William Raimond Baird,
Baird's Manual of American College Fraternities…
(1879)
“ The badge is a gold shield, on which is an enclosed shield-shaped space, displaying a sextant; above the sextant are the letters “S. D. P.” and, below, “S” and “D” on either side of a clinched hand. Above the shield is a scro11, upon which is the date “1858,” and, below, a similar scroll bears the name “Dartmouth.” ”
