[2231] Geschichte der Chemie, ii. (1844) 51.
[2232] Published by the Hakluyt Society, Lond. 1866. 191.
[2233] Nearly the same name is still used in the Tamil, Telugu, Malayalim and Canarese languages.
[2234] Mat. Med. and Nat. Hist. of China, 1871. 100.
[2235] French writers, as Moquin-Tandon, distinguish the thick-walled galls of Cynips from the thin, capsular galls formed by Aphis, terming the former galles and the latter coques (shells).
[2236] There are many other varieties of oak gall, for descriptions of some of which, see Guibourt, Hist. des Drogues, ii. (1869) 292; and for information on the various gall-insects of the family Cynipsidæ and the excrescences they produce, consult a paper by Abl in Wittstein’s Vierteljahresschrift für prakt. Pharm. vi. (1857) 343-361.
[2237] Couche protectrice of Lacaze-Duthiers—Recherches pour servir à l’histoire des galles.—Ann. des Sciences Nat., Bot. xix. (1853) 273-354.
[2238] Consul Skene—Reports of H. M. Consuls, No. 1. 1872. 270.
[2239] For a figure, see Pharm. Journ. iii. (1844) 387. For the structure see Marchand, in the paper quoted at page 166, note 4, plate iii.
[2240] Analysis by Martius may be found in Liebig’s Ann. d. Pharm. xxi. (1837) 179.