CARIBOU (43D. Game in the Arctic) and PRESENT (44D. On hand). Six-letter entries include ASSISI (57A. St. Clare’s birthplace); BETRAY (49D. Stab in the back); BRETON (8D. Celt of NW France); NEXTTO (48D. Adjoining); QATARI (9D. Doha dweller); STRAPS (20A. Spots for Velcro). Five-letter, ACURA, AGORA , BARBQ, ACURA, ISAAC, OYVEY,