- ADDER
- Calculating snake?
- Harmless crawler
- Puff __ (venomous viper)
- Viper
- Milk snake
- First grader, math-wise
- Snake with a zigzag pattern on its back
- Venomous viper
- Venomous snake
- Abacus user
- Common viper
- Scary viper
- Hognose snake
- Snake
- Mathematical snake?
- Snake that counts?
- Abacus, at times?
- Serpent
- Deadly viper
- Snake that does sums?
- Snake with venom
- Slithering biter
- Reptile with a nasty bite
- European viper
- Summer snake?
- Dangerous snake
- Kind of viper
- Poisonous snake
- Someone doing sums
- Sum kind of snake?
- Calculating person?
- Pocket calculator, e.g.
- Puff ___ (dangerous snake)
- Dangerous slitherer
- Northern copperhead, for one
- Summer at the office
- Bill checker
- Summer in the schoolroom
- Puff ___
- Sum totaler
- Venomous reptile
- Abacus operator
- CPA at work
- CPA, e.g.
- CPA, at times
- One doing sums
- Columnist?
- Summer
- Puff __
- Calculator, at times
- Snake with a puff variety
- Scary snake
- One doing simple math
- Dangerous biter
- Puff __: snake
- Kind of snake
- Lizard eater
- Office machine
- European menace
- Sort of snake
- Small snake
- Calculator user
- Accountant, often
- Asp relative
- Sort of serpent
- Hog-nosed snake
- Slithery menace
- Macbeth brew ingredient
- One of the vipers
- Asp kin in Psalms
- Scotland's only native snake
- Fork source of a "Macbeth" brew
- Puff ___ (hognose snake)
- . . . the wine when it is red, . . . stingeth like an ___.—Proverbs.
- Venomous krait.
- Small venomous snake.
- He puts two and two together.
- Egyptian asp.
- Horned viper.
- Reptile.
- Beginner in math.
- Britain's only venomous snake.
- Egyptian viper.
- Sum-doer.
- Worker with figures.
- Abacus.
- Krait.
- Math student.
- Slithery creature.
- Abacus, e.g.
- Math pupil, at times
- Snake or machine
- Copperhead
- Crawly creature
- Puff ___ (poisonous snake)
- Crawler or summer
- Krait, e.g.
- Snake that sounds augmentative
- Small viper
- Totalizer
- Asp
- Viper or summer
- Fer-de-lance's kin
- Calculator
- Puff ___ (viper)
- . . . stingeth like an ___: Proverbs 23:32
- Total-itarian?
- Cousin of 42-Across
- Puff snake
- One who does 23-Across
- Figurehead?
- One working on a column?
- Relative of a rattlesnake
- Abacus wielder
- One summing things up
- Math columnist?
- Member of the genus Vipera
- Puff ___ (snake)
- Viperidae family member
- Only poisonous snake in Britain
- Snake that's good with numbers?
- Calculating reptile?
- TV's 'The Black --'
- Sum finder
- Sum seeker
- The common viper
- Puff ___ (venomous viper)
- Puff ___ (snake that inflates its body when threatened)
- Member of the viper family
- Only snake found north of the Arctic Circle
- Snake in the grass, really
- Snaky CPA?
- Snake in the grass, perhaps
- Puffed up snake
- Snake that gets total results?
- Snake that's really sumthing?
- Terrestrial viper
- Scotland's only poisonous snake
- Reptile that's really sumthing?
- Snake or calculating person
- Hognose snake: puff ___
- Viper, and a clue to this puzzle's theme
- This snake counts?
- Snake that puts two and two together?
- Puff ___ (snake variety)
- Type of snake
- Snake variety
- Certain viper
- Snake that anagrams to "dread"
- Type of viper ... that's great at math?
- Abacus often
- Puff follower
- Milk snake, e.g.
- Relative of 1-Across
- Dangerous reptile
- Certain snake in the grass
- Snake of the viper family
- Puff ___ (venomous snake)
- Venomous snake with zigzag markings
- Calculator, often
- Scotland's only snake
- Holmes's "speckled band" was one
- Reptile with a zigzag pattern
- The wily ___, blithe and glad: "Paradise Lost"
- The "band" in "The Adventure of the Speckled Band"
- Venomous serpent
