John K. Mahon and Romana Danysh, CMH 60-3: Infantry, Part I: Regular Army…
“ In consequence, the establishment swelled precipitately, and the strength of units with it. By 1799 a total of forty infantry regiments was authorized, although none but the 1st through the 4th ever attained the required strength. Only 3,400 men were raised for the 5th through the 16th, and none at all for any others. Fortunately, the war with France never took shape; by 1800 the crisis was over and the immediate need for more infantry gone. ”
