1. conifer   ability to produce desired effect.   masses of leaves or leafage.   maker of maps.   tree bearing fruit-cones.   Hint Half-n-half Clue   2. chisel   sharp-edged tool used for cutting.   spread of disease by contact.   science dealing with sound.   attrition by rubbing or disagreement.   Half-n-half Clue   3. astigmatism   lizard noted for changing color to surroundings.   defect in eye or lens preventing proper focusing.   eye disorder leading to partial blindness; waterfall.   confused state of mind.   Half-n-half Clue   4. efficacy   ointment that helps in soothing pain.   druggist or chemist.   ability to produce desired effect.   equal day and night; time at which sun crosses equator.   Half-n-half Clue   5. dissection   guesswork.   machine to separate substances by spinning.   cutting for analysis or examination.   medicine that causes vomiting.   Half-n-half Clue   6. fissure   narrow opening or crevice.   equal day and night; time at which sun crosses equator.   collarbone.   ability to produce desired effect.   Half-n-half Clue   7. fauna   collarbone.   animals of a region or era.   disproportion or lack of balance.   masses of leaves or leafage.   Half-n-half Clue