimmed with feathers, I could easily understand; but that this creature with her faded calico dress, dingy cape thrown carelessly over her head, and ragged basket, should arrest his attention, was a riddle to me. I hastened forward with intent to catch a glimpse of her countenance if possible; but she seemed to have acquired wings to her feet since her interview with Mr. Blake. Darting into a crowd of hooting urchins that were rushing from Centre Street after a broken wagon and runaway horse, she sped from my sight with such rapidity, I soon saw that my only hope of overtaking her lay in running. I accordingly quickened my steps when those same hooting youngsters getting in the way of my feet, I tripped up and--well, I own I retired from that field baffled. Not entirely so, however. Just as I was going down, I caught sight of the girl tearing away from a box of garbage on the curb-stone; and when order having been restored, by which lofty statement I mean to say when your humble servant had regained his equilibrium, I awoke to the fact that she had effectually disappeared, I hurried to that box and succeeded in finding hanging to it a bit of rag easily recognized as a piece of the old calico frock of nameless color which I had been following a moment before. Regarding it as the sole spoils of a very unsatisfactory day's work, I put it carefully away in my pocket book, where it lay till--But with all my zeal for compression, I must not anticipate.When I came home that afternoon I found myself unexpectedly involved in a matter that for the remainder of the day at least, prevented me from further attending to the affair I had in hand. The next morning Mr. Blake did not start out as usual, and at noon I received intimation from Fanny that he was preparing to take a journey. Where, she could not inform me, nor when, though she thought it probable he would take an early train. Mrs. Daniels was feeling dreadfully, she informed me; and the house was like a grave. Greatly excited at this unexpected move on Mr. Blake's part, I went home and packed my valise with something of the spirit of her who once said, under somewhat different