4: Where Old Man River makes his deposits
7: Browning of pages of verse, for example
8: Paronomastic collection
12: 'No ifs, ___, or buts!'
17: Blended-family prefix
26: They're clipped and filed
31: Trudge, as through sludge
37: Flowerless decorative plant
41: Feature of Karloff's Frankenstein monster
49: Word with worm or moth
55: Put into the overhead bin