A Perkasie man was pronounced dead at the scene shortly after 8:00 Sunday night after a motorcycle crash on Moreland Avenue near Blair Mill Road in Horsham. Police say 29-year-old Craig Heiselmoyer lost control on a curve and was thrown from the bike when he hit a telephone pole.  He was not wearing a helmet, and witnesses say he may have been passing other vehicles on the right.  Police are investigating to determine whether speed or intoxication may have been factors in the crash.