The Guardian Quick puzzle clues 2017 Apr 21

• Am I a cad, ma? (anag) — Australian nut tree Crossword Clue
• Book of maps Crossword Clue
• Boundary of brick or stone Crossword Clue
• Cat (slang) Crossword Clue
• Changing direction Crossword Clue
• Conundrum Crossword Clue
• Detective Crossword Clue
• Disease-spreading insect Crossword Clue
• Fish — old infantry weapon Crossword Clue
• Freshwater diving bird Crossword Clue
• Hermetically sealed Crossword Clue
• __ Novello, Welsh composer and songwriter, d. 1951 Crossword Clue
• Personal weak spot Crossword Clue
• Rebuked formally Crossword Clue
• Samson's femme fatale Crossword Clue
• Scrounged Crossword Clue
• Self-obsessed Crossword Clue
• Smartest Crossword Clue
• Sussex opera venue Crossword Clue
• Toy replica of a person Crossword Clue
• Walkers' route Crossword Clue
• Wishy-washy Crossword Clue