The solution is to log into Office 365 via  https://portal.office.com ,  Click on Calendar and then click on the settings wheel .  Click   “View all Outlook settings".  Go to “Share calendars” and publish the desired calendar. Copy the ICS url created. Log into Google Calendar and click the arrow on "Other calendars".  Click the button "Add by URL" and paste the .ics link from Office 365.  Google Calendar is now automatically updated with new events from Office 365 calendar.