211 



Diatomic Alcohol*. 



Note. Specimen a was presented by Professor Grace Calvert as a re- 

 markably pure sample. Specimen 6 was prepared by Mr. J. Broughton. 

 See P. J. (3) vol. ii., p. 284. 



4i3. TBINITRO-PHENOL. CjH^NO^O. (Picric Acid, Carlazotic 

 Acid.) 



a. Yellow crystals. 



444. TIIYMTL HYDRATE. C 10 H 13 HO. (Thymylic Alcohol, Thymol, 



Thymylic Acid.) 

 a Very fine crystal. J FrQm ^ ^ of p fc hofcig AjowaD) 



b. Small crystals. r D ^ 



c. Ditto. ) 



Note. Specimen a consists of a single crystal nearly two inches square, 

 and was presented by Messrs. Wright, Layman, and Umney. Specimen 

 b was purchased in a bazaar at Bombay, under the name of ajwain 

 ka-phul, by Mons. G. Chantre ; and specimen c was prepared from the 

 oil of Monarda punctata, L., and was presented under the name of 

 Monarda camphor, by Mr. M. Procter, jun., of Philadelphia. 



CINNYLIC SERIES. C n R& 9 . 



415. CINNYL CINNAMATE. C 9 H 9 (C 9 H ? 2 ). (Styrocine.) 

 a. Small silky crystals. 



Note. This is the substance which forms a kind of efflorescence on 

 the surface of Styrax Galamita. 



446. CHOLESTEBINE. C 26 H^ H 0. 



a. Small shining crystalline plates. 



DIATOMIC ALCOHOLS AND ETHERS. 



ETHENE SERIES. C n H to . 



4i7. METHEXE CHLORIDE. C 2 HC1 2 . (Bichloride of Methylene.) 

 a. Colourless volatile heavy liquid. 



448. ETHENE CHLORIDE. C a H 4 Cl 2 . (Dutch Liquid, Dichloride 



of Ethylene.) 

 a. Volatile colourless liquid. 



449. ETHERINE. 



o. White slender prismatic crystals. 



ORCIN SERIES. C n H^ - 8 . 



450. BESORCIN. C 6 H 4 (H 0) 3 . 



a. Yellowish crystalline powder. 



451. SALIOENIN. C 7 H 8 (HO) 2 . (Salicylic Alcohol.) 



a. In crystalline scales, not quite white. 

 Note. Presented by Dr. Attfield. 



