Coat of arms of Tylson

The blazon

or, on a bend, cottised, betw. two garbs az. a mitre of the first. — Crest, a dexter arm, couped, habited sa. cuff ar. holding in, the hand ppr. a crosier or.

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.