ZVDVX. 103 



Hume (Mr.), notice of his discovery of a new vegeto-alkaline base 



in jalap, xvii. 38S 

 Humite, analysis of, xv. 324 

 Hungaiy, wines of, xviii. 131 

 Hunger, sense of, how produced, ii. 13. vi. 1 

 Hunter (Mr.), new nautical instrument of, vi. 135 

 (Dr.), opinion of, on the non-evolution of heat during 



the coagulation of the blood confirmed, ii. 248 

 -^— — noble design of, how frustrated, vii. 266 

 ' observations of, on the vitality of the blood, xiii. Ill 



Hutchinson (A. Copland, Esq.), letter from, to Sir E. Home, Bart., 

 on a successful case of the high operation for the stone, xx. 44 

 Hyalograph, notice of the instrument so called, xiii. 425 

 HuTTON (Dr.), notice of his remarks on the mean density of the 

 earth, xii. 370 



■ theory of the earth, sketch of, xix. 74 

 Hydrate of silica and alumina, a new mineral, v. 376 



■ of chlorine, experiments on, xv. 71 

 Hydraulic lime, analysis of, xii. 414 



Hydriodic acid, a test for platinum in solution, xvi. 156 



Hydriodide of carbon, xiii. 429 



' • new mode of obtaining, xv. 297 



Hydrocyanic acid, process by Scheele for the preparation of, x. 

 401; Vauquelin, ib. ', and Majendie, 402; and the Apotheca- 

 ries' Company, ib. ; by Pessina, xv. 380 



. _«- salivation and ulceration of the gums produced by, 



xii. 428 



' the oxalate and formiate of ammonia converted into, 



xviii. 397. How detected in the bodies of animals poisoned 

 by, 398 



Hydrogen (carburetted), decomposition of, vi. 359 



compounds of, with carbon, xii. 133. xix. 273 



and chlorine, explosion of, xii. 413 



• (sulphuretted), combination of with potassium and sul- 

 phur, xiv. 213 



