A third survey company, of sixty-two non-commissioned officers and men, was formed in December, under a royal warrant, dated 20th October, 1825, and was numbered the sixteenth. The establishment of the corps was thus augmented from 938 to 1,000 officers and soldiers. The rates of working pay authorized by the successive warrants were limited to the three ordinary classes of 6_d._, 9_d._, and 1_s._ a-day; but extraordinary powers were granted to Colonel Colby, of awarding increased rates, proportionate to the attainments and exertions of the men, up to 2_s._ a-day. The maximum allowance was rarely bestowed, and then only upon non-commissioned officers, whose undoubted talents and services rendered them deserving of the distinction which the exclusiveness conferred. By the end of the year the effective men on the survey counted 109 of all ranks, who were chiefly dispersed in the field. Several were employed in offices as draftsmen and computers; but at this early period very few were intrusted with any particular responsibility. Civilian assistants, for the most part, were second to the officers, and aided in superintending the management of the districts; but in the field, the sappers took the lead as surveyors, never working as chainmen, or subordinately to the civilians. As the duty was new, their qualifications required tact and practice before a fair return of progress could be realized. In August very few had proved themselves of sufficiently matured acquirements to merit advancement to Colonel Colby’s classes, and five only of the number had graduated as far as 1_s._ 4_d._ a-day. The third survey company proceeded to Ireland in September. In December the total force there numbered 129 of all ranks, and 61 men were under training at Chatham.