[1.] A good example of alliteration.
[2.] Cf. Shakes. K. John, iv. 2: "and vast confusion waits."
[4.] Gray quotes K. John, v. 1: "Mocking the air with colours idly spread."
[5.] "The hauberk was a texture of steel ringlets, or rings interwoven, forming a coat of mail that sat close to the body, and adapted itself to every motion" (Gray).
Cf. Robert of Gloucester: "With helm and hauberk;" and Dryden, Pal. and Arc. iii. 603: "Hauberks and helms are hewed with many a wound."
[7.] Nightly. Nocturnal, as often in poetry. Cf. Il Pens. 84, etc.
[9.] The crested pride. Gray quotes Dryden, Indian Queen: "The crested adder's pride."