Babbage (On the Decline of Science), Quarterly Review.
Herschel. Sir Humphrey Davy. Sir Nicholas Harris. Millengen. (Ancient Coins). See also Lowdon's Natural His. Mag. Nov. 1831. p. 481.
Northern Zool. 2. p. xliv.
Montague's Orn. Dict. new edition, preface.
Athæneum Journal, Jan. 1832. p. 32.