| Priority Inbox offerer | 22 |
| Big name in Web-based correspondence | 36 |
| Big name in online correspondence | 33 |
| Part of the house where one might check Google messages? | 56 |
| Setting of "Love Me Do": Abbr. | 40 |
| Key with one sharp, briefly | 27 |
| Key of Mahler's Symphony No. 4: abbr. | 41 |
| Key of Haydn's "Surprise Symphony" | 48 |
| Cry for help on an F.B.I. cruise? | 33 |
| F.B.I. agent's communication | 32 |
| Shoelace problems for an FBI agent? | 35 |
| Newly-introduced element that alters the situation in a significant way, in modern lingo | 88 |
| Provider of the Volt: Abbr. | 27 |
| Car co. Obama took over | 23 |
| Bus. with HQ in the Renaissance Center | 38 |
| Automotive mackerel | 19 |
| Major pickup maker | 18 |
| Framing-shop abbr. | 18 |
| Israeli signature | 17 |
| Key of Mozart's Symphony No. 40 | 35 |
| Key with two flats | 18 |
| Two-flat key | 12 |
| Key of Saint-Saëns's "Danse macabre" | 53 |
| Key of Mozart's Symphony No. 25 or 40 | 41 |
| Key of Mozart's Symphony No. 25 | 35 |
| Source of "frankenfood," briefly | 42 |
| Insect-resistant plant, e.g., briefly | 37 |
| Food-labeling concern | 21 |
| Biotechnology output, for short | 31 |
| Canucks' arena | 18 |
| Modern highway sights, for short | 32 |
| Critter-shaped candies | 22 |
| Scottish morsel | 15 |
| Protruding tree knots | 21 |
| Twists into a knot | 18 |
| ___ Barkley ("Crazy" band) | 36 |
| Group whose album "St. Elsewhere" was #2 on Spin Magazine's 40 Best Albums of 2006 | 96 |
| "Totally tubular, man!" | 33 |
| Bowser's warning | 20 |
| Growls | 6 |
| Growls from Fido | 16 |
| Snarls | 6 |
| Growls like a dog | 17 |
| Ground together, as teeth | 25 |
| Ground, as teeth | 16 |
| Ground together | 15 |
| Ground, as grinders | 19 |
| Ground one's teeth | 22 |
| Grinds | 6 |
| Grinds, as teeth | 16 |
| Grinds one's teeth | 22 |
| Grinds in anger, maybe | 22 |
| Grind an aimless sort? | 22 |
| Insect-eating bird | 18 |
| Having more black flies | 23 |
| One who spins a small insect? | 29 |
| One who rotates pests? | 22 |
| Guy whose job it is to rotate tiny bugs? | 40 |
| Infested with punkies | 21 |
| Like many rubber toys | 21 |
| Wore away, in a way | 19 |
| Beaver, at times | 16 |
| Mouse, for example | 18 |
| Dog with a bone, e.g. | 21 |
| Beavers, e.g. | 13 |
| Beavers, at times | 17 |
| Chewing like a beaver | 21 |
| Beaver's activity | 21 |
| Really bugging | 14 |
| Beaver's search for more dam material? | 42 |
| Pangs | 5 |
| Eaten at persistently | 21 |
| Eaten at (Var.) | 15 |
| Eaten at | 8 |
| Eat away at, like a rat | 23 |
| Chew, as with a rawhide bone | 28 |
| Eat like a rat | 14 |
| Eat at, as one's conscience | 31 |
| Chomp at | 8 |
| Chew, as a steak bone | 21 |
| Persistently chews on | 21 |
| Chews on, rat-style | 19 |
| Breaks down slowly | 18 |
| Health supplement chain | 23 |
| Health supplements co. | 22 |
| Seller of supplements | 21 |
| Health products co. | 19 |
| Health food co. | 15 |
| Vitamin supplements store | 25 |
| Vitamin supplement chain, briefly | 33 |
| Vitamin and supplement chain | 28 |
| Supplement seller | 17 |
| Store that used to sell the drug andro | 38 |
| Retailer that sells MET-Rx products | 35 |
| Purveyor of barely legal dietary supplements, often | 51 |
| Protein powder retailer | 23 |
| Protein powder purveyor | 23 |
| Muscle-building chain | 21 |
| Mega Men retailer | 17 |
| Mall store that sells supplements | 33 |