This second edition contains fully 30% more convict passengers than in the original.Dr. Dobson has made some modifications as well; for example, some men who were thought to have been Covenanters are now classed as rebels and English transportees have been omitted, while the references used have been enhanced to facilitate further research. In total, somewhere between 4,000 and 5,000 Scots were banished to the Americas during the Colonial period (whereas England transported around 50,000 and Ireland in excess of 10,000), all of whom contributed to the settlement and development of Colonial America.