Hello Jim,
Greetings.
If the head is remained, you need to see your physician as soon as possible for the removal. Read here;
http://www.mayoclinic.com/health/first-aid-tick-bites/FA00062
The incubation period (period between bite and symptoms) for the lyme disease is 7-14 days.
Please feel free for your follow up questions.
Dr. Arun
Doctor (MD)
MBBS, MS (General Surgery), Post-doctoral Fellowship in Sports Medicine