Part 39 (1/2)

Roth, _First Book_, p. 4.

Boulger, pp. 70-75.

Spaulding, _For. Bull._, No. 22.

Ward, Chaps. V, VI, VII.

Sickles, pp. 41-45.

von Schrenck, _For. Bull._, No. 41, Pl. III.

Sherfesee. _For. Circ._ No. 139.

von Schrenck, _Bur. Plant Ind. Bull._ No. 36.

von Schrenck, _Bur. Plant Ind. Bull._ No. 32.

von Schrenck, _Agric. Yr. Bk._, 1900, p. 199.

(3) Animal.

Grazing.

Pinchot, _Primer I_, pp. 69-73, II, p. 73.

Pinchot, _Agric. Yr. Bk._, 1898, p. 187 Coville, _For. Bull._ No. 15, pp. 28-31.

Roth, _First Bk._, p. 130, 178.

Insects.

Comstock, pa.s.sim.

Hopkins, _Agric. Yr. Bk._, 1902, pp. 265-282.

Roth, _First Book_, pp. 115-130.

Howard, _Entom. Bull._, No. 11, n. s.

Hopkins, Spaulding, _Entom. Bull._, No. 28.

Hopkins, _Entom. Bull._, No. 48.

Hopkins, _Agric. Yr. Bk._, 1903, pp. 313-329.

Hopkins, _Agric. Yr. Bk._, 1904, pp. 382-389, Figs. 43-56.

Pinchot, _Primer_, I, p. 73.

Felt, N. Y. _State Museum Bull._, 103, Ent. 25.

Hopkins, _Entom. Bull._ No. 32.

Hopkins, _Entom. Bull._ No. 56.

Hopkins, _Entom. Bull._ No. 58.

Spaulding and Chittenden, _For. Bull._ No. 22, pp. 55-61.

[Footnote A: For general bibliography, see p. 4.]

CHAPTER VII.