From 1877 until 1888 , Burton was the deputy collector of customs for the port of Lewes .
From 1877 until 1888 , Burton was acting assistant surgeon in the United States Marine Hospital Service from 1890 until 1893 .
From 1877 until 1888 , Burton was the deputy collector of customs for the port of Lewes , and was acting assistant surgeon in the United States Marine Hospital Service from 1890 until 1893 .