—, North American, N. M. Hentz, xxi, 99.f

— of the United States, list of species described by N. M. Hentz, xlvii, 411.

[Zoology–Spiders.]

Acarus Crossii, xxxii, 374f; xxxv, 125f; xliii, 395; xlix, 227.

Aranea aculeata, notice of, Miss D. L. Dix, xix, 61.f

Agelena, characters of genus, xxi, 103.f

Attus, characters of genus, xxi, 107.f

Clubiona, characters of genus, xxi, 102.

Dolomedes, characters of genus, xxi, 106.f

Dysdera, characters of genus, xxi, 101.f