The Guardian Quick puzzle clues 2015 May 02

• Back end Crossword Clue
• Bird — dance Crossword Clue
• Branch of mathematics Crossword Clue
• Buzz off! Crossword Clue
• Dim duels (anag) — natural hazard after heavy rains Crossword Clue
• Dogfish used as food Crossword Clue
• Eldest son of Cain — the late Mr Powell Crossword Clue
• Give instruction to Crossword Clue
• It causes a desire to scratch Crossword Clue
• Lively Crossword Clue
• Nicked Crossword Clue
• Organised massacre Crossword Clue
• Perspire Crossword Clue
• Prejudiced against older persons Crossword Clue
• Public disturbance Crossword Clue
• Resolute and firm Crossword Clue
• Secure — business partnership Crossword Clue
• See 1 Crossword Clue
• Shakespeare play Crossword Clue
• Small fatty fish, usually tinned Crossword Clue
• Spine-tingling Crossword Clue