On The Affinities of Leptarctus primus of Leidy, Vol. VI, Article VIII, pp. 229-331Note 2 — On the Affinities of Leptarctus primus of Leidy.Reading editionSee J. A. Allen’s paper, Proc. Phil. Acad., 1876, p. 21.◇Copy noteReturn to On the Affinities of Leptarctus primus of Leidy.