| Kingdom subdivisions | 20 |
| Kingdom divisions, in biology | 29 |
| Kingdom divisions | 17 |
| Groups of languages historically related | 40 |
| Groups of classes | 17 |
| Branches of animal kingdom | 26 |
| Biology sections? | 17 |
| Animal kingdom divisions | 24 |
| Athenian political subdivision | 30 |
| Diller | 6 |
| Comic Diller uses glue? [Portugal] | 34 |
| Raucous-laugh comedienne | 24 |
| Comedian working at an oil field? | 33 |
| Flaky pastry dough | 18 |
| Taxonomic subdivision | 21 |
| Chordata, for humans | 20 |
| You're part of it, along with being in the Class Mammalia | 61 |
| M.D. | 4 |
| ___ Ed | 6 |
| ___ ed. (H.S. course) | 21 |
| ___ Ed. | 7 |
| Doctor: Abbr. | 13 |
| -- ed (gym class) | 17 |
| _____ ed. | 9 |
| ___ ed. (gym class) | 19 |
| ___ ed class | 12 |
| ___ ed (gym class) | 18 |
| __ ed. (HS course) | 18 |
| __ Ed. (gym class) | 18 |
| __ ed | 5 |
| Gym class, for short | 20 |
| Sweats might be worn during it | 30 |
| Nature: Comb. form | 18 |
| Laxative | 8 |
| Medical exam | 12 |
| Kind of exam or culture | 23 |
| Exam of a sort | 14 |
| Course for Byrnes? | 18 |
| What regular exercise helps maintain | 36 |
| Purpose of a "daily dozen" | 36 |
| Mountains, rivers, plains, etc. | 31 |
| "Army exam," said Tom ___ | 35 |
| Tender hugs and kisses, e.g.? (No hitting!) | 43 |
| Rough shrink? | 13 |
| Barnum's initial occupation? | 32 |
| Rehab component | 15 |
| One giving exams | 16 |
| Ben Casey e.g. | 15 |
| 1500 | 4 |
| Olivia Newton-John's grandfather | 36 |
| What the three sets of circled squares in this puzzle represent | 63 |
| Start of a comparison | 21 |
| Experimental canine? | 20 |
| Helper of the sick | 18 |
| Mr. America's pride | 23 |
| Mr. America's source of pride | 33 |
| Bod examples? | 13 |
| Bladder: Prefix | 15 |
| Neo- or bryo- ender | 19 |
| Suffix with neo- and zoo- | 25 |
| Plant: Suffix | 13 |
| Neo- ending | 11 |
| Ending after neo- or zoo- | 25 |
| Plant: Prefix | 13 |
| Circle ratio | 12 |
| Private eye, for short | 22 |
| Det. | 4 |
| 3.1416 | 6 |
| 16th Greek letter | 17 |
| 'Life of --' | 20 |
| Common ratio | 12 |
| Circumference divided by diameter | 33 |
| 3.14 | 4 |
| 'Life of --' (2012 movie) | 33 |
| Psychologist Jean calls it quits? | 33 |
| Of brain tissue | 15 |
| What the mathematician brought to the potluck dinner? | 53 |
| Membrane around the brain | 25 |
| They adhere to brains | 21 |
| Yaws (truly!) | 13 |
| Yaws (the disease) | 18 |
| Undersize keyboard | 18 |
| Very quietly | 12 |
| So as barely to be heard | 24 |
| Keyboard professional | 21 |
| Nightspots for cocktails and easy listening | 43 |
| Lounges with ivory-ticklers | 27 |
| Yamaha seat, perhaps | 20 |
| Steinway accessory | 18 |
| Liberace's seat | 19 |
| Chopin's nickname, among his close peeps? | 45 |
| It may involve sitting side-by-side on a bench | 46 |
| Musical oxymoron | 16 |
| Steinway's kind of wealth? | 30 |
| Pledges from unaccomplished musicians? | 38 |
| Cabinetmaker's hardware | 27 |
| Brenda Russell hit song | 23 |
| One that gets depressed during recitals | 39 |
| Hammer activator | 16 |
| What an ivory tickler's hands are on | 40 |