74 C O M M E N T A T I O 



vulgari; hujus vero 1,25, eandem tantum aquae 

 proportionem. In aqua vero ebulliente illius solve- 

 rentur 9,68, hujus vero n ,47 (i). Optime hae 

 diversitates explicari videntur,extheoriaW6hleri 

 statuentis , acidum Arsenicosum esse corpus dimor- 

 phum , cujus forma prima (acidum perlucidum) 

 efficit octaedrum vel tetraedrum; altera vero (aci- 

 dum opacunO prisma hexagonale; quorum duorum 

 eadem tamen esset reactio chemica (2). 



Deinde acidum nostrum occurrit forma pulveris, 

 a varietate opaca chemica ratione hand diversi. 

 Materiem exhibet farinae aut saccharo similem , 

 imprimis si ejus solutio aquosa lente fuerit evapo- 

 rata. 



Discrepant auctores quoad saporem. Doct. Ad- 

 dington illius saporem esse nullum statuit , 

 idemque de ejus solutione adducit Link (3). 

 Christison ilium in initio fere esse nullum, 

 deinceps autem leviter dulcem animadvertit, Hah- 

 nemann saporem indicat dulcem (4). Four- 



croy 



(t) Journ. de Chem. medic. , Tom. II. p. 67. Cf. The-, 

 nard , I. c. p. 3oo. Berzelius, 1. c. p. 43o. 



(a) Ann. de Chimie et de Phys. , i83a. Tom. LI. p. 

 201* sqq. 



(3) Encydopad. fForterb. d. med. Wissensch* , B. III. 

 373. Cf. Richter, Ausfiihrl. Arzneimittellefire , i83o. 

 Bd. V. p. 687. 



(4) 1. c. p. 34. Referente Christisoii, 1. c. p. a4,3. 



